{"title":"Seal Masonry Joints \u0026 Penetrations","description":"\u003cp\u003eSeal movement joints, connection joints, penetrations and construction gaps in masonry and concrete. Select the sealant, backing material and primer from the Product evidence and joint design.\u003c\/p\u003e","products":[{"product_id":"bostik-seal-n-flex-fc","title":"Bostik Seal 'N' Flex One P390 Polyurethane Sealant 600ml","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor expansion joints in precast panels, tilt-up concrete, brickwork, and fibre cement sheet cladding, Seal 'N' Flex One P390 Polyurethane Sealant 600ml provides a highly flexible, low-modulus barrier that accommodates joint movement without pulling away from the substrate. It is acoustic rated and meets the requirements of AS4020 for potable water contact.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eSeal 'N' Flex One P390 is a one-component, moisture-curing polyurethane paste that cures to form a tough, flexible seal. Because it is a low-modulus sealant (Shore A hardness of 30), it exerts minimal stress on the bond line when the joint expands or contracts. This properties profile enables the sealant to handle cyclic expansion and compression movement up to ±50% of the original installed joint width. It does not sag during application and cures at a rate of 2mm per 24 hours on porous substrates, making it suitable for vertical expansion joints in external facades.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e±50% joint movement:\u003c\/strong\u003e Absorbs significant thermal expansion and contraction across precast panels, brickwork, and window frames without adhesive failure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026gt; 900% elongation at break:\u003c\/strong\u003e High elasticity to stretch across widening joints under extreme thermal cycles before structural failure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e6 to 12 hours tack-free time:\u003c\/strong\u003e Provides a working window to tool the joint while resisting early dust pick-up on site.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e7 to 14 days full cure:\u003c\/strong\u003e Reaches full cure in 7 days on porous substrates, extending to 14 days for deep joints over 20mm wide.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e6mm to 50mm joint limits:\u003c\/strong\u003e Accommodates joint depths from a minimum of 6mm up to a maximum width of 50mm, using a depth-to-width ratio of 1:1 for joints up to 12mm and 1:2 for joints between 12mm and 50mm.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eThis sealant adheres to a wide range of common construction materials. It is suitable for:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInsitu concrete, render, precast, and tilt-up panels\u003c\/li\u003e\n \u003cli\u003eBrickwork, blockwork, and fibre cement sheet\u003c\/li\u003e\n \u003cli\u003ePlasterboard face and paper-lined recessed edges\u003c\/li\u003e\n \u003cli\u003eAluminium windows, GRC, fibreglass, and specialty panel systems\u003c\/li\u003e\n \u003cli\u003eu-PVC outlets, brass, copper fittings, and stainless steel trays\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSystem priming and preparation\u003c\/h3\u003e\n \u003cp\u003eWhile Seal 'N' Flex One P390 adheres to standard dry concrete, mortar, and bare Aluminium without a primer, specific applications require targeted preparation to prevent bond failure:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e For optimum performance in all periodically immersed, submerged, or high-stress applications, prime porous joint faces with \u003ca href=\"\/products\/n49-primer\"\u003eBostik N49 Primer\u003c\/a\u003e.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNon-porous substrates:\u003c\/strong\u003e For plastics and metals (including u-PVC, brass, copper, and stainless steel), prime with \u003ca href=\"\/products\/n40-primer\"\u003eBostik N40 Primer\u003c\/a\u003e using the two-cloth method before applying the sealant.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eJoint backing:\u003c\/strong\u003e Always install a backing rod before priming to control sealant depth and ensure a three-sided bond is avoided. Tool the sealant to a concave profile to distribute stress evenly.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not use in chlorinated water such as swimming pools or spas, or in constantly immersed salt water.\u003c\/li\u003e\n \u003cli\u003eDo not apply to cement-based substrates within 28 days of the initial pour or set.\u003c\/li\u003e\n \u003cli\u003eDo not use on any materials containing bitumen, or for glazing applications.\u003c\/li\u003e\n \u003cli\u003eNot recommended for trafficable joints.\u003c\/li\u003e\n \u003cli\u003eDo not apply in temperatures below 5°C or above 35°C.\u003c\/li\u003e\n \u003cli\u003eAvoid exposure to water or alcohol before the sealant has completely cured.\u003c\/li\u003e\n \u003cli\u003eDo not finish the joint using wet tooling techniques that involve solvents, water, or detergent\/soap solutions.\u003c\/li\u003e\n \u003cli\u003eDo not apply to joints less than 5mm wide and 6mm deep, or larger than 50mm wide.\u003c\/li\u003e\n \u003cli\u003eWhite sealant may yellow on the surface under prolonged exposure to strong natural or artificial UV light.\u003c\/li\u003e\n \u003cli\u003eFor composite metallic façade systems subject to rapid daily thermal movement, early joint movement before full cure may cause permanent crimping or bulging. Bostik V70 Silicone is recommended for these high-movement metal façades.\u003c\/li\u003e\n \u003cli\u003eIf painting, wait a minimum of 7 days. Solvent-based coatings (such as enamels) may react with the sealant to create a tacky surface, and paint films may crack or craze during joint movement. Always conduct a field test first.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bostik","offers":[{"title":"Box Buy (20) \/ Black","offer_id":39423167922368,"sku":"SNFFCBL\/SSG\/BOX","price":322.6,"currency_code":"AUD","in_stock":true},{"title":"Box Buy (20) \/ Grey","offer_id":48530724552896,"sku":"SNFFCGR\/SSG\/BOX","price":408.6,"currency_code":"AUD","in_stock":true},{"title":"Box Buy (20) \/ White","offer_id":48530724618432,"sku":"SNFFCWH\/SSG\/BOX","price":408.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/bostik-seal-n-flex-p390-sealant-expansion-joint-adheseal.png?v=1763706280"},{"product_id":"sikaflex-construction-ap","title":"Sikaflex Construction AP+ Polyurethane Sealant","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor movement and connection joints on porous substrates and general indoor or outdoor sealing, Sikaflex Construction AP+ provides a flexible, moisture-curing barrier. This polyurethane sealant manages joint movement on high-exposure facades, concrete structures, and metal connections without sagging or losing its seal.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eSikaflex Construction AP+ cures on exposure to atmospheric moisture to form a tough, elastic joint sealant. The polyurethane chemistry delivers non-sag performance on vertical and soffit joints up to 30 mm wide, preventing the wet sealant from slumping out of overhead or wall joints before it cures. It cures at approximately 3 mm per 24 hours, giving installers a long 160-minute tooling window to neat-finish the joint. The neutral, non-corrosive formulation will not degrade metal substrates like aluminium, stainless steel, or galvanised steel. Once fully cured, the sealant can be painted over with most conventional facade coating systems, though non-flexible paints may crack if the joint moves.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e±25% movement capability (ASTM C 719 \/ ISO 9047):\u003c\/strong\u003e Absorbs the expansion and contraction of concrete panels, masonry joints, and metal connection joints without adhesive or cohesive failure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e700% tensile strain at break (ISO 37):\u003c\/strong\u003e High elasticity that allows the cured joint to stretch far beyond its normal design limits under extreme thermal or structural stress.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e160-minute tooling time:\u003c\/strong\u003e Generous working window to dry-tool a textured, concrete-like surface or wet-tool a smooth profile before the sealant skins.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e−40 °C to +70 °C service temperature:\u003c\/strong\u003e Maintains elastomeric properties and joint adhesion through extreme sub-zero winter temperatures and high summer sun exposure on metal facades.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2:1 joint width-to-depth ratio:\u003c\/strong\u003e Must be maintained for joints between 10 mm and 40 mm wide to ensure the cured polyurethane distributes stress correctly across the joint depth.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eSikaflex Construction AP+ adheres to both porous and non-porous building substrates, including:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eConcrete, aerated concrete, bricks, mortars, and cement-based renders.\u003c\/li\u003e\n \u003cli\u003eAluminium, anodised aluminium, stainless steel, galvanised steel, copper, brass, and titanium-zinc.\u003c\/li\u003e\n \u003cli\u003eGlazed tiles and powder-coated metals.\u003c\/li\u003e\n \u003cli\u003ePVC.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not use on natural stone, as staining may occur.\u003c\/li\u003e\n \u003cli\u003eDo not use on bituminous substrates, natural rubber, EPDM rubber, or building materials that bleed oils, plasticisers, or solvents.\u003c\/li\u003e\n \u003cli\u003eDo not use to seal joints in and around swimming pools.\u003c\/li\u003e\n \u003cli\u003eDo not use for joints under water pressure or for permanent water immersion.\u003c\/li\u003e\n \u003cli\u003eDo not expose uncured sealant to alcohol-containing products, as they interfere with the cure reaction.\u003c\/li\u003e\n \u003cli\u003eWhite colour variants may experience aesthetic yellowing under prolonged UV or chemical exposure; this change does not affect the technical performance or durability of the sealant.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSubstrate preparation and priming\u003c\/h3\u003e\n \u003cp\u003eAll substrates must be clean, dry, sound, and free from oils, grease, dust, and loose particles. While the sealant adheres without primers for standard applications, critical or highly stressed joints require the following pre-treatments:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eAluminium, anodised aluminium, stainless steel, galvanised steel, powder-coated metals, or glazed tiles:\u003c\/strong\u003e Clean and pre-treat with Sika Aktivator-205 using a clean towel. Allow a flash-off time of 15 minutes to 6 hours before sealing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCopper, brass, and titanium-zinc:\u003c\/strong\u003e Clean and pre-treat with Sika Aktivator-205, allow flash-off, then apply Sika Primer-3 N with a brush. Allow a further 30 minutes to 8 hours flash-off.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePVC:\u003c\/strong\u003e Clean and prime with Sika Primer-215 applied with a brush. Allow 30 minutes to 8 hours flash-off before sealing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete, aerated concrete, cement-based renders, mortars, and bricks:\u003c\/strong\u003e Prime with Sika Primer-3 N applied with a brush. Allow 30 minutes to 8 hours flash-off before sealing.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Sika","offers":[{"title":"Concrete Grey","offer_id":37551464743104,"sku":"SIKACONGR\/SSG\/BOX","price":311.8,"currency_code":"AUD","in_stock":true},{"title":"Black","offer_id":46941762355392,"sku":"SIKACONBL\/SSG\/BOX","price":311.8,"currency_code":"AUD","in_stock":true},{"title":"White","offer_id":46941762388160,"sku":"SIKACONWH\/SSG\/BOX","price":311.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/sikaflex-construction-ap-sealant-movement-joints-adheseal.jpg?v=1763706280"},{"product_id":"sika-pro-600ml-sausages","title":"Sikaflex Pro Polyurethane Sealant 600ml Sausages","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor movement and connection joints in concrete and masonry facades, Sikaflex PRO is a one-component, moisture-curing polyurethane sealant. It provides a reliable seal for expansion joints on porous substrates and is suitable for both indoor and outdoor general sealing applications, including potable water systems with AS\/NZS 4020:2018 potable-water approval.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eSikaflex PRO cures upon exposure to atmospheric moisture to form an elastic joint sealant with a movement capability of ±25%. This elasticity allows the cured joint to absorb thermal expansion and structural contraction without losing adhesion to the joint faces. It possesses high tear propagation resistance, preventing minor surface punctures from splitting under tension, and maintains a stable seal across a service temperature range of −40 °C to +70 °C.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e±25% movement capability (ISO 9047 \/ ASTM C 719):\u003c\/strong\u003e Absorbs significant joint expansion and contraction on concrete panels and masonry facades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e750% tensile strain at break (ISO 37):\u003c\/strong\u003e High elongation capability that prevents the sealant from tearing under extreme joint opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150-minute tooling window:\u003c\/strong\u003e Ample working time to tool the joint face and achieve a neat finish before the sealant begins to skin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 mm per 24 hours cure rate:\u003c\/strong\u003e Standard deep-cure rate at 23 °C and 50% relative humidity, allowing joint design planning for service exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 mm to 40 mm joint width limits:\u003c\/strong\u003e The required design boundary, maintaining a strict 2:1 width-to-depth ratio for standard facade joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cp\u003eSikaflex PRO adheres without primers to many common building materials. However, for optimum adhesion in critical or highly stressed joint applications, specific pre-treatments apply:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e Concrete, aerated concrete, cement-based renders, mortars, and bricks. Prime with Sika Primer-3 N and allow 30 minutes to 8 hours flash-off time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-porous metals and glazing:\u003c\/strong\u003e Aluminium, anodised aluminium, stainless steel, galvanised steel, powder-coated metals, and glazed tiles. Clean and pre-treat with Sika Aktivator-205, allowing 15 minutes to 6 hours flash-off time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther metals:\u003c\/strong\u003e Copper, brass, and titanium-zinc. Pre-treat with Sika Aktivator-205, then apply Sika Primer-3 N. Allow 30 minutes to 8 hours flash-off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC:\u003c\/strong\u003e Clean and pre-treat using Sika Primer-215, allowing 30 minutes to 8 hours flash-off.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural stone:\u003c\/strong\u003e Do not use Sikaflex PRO on natural stone, as staining or migration may occur.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBituminous and rubber substrates:\u003c\/strong\u003e Do not use on bituminous substrates, natural rubber, EPDM rubber, or building materials that bleed oils, plasticisers, or solvents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater exposure:\u003c\/strong\u003e Do not use in and around swimming pools, for joints under water pressure, or for permanent water immersion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePainting:\u003c\/strong\u003e Non-flexible paint systems may impair sealant elasticity and lead to cracking of the paint film. Test paint compatibility before full application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour variations:\u003c\/strong\u003e White and light colours may yellow over time when exposed to UV radiation, chemicals, or high temperatures. This change is purely aesthetic and does not affect technical performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCure interference:\u003c\/strong\u003e Do not expose uncured sealant to alcohol-containing products, as they will disrupt the curing reaction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication and joint design\u003c\/h3\u003e\n\u003cp\u003eBefore application, insert a closed-cell, polyethylene foam backing rod to regulate the joint depth. Extrude the sealant into the joint, ensuring full contact with the joint faces to prevent air entrapment. Tool the sealant firmly against the joint sides. If dry-tooled, the sealant cures to a slightly structured, concrete-like finish; wet-tooling with Sika Tooling Agent N produces a smooth surface. Clean uncured tools and equipment immediately with Sika Remover-208; cured material can only be removed mechanically.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sika","offers":[{"title":"Black \/ Single Buy","offer_id":37551464808640,"sku":"SIKAPROBL\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"Black \/ Box Buy (20)","offer_id":39337015017664,"sku":"SIKAPROBL\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Dark Grey \/ Single Buy","offer_id":37551464939712,"sku":"SIKAPRODKGR\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"Dark Grey \/ Box Buy (20)","offer_id":39337021046976,"sku":"SIKAPRODKGR\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Concrete Grey \/ Single Buy","offer_id":37551465005248,"sku":"SIKAPROGR\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"Concrete Grey \/ Box Buy (20)","offer_id":39337051390144,"sku":"SIKAPROGR\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Japan Beige \/ Single Buy","offer_id":37551465103552,"sku":"SIKAPROJBE\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"Japan Beige \/ Box Buy (20)","offer_id":39337055781056,"sku":"SIKAPROJBE\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Off-White \/ Single Buy","offer_id":37551465136320,"sku":"SIKAPROOFWH\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"Off-White \/ Box Buy (20)","offer_id":39337059975360,"sku":"SIKAPROOFWH\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Pale Brown \/ Single Buy","offer_id":45723532886208,"sku":"SIKAPROPALEBR\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"Pale Brown \/ Box Buy (20)","offer_id":37551465201856,"sku":"SIKAPROPALEBR\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Redwood \/ Box Buy (20)","offer_id":37551465332928,"sku":"SIKAPRORED\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Sandstone \/ Single Buy","offer_id":43114865623232,"sku":"SIKAPROSAN\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"Sandstone \/ Box Buy (20)","offer_id":37551465398464,"sku":"SIKAPROSAN\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"White \/ Single Buy","offer_id":37551465464000,"sku":"SIKAPROWH\/SSG","price":16.48,"currency_code":"AUD","in_stock":true},{"title":"White \/ Box Buy (20)","offer_id":39337073836224,"sku":"SIKAPROWH\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Dark Amber \/ Box Buy (20)","offer_id":39337017475264,"sku":"SIKAPRODKAM\/SSG\/BOX","price":296.6,"currency_code":"AUD","in_stock":true},{"title":"Redwood \/ Single Buy","offer_id":46209297416384,"sku":"SIKAPRORED\/SSG","price":16.48,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/sikaflex-pro-polyurethane-sealant-facade-adheseal.png?v=1763706281"},{"product_id":"sikaflex-11-fcplus","title":"Sikaflex 11 FC + Polyurethane Adhesive and Sealant","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor horizontal and vertical joints that experience physical movement, or assembly jobs requiring a direct bond between concrete, masonry, stone, ceramic, wood, metal, or glass, Sikaflex 11 FC + Polyurethane Adhesive and Sealant provides a single-component, elastic polyurethane barrier and adhesive. Formulated with i-Cure technology, it cures on exposure to atmospheric moisture to form an elastic joint sealant and high-strength adhesive suitable for internal and external building work.\u003c\/p\u003e\n\n \u003ch3\u003eDual-action elastic bonding and sealing\u003c\/h3\u003e\n \u003cp\u003eThe product functions simultaneously as a flexible adhesive and a non-sag joint sealant. The polyurethane chemistry delivers an elastic recovery of approximately 80%, allowing bonded components and sealed joints to absorb joint movement, vibrations, and thermal expansion without cohesive or adhesive failure. It seals joints from 10 mm to 35 mm wide, maintaining a 2:1 width-to-depth ratio for facade joints. The cured sealant resists weathering and mechanical stress, can be sanded smooth once cured, and is pick-resistant for improved security in exposed areas.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e±35% movement capability (ASTM C 719):\u003c\/strong\u003e Absorbs significant thermal expansion and contraction across joints in concrete, masonry, and metal facades without tearing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e~3.5 mm per 24 hours cure rate (at +23°C \/ 50% R.H.):\u003c\/strong\u003e Controls the depth of cure over time; final bonding strength is reached within 24 to 48 hours depending on adhesive thickness and climate.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e~70 minutes skinning time (at +23°C \/ 50% R.H.):\u003c\/strong\u003e Establishes a practical working window to tool joint edges or realign bonded elements before the surface skins.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e~1.5 N\/mm² tensile strength (ISO 37) \u0026amp; ~700% elongation at break:\u003c\/strong\u003e High structural elasticity to hold heavy components under load while stretching without rupturing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026lt;1 g\/L VOC content:\u003c\/strong\u003e Very low emissions meeting Green Star Design \u0026amp; As Built V1.3-13.1.1B and Green Star Interiors V1.3-12.1.1B requirements.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eSikaflex 11 FC + bonds and seals common building materials, including:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete and masonry:\u003c\/strong\u003e Sealing connection joints, perimeter joints around windows, and crack-control joints.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReconstituted, cast, or natural stone:\u003c\/strong\u003e Bonding panels and decorative elements (contact Sika Technical Services before application).\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCeramics, glass, and wood:\u003c\/strong\u003e Internal and external fit-outs, cabinetry, and cladding joints.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMetals:\u003c\/strong\u003e Anodised aluminium, stainless steel, galvanised steel, copper, brass, and bronze.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSubstrate exclusions:\u003c\/strong\u003e Do not use on bituminous substrates, natural rubber, EPDM rubber, or materials that leach oils, plasticisers, or solvents. Do not use on PE, PP, PTFE (Teflon), or certain plasticised plastics.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eImmersion and wet areas:\u003c\/strong\u003e Do not use to seal joints in and around swimming pools, joints under water pressure, or areas of permanent water immersion. Do not use for sanitary joints.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGlazing limits:\u003c\/strong\u003e Do not use to seal glass windows or for bonding glass if the bond line is exposed to sunlight.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStructural and floor joints:\u003c\/strong\u003e Do not use for structural bonding or for trafficked floor joints.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eApplication limits:\u003c\/strong\u003e Full surface applications are not recommended as the inner layer of the adhesive may not cure. Always use mechanical fixings alongside the adhesive for overhead applications or exceptionally heavy components.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePainting and UV:\u003c\/strong\u003e Non-flexible paint systems can restrict sealant elasticity and cause the paint film to crack. Colour variations may occur under UV radiation or chemical exposure (especially white), which is aesthetic and does not affect durability.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eChemical interference:\u003c\/strong\u003e Do not expose uncured sealant to alcohol-containing products, as they interfere with the cure reaction.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003eFor standard applications, the substrate must be clean, dry, sound, and mechanically prepared to remove weak material, cement laitance, and old coatings.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003ePriming and Pre-treatment:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete, bricks, and cement renders:\u003c\/strong\u003e Prime with Sika Primer-3 N. Avoid excessive application to prevent puddling in the joint.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAluminium, stainless steel, galvanised steel, and glazed tiles:\u003c\/strong\u003e Lightly abrade with a fine pad, clean, and pretreat with Sika Aktivator-205 using a clean cloth.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCopper, brass, bronze, and titanium-zinc:\u003c\/strong\u003e Lightly abrade, clean, pretreat with Sika Aktivator-205, allow to dry, then brush-apply Sika Primer-3 N.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePVC:\u003c\/strong\u003e Clean and prime using Sika Primer-215.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cstrong\u003eBonding:\u003c\/strong\u003e Apply the adhesive in triangular beads, strips, or spots spaced a few centimetres apart. Position and press the component by hand before skinning occurs. Temporary tape, wedges, or supports can be used to hold heavy assemblies during initial cure.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eSealing:\u003c\/strong\u003e Insert a closed-cell, polyethylene foam backing rod to control joint depth. Extrude the sealant firmly into the joint to ensure complete contact with the joint walls. Tool the sealant immediately using a compatible solvent-free tooling agent (such as Sika Tooling Agent N) to flush the joint and ensure wet-edge wet-out.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eCleanup:\u003c\/strong\u003e Clean uncured residue from tools and application equipment immediately using Sika Remover-208. Clean skin with Sika Cleaner-350H. Cured adhesive can only be removed mechanically.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sika","offers":[{"title":"Black \/ 600ml Sausage \/ Box Buy (20)","offer_id":39423167791296,"sku":"SIKA11FCBL\/SSG\/BOX","price":558.6,"currency_code":"AUD","in_stock":true},{"title":"Black \/ 310ml Cartridge \/ Box Buy (12)","offer_id":39423167627456,"sku":"SIKA11FCBL\/CTG\/BOX","price":277.8,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ 600ml Sausage \/ Box Buy (20)","offer_id":39423167660224,"sku":"SIKA11FCGR\/SSG\/BOX","price":558.6,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ 310ml Cartridge \/ Box Buy (12)","offer_id":45847238148288,"sku":"SIKA11FCGR\/CTG\/BOX","price":277.8,"currency_code":"AUD","in_stock":true},{"title":"White \/ 600ml Sausage \/ Box Buy (20)","offer_id":39423167758528,"sku":"SIKA11FCWH\/SSG\/BOX","price":558.6,"currency_code":"AUD","in_stock":true},{"title":"White \/ 310ml Cartridge \/ Box Buy (12)","offer_id":39423167725760,"sku":"SIKA11FCWH\/CTG\/BOX","price":277.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/sikaflex-11fc-fast-cure-sealant-adheseal.png?v=1763706281"},{"product_id":"fireban-one","title":"Bostik Fireban One Polyurethane Sealant","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor joints in insitu concrete, precast panels, blockwork, plasterboard, and fiber cement sheet requiring fire or acoustic certification, Bostik Fireban One Polyurethane Sealant provides up to a 4-hour fire rating under AS 1530.4-2014 and AS 4072.1-2005. This Australian-made, one-part intumescent sealant cures to form a tough, flexible barrier that accommodates continuous cyclic expansion and contraction in joints up to 50mm wide.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eFireban One Polyurethane Sealant is a low-modulus, thixotropic moisture-curing polyurethane. When exposed to fire, the intumescent formulation helps block the passage of flame and hot gases through construction joints. Its low-modulus characteristic limits stress on the bond line, allowing the cured sealant to absorb thermal expansion, wind loads, and structural settling. The non-sag paste consistency makes it suitable for vertical expansion joints in brickwork, masonry walls, and overhead panel connections. It does not support fungal growth under AS1157-1972 and remains stable under weather, rain, and UV exposure.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e±25% joint movement:\u003c\/strong\u003e Absorbs cyclic contraction and expansion across precast tilt-up panels and concrete slab joints without adhesive or cohesive failure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e4-hour fire rating:\u003c\/strong\u003e Tested to AS 1530.4-2014 and AS 4072.1-2005 for fire-rated wall, floor, and linear joint systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026gt;900% elongation at break:\u003c\/strong\u003e High elasticity prevents the cured sealant bead from tearing during extreme structural shifting or joint widening.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2mm per 24 hours cure rate:\u003c\/strong\u003e Standard curing window on porous substrates, achieving tack-free status in 6 to 12 hours and full cure in 7 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.5 to 6.0 lineal metres coverage:\u003c\/strong\u003e Yield per 600ml sausage ranges from 6.0 metres for a 10mm x 10mm joint down to 0.5 metres for a 25mm x 50mm joint.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eFireban One Polyurethane Sealant bonds to both porous and non-porous substrates, including:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInsitu concrete floors and walls, precast and tilt-up panels\u003c\/li\u003e\n \u003cli\u003eBrickwork, blockwork, and rendered masonry\u003c\/li\u003e\n \u003cli\u003eFire-rated and acoustic-rated plasterboard and fiber cement sheet\u003c\/li\u003e\n \u003cli\u003eUPVC penetrations, brass, copper, and stainless steel fittings and trays\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply to cement-based substrates within 28 days of the initial concrete pour or pour set.\u003c\/li\u003e\n \u003cli\u003eDo not use in chlorinated water, such as swimming pools, spas, or in constant salt water immersion.\u003c\/li\u003e\n \u003cli\u003eDo not use on any materials containing bitumen.\u003c\/li\u003e\n \u003cli\u003eDo not use for glazing applications.\u003c\/li\u003e\n \u003cli\u003eDo not use in trafficable joints wider than 10mm.\u003c\/li\u003e\n \u003cli\u003eDo not apply at temperatures below 5°C or above 35°C.\u003c\/li\u003e\n \u003cli\u003eDo not expose the sealant to water or alcohol before it has cured.\u003c\/li\u003e\n \u003cli\u003eDo not use wet tooling techniques, such as soapy water, during installation.\u003c\/li\u003e\n \u003cli\u003eDo not apply in joints less than 6mm in width and depth.\u003c\/li\u003e\n \u003cli\u003eIf painting, wait a minimum of 7 days. Coatings containing solvents (such as enamels or oil-based paints) may cause the sealant surface to become tacky, discolour, or crack under cyclic movement.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003ePreparation and priming\u003c\/h3\u003e\n \u003cp\u003eClean and dry all surfaces to remove laitance, oil, dust, grease, curing agents, water, or old sealants. Vacuum loose dust from joints. Priming is recommended to achieve the stated performance properties. Do not use \u003ca href=\"\/products\/methylated-spirits\"\u003emethylated spirits\u003c\/a\u003e or turps to clean joints or prep surfaces.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e Concrete or masonry structures not subject to water ponding or immersion do not require priming if they are clean and dry. For maximum performance or periodically immersed applications, use \u003ca href=\"\/products\/n49-primer\"\u003eBostik N49 Primer\u003c\/a\u003e.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNon-porous substrates:\u003c\/strong\u003e Prime plastics and metallic substrates (including UPVC, brass, copper, and stainless steel) with \u003ca href=\"\/products\/n40-primer\"\u003eBostik N40 Primer\u003c\/a\u003e using the two-cloth method. Use Bostik Ultraseal for non-porous or burnished concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eJoint Geometry:\u003c\/strong\u003e Install backing rod after priming to control sealant depth. Maintain a depth-to-width ratio of 1:1 for 10mm joints, and 1:2 for joints between 10mm and 50mm. Tool the sealant with a dry spatula to achieve a concave surface profile.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bostik","offers":[{"title":"Single Buy","offer_id":39253466382528,"sku":"FIREBAN\/SSG","price":16.73,"currency_code":"AUD","in_stock":true},{"title":"Box Buy (20)","offer_id":46349641842880,"sku":"FIREBAN\/SSG\/BOX","price":301.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/fireban-one-4hr-intumescent-joint-sealant-adheseal.png?v=1763709484"},{"product_id":"sikaflex-pro-cartridges","title":"Sikaflex Pro Polyurethane Sealant 300ml Cartridges","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor movement and connection joints on concrete and masonry facades, Sikaflex Pro Polyurethane Sealant 300ml Cartridges provides a highly elastic, moisture-curing seal that accommodates joint shifting without losing adhesion. This one-part polyurethane sealant is formulated for connection joints on porous substrates and general sealing in both indoor and outdoor applications.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eSikaflex Pro cures by reacting with atmospheric moisture to form an elastic joint sealant with a movement capability of ±25%. This high flexibility allows the cured joint to absorb thermal expansion and contraction across a wide service temperature range of −40 °C to +70 °C. It is rated as Class 25 under ASTM C 920 and ISO 11600 F 25 LM, confirming its performance in demanding facade connection joints. The sealant also carries AS\/NZS 4020:2018 approval for contact with potable water.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e±25% movement capability:\u003c\/strong\u003e Absorbs high-exposure expansion and contraction in facade connection joints under ISO 9047 and ASTM C 719 testing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e750% tensile strain at break:\u003c\/strong\u003e High ultimate elongation under ISO 37 to prevent tearing under extreme joint separation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e90% elastic recovery:\u003c\/strong\u003e Cured polyurethane returns almost entirely to its original dimension under ISO 7389, maintaining joint integrity after repeated cycles.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e150-minute tooling window:\u003c\/strong\u003e Generous work time at 23 °C and 50% relative humidity to profile, smooth, or dry-tool the joints.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e3 mm per 24 hours cure rate:\u003c\/strong\u003e Predictable deep-cure speed at standard conditions to transition from wet application to a resilient, elastic seal.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eSikaflex Pro is suitable for movement and connection joints across a variety of building materials, including:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e Concrete, aerated concrete, cement-based renders, mortars, and bricks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMetals:\u003c\/strong\u003e Aluminium, anodised aluminium, stainless steel, galvanised steel, powder-coated metals, copper, brass, and titanium-zinc.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOther substrates:\u003c\/strong\u003e Glazed tiles and PVC.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSubstrate exclusions:\u003c\/strong\u003e Do not use on natural stone, bituminous substrates, natural rubber, EPDM rubber, or building materials that bleed oils, plasticisers, or solvents.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWater limits:\u003c\/strong\u003e Do not use to seal joints in and around swimming pools, under water pressure, or for permanent water immersion.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCure interference:\u003c\/strong\u003e Do not expose uncured sealant to alcohol-containing products, as this interferes with the curing reaction.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePainting:\u003c\/strong\u003e Over-painting with non-flexible paint systems may impair the sealant's elasticity and lead to cracking of the paint film. Test paint compatibility before application.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColour variations:\u003c\/strong\u003e White and other light colours may yellow or change shade under chemical, high-temperature, or UV exposure; this is purely aesthetic and does not affect durability or performance.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSubstrate preparation and priming\u003c\/h3\u003e\n \u003cp\u003eSubstrates must be clean, dry, sound, homogeneous, and free of oils, grease, dust, and loose particles. While the sealant adheres without primers for standard applications, critical or high-exposure joints require the following pre-treatments:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eAluminium, anodised aluminium, stainless steel, galvanised steel, powder-coated metals, or glazed tiles:\u003c\/strong\u003e Clean and pre-treat with Sika Aktivator-205 using a clean towel. Allow a flash-off time of 15 minutes to 6 hours before sealing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCopper, brass, and titanium-zinc:\u003c\/strong\u003e Clean and pre-treat with Sika Aktivator-205. After flash-off, apply Sika Primer-3 N with a brush, allowing 30 minutes to 8 hours of flash-off time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePVC:\u003c\/strong\u003e Clean and pre-treat with Sika Primer-215 applied by brush. Allow 30 minutes to 8 hours of flash-off time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete, aerated concrete, and cement-based renders, mortars, and bricks:\u003c\/strong\u003e Prime with Sika Primer-3 N applied by brush. Allow a flash-off time of 30 minutes to 8 hours.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication instructions\u003c\/h3\u003e\n \u003cp\u003eInsert a closed-cell, polyethylene foam backing rod to the required depth. Joint widths must be designed between 10 mm and 40 mm, maintaining a width-to-depth ratio of 2:1. Extrude the sealant into the joint, ensuring full contact with the joint sides to prevent air entrapment. Tool the sealant firmly against the joint sides. For a smooth finish, wet-tool using Sika Tooling Agent N. If dry-tooled, the surface will show a slightly structured, concrete-like finish. Remove any masking tape within the 170-minute skinning time. Clean tools immediately after use with Sika Remover-208; cured material can only be removed mechanically.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sika","offers":[{"title":"Black \/ Box Buy (12)","offer_id":39327780339904,"sku":"SIKAPROBL\/CTG\/BOX","price":338.04,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ Box Buy (12)","offer_id":39327780536512,"sku":"SIKAPROGR\/CTG\/BOX","price":241.8,"currency_code":"AUD","in_stock":true},{"title":"Japan Beige \/ Box Buy (12)","offer_id":39327780569280,"sku":"SIKAPROJBE\/CTG\/BOX","price":304.2,"currency_code":"AUD","in_stock":true},{"title":"Red Brick \/ Box Buy (12)","offer_id":39327780798656,"sku":"SIKAPROBRIC\/CTG\/BOX","price":241.8,"currency_code":"AUD","in_stock":true},{"title":"Sandstone \/ Box Buy (12)","offer_id":39327780929728,"sku":"SIKAPROSAN\/CTG\/BOX","price":304.2,"currency_code":"AUD","in_stock":true},{"title":"White \/ Box Buy (12)","offer_id":39327780995264,"sku":"SIKAPROWH\/CTG\/BOX","price":241.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/sikaflex-pro-polyurethane-sealant-facade-adheseal.jpg?v=1763709590"},{"product_id":"mapepur-universal-foam-m","title":"MapePUR Universal Foam M\/G","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor sealing door and window frames, roller-blind housings, and structural gaps against air leaks and heat loss, MapePUR Universal Foam M\/G provides a rapid-hardening polyurethane barrier. It expands on contact with atmospheric moisture to fill deep cavities, forming a stable closed-cell structure that adheres to common building substrates including brickwork, concrete, gypsum, wood, metal, glass, foam polystyrene, and PVC.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eThe one-component prepolymer mixture reacts with humidity to expand and fill irregular voids. The cured foam functions as both a thermal insulator and an acoustic barrier, offering a soundproofing capacity of 58 dB to reduce transmission through partition walls, service penetrations, and window reveals. It resists water penetration, mould growth, and service temperatures from -40°C to +90°C. Once fully hardened, the yellow foam can be mechanically worked by cutting, sanding, grinding, drilling, or painting, and it can be skimmed directly with cementitious renders.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e58 dB soundproofing capacity:\u003c\/strong\u003e Rated under EN 12354-3 or ISO 717-1 to isolate acoustic flanking paths through structural gaps and frames.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.036 to 0.039 W\/m K thermal conductivity:\u003c\/strong\u003e Low thermal conductivity (DIN 52612) to prevent thermal bridging around door frames, window fittings, and roof penetrations.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e25 to 30 minutes cut window:\u003c\/strong\u003e Minimum waiting time before the hardened foam (at Ø 20 mm, +20°C, and 60% R.H.) can be safely cut back for finishing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1.5 to 5 hours full cure:\u003c\/strong\u003e Complete hardening window depending on temperature and moisture levels, allowing fast turnaround before skimming or painting.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e45 litres free expansion yield:\u003c\/strong\u003e High volumetric yield from a single 750 ml can (measured at +20°C and 60% R.H.) to maximize coverage in large cavities.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eThis foam is suitable for the following jobs:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eThermal insulation and soundproofing of door frames, window frames, and roller-blind housings.\u003c\/li\u003e\n \u003cli\u003eFilling and insulating gaps between different building materials and external insulation systems.\u003c\/li\u003e\n \u003cli\u003eFixing support frames in place for door and window fittings, and filling the gaps between frames and walls.\u003c\/li\u003e\n \u003cli\u003eInsulating through-pipes for heating, air-conditioning, and cooling systems.\u003c\/li\u003e\n \u003cli\u003eFilling and insulating construction features and fittings on roofs and flat roofs.\u003c\/li\u003e\n \u003cli\u003eBonding embedded electrical fittings such as cable-runs and junction boxes in plasterboard walls.\u003c\/li\u003e\n \u003cli\u003eSealing formwork to prevent leaks when pouring fluid concrete.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDoes not adhere to polyethylene, silicone, or Teflon.\u003c\/li\u003e\n \u003cli\u003eCured foam must be protected from direct UV exposure to prevent surface degradation and damage.\u003c\/li\u003e\n \u003cli\u003ePressurised cans must not be exposed to direct sunlight or temperatures exceeding +50°C.\u003c\/li\u003e\n \u003cli\u003eUncured foam cleanup requires solvent-based MapePUR Cleaner, which may discolour sensitive substrates; verify compatibility via a test area before use. Hardened foam can only be removed mechanically.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication procedure\u003c\/h3\u003e\n \u003cp\u003eEnsure the substrate is clean, dust-free, and free from grease, oil, or loose material. Mask adjacent delicate surfaces to protect them from overspray. Pre-dampen the substrate by spraying it with water to accelerate expansion and ensure optimum polymerisation.\u003c\/p\u003e\n \u003cp\u003eThe application temperature must be between +5°C and +30°C, with optimal performance achieved when the can is between +20°C and +25°C. Shake the can upside down for at least 30 seconds before use, and repeat shaking after any long interruption.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMapePUR Universal Foam M (Manual):\u003c\/strong\u003e Screw the feed tube to the spray nozzle. Hold the can upside down and press the hand lever. Fill the gap from the deepest, lowest part upward to 50-60% of its volume; the foam will expand to fill the remaining space.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMapePUR Universal Foam G (Gun):\u003c\/strong\u003e Screw the can to the MapePUR Gun Standard adaptor. Regulate the flow using the feed screw and trigger stroke. Fill the cavity to 50-60% of its volume. Replace empty cans immediately to prevent the foam from setting inside the gun.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003eFor gaps wider than 5 cm, apply the product in multiple layers, waiting for each layer to expand before applying the next. Spray the freshly extruded foam with water immediately after application to improve yield and curing speed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mapei","offers":[{"title":"Single Buy","offer_id":43608322441408,"sku":"FOAMPU\/750","price":16.33,"currency_code":"AUD","in_stock":true},{"title":"Box Buy (12)","offer_id":48530634571968,"sku":"FOAMPU\/750\/BOX","price":176.28,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/mapepur-foam-expanding-sealant-adheseal.png?v=1763710206"},{"product_id":"bostik-seal-n-flex-one-plus-p590","title":"Bostik Seal ‘N’ Flex One Plus P590 Polyurethane Sealant 600ml","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor sealing expansion and construction joints in precast panels, insitu concrete, brickwork, and metal cladding, Bostik Seal ‘N’ Flex One Plus P590 provides a low-modulus polyurethane seal that accommodates joint movement without tearing or pulling away from the substrate.\u003c\/p\u003e\n\n \u003ch3\u003eJoint movement and elasticity\u003c\/h3\u003e\n \u003cp\u003eThis polyurethane sealant is formulated to absorb cyclic expansion and compression movement of +100%\/-50%. With an elongation at break exceeding 1,000%, it stretches to prevent adhesive or cohesive failure in high-movement joints, such as those found in aluminium composite materials, fiber cement sheet, and aluminium window installations. The moisture-curing formula prevents the formation of internal bubbles during the curing cycle, ensuring a dense, consistent seal even when applied to damp or moist substrates.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e+100% \/ -50% joint movement:\u003c\/strong\u003e Absorbs high-amplitude structural expansion and contraction in precast concrete, brickwork, and cladding systems.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAt least 1,000% elongation at break:\u003c\/strong\u003e Provides high elasticity to stretch across shifting joint gaps without tearing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2.5-3mm per 24 hours cure rate:\u003c\/strong\u003e Sets progressively, requiring 7 days for full cure on porous substrates, and over 14 days in joints wider than 20mm.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e90-minute skin time:\u003c\/strong\u003e Delivers a practical working window for tooling and finishing joint profiles.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2.8g\/L VOC content:\u003c\/strong\u003e Low-emission formulation meeting Singapore Green Building Council standards.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eSuitable for joints in:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInsitu concrete and render\u003c\/li\u003e\n \u003cli\u003ePrecast and tilt-up panels\u003c\/li\u003e\n \u003cli\u003eAluminium composite materials and aluminium windows\u003c\/li\u003e\n \u003cli\u003eBrickwork and block work\u003c\/li\u003e\n \u003cli\u003eMetal cladding and stainless steel trays\u003c\/li\u003e\n \u003cli\u003ePlasterboard face and paper-lined recessed edges\u003c\/li\u003e\n \u003cli\u003eFibre cement sheet\u003c\/li\u003e\n \u003cli\u003eGranite, sandstone, marble, and GRC panel systems\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not use in chlorinated water such as swimming pools and spas.\u003c\/li\u003e\n \u003cli\u003eDo not use in constantly immersed salt water.\u003c\/li\u003e\n \u003cli\u003eNot suitable for PE, PP, PC, PMMA, PTFE, soft plastics, neoprene, or bituminous substrates.\u003c\/li\u003e\n \u003cli\u003eDo not use for glazing applications or in trafficable joints.\u003c\/li\u003e\n \u003cli\u003eDo not apply to cement-based substrates within 28 days of the initial pour or set.\u003c\/li\u003e\n \u003cli\u003eDo not apply in temperatures below 5°C or above 40°C.\u003c\/li\u003e\n \u003cli\u003eAvoid exposure to water or alcohol before the sealant has fully cured.\u003c\/li\u003e\n \u003cli\u003eDo not apply to joints less than 5mm in both width and depth, or joints larger than 80mm.\u003c\/li\u003e\n \u003cli\u003eWhite sealant may yellow on the surface under prolonged exposure to strong natural or artificial UV light.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eJoint design and priming\u003c\/h3\u003e\n \u003cp\u003eTo ensure correct sealant geometry and prevent three-sided adhesion, always install a backing rod before applying the sealant. The minimum allowable joint depth is 5mm, and the maximum joint width is 80mm. Tool the sealant to achieve a concave surface profile.\u003c\/p\u003e\n \u003cp\u003eFor joints 5mm to 10mm wide, maintain a 1:1 width-to-depth ratio. For joints wider than 10mm (up to 80mm), calculate the depth using the formula: Depth = (width in mm \/ 3) + 6.\u003c\/p\u003e\n \u003cp\u003eThe sealant adheres without primer to clean concrete, mortar, and bare aluminium. For optimum adhesion in high-stress joints or under extreme weather exposure, use the following priming procedures:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e Use \u003ca href=\"\/products\/n49-primer\"\u003eBostik N49 Primer\u003c\/a\u003e for maximum performance on porous surfaces, and always prime before periodically immersed or submerged applications. Dry, vertical expansion joints in concrete or masonry do not require priming if clean and uncontaminated.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNon-porous substrates:\u003c\/strong\u003e Prime plastics and metallic substrates, including u-PVC, brass, copper, and stainless steel, with \u003ca href=\"\/products\/n40-primer\"\u003eBostik N40 Primer\u003c\/a\u003e using the two-cloth method.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAluminium composite and cladding panels:\u003c\/strong\u003e These panels often carry protective wax or plastic coatings. Always test compatibility and conduct Pre-tested Adhesion to Substrate (P.A.T.S.) before application.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003ePaintability\u003c\/h3\u003e\n \u003cp\u003eBostik Seal ‘N’ Flex One Plus P590 can be painted after curing for a minimum of 7 days. Solvent-containing coatings, such as enamels or oil-based paints, may react with the sealant surface and leave it tacky. Surface coatings may discolour when in direct contact with the cured sealant, or crack due to cyclic joint movement. Conduct a field test to verify coating compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bostik","offers":[{"title":"Off White \/ Box Buy (20)","offer_id":46701788463296,"sku":"SNF1OW\/SSG\/BOX","price":371.2,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ Box Buy (20)","offer_id":46701788397760,"sku":"SNF1GR\/SSG\/BOX","price":322.6,"currency_code":"AUD","in_stock":true},{"title":"White \/ Box Buy (20)","offer_id":46701788364992,"sku":"SNF1WH\/SSG\/BOX","price":322.6,"currency_code":"AUD","in_stock":true},{"title":"Black \/ Box Buy (20)","offer_id":46701788332224,"sku":"SNF1BL\/SSG\/BOX","price":322.6,"currency_code":"AUD","in_stock":true},{"title":"Limestone \/ Box Buy (20)","offer_id":46701801439424,"sku":"SNF1LS\/SSG\/BOX","price":371.2,"currency_code":"AUD","in_stock":true},{"title":"Sandstone \/ Box Buy (20)","offer_id":46701801472192,"sku":"SNF1ST\/SSG\/BOX","price":371.2,"currency_code":"AUD","in_stock":true},{"title":"Epping Grey \/ Box Buy (20)","offer_id":46701788430528,"sku":"SNF1EPGR\/SSG\/BOX","price":371.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/sealnflexoneplusssg_d5fcb46e-cb71-4074-8285-17bff0949312.png?v=1756198091"},{"product_id":"bostik-seal-n-flex-one-p390-polyurethane-sealant-300ml","title":"Bostik Seal 'N' Flex One P390 Polyurethane Sealant 300ml","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor expansion joints in precast and tilt-up panels, brickwork, concrete, and fibre cement sheet, Seal 'N' Flex One P390 Polyurethane Sealant 300ml provides a Class-A joint seal that accommodates high-movement thermal cycles. It cures to a tough, flexible barrier that handles constant contraction and expansion without adhesive failure or pulling away from the joint faces.\u003c\/p\u003e\n\u003ch3\u003eHigh-movement joint sealing\u003c\/h3\u003e\n\u003cp\u003eSeal 'N' Flex One P390 is a low-modulus, moisture-curing polyurethane sealant formulated to handle cyclic joint movement of ±50% (100% total movement) of the original installed joint width. Because it is low modulus, the cured sealant exerts minimal stress on the bond line when the joint expands, preventing cohesive or adhesive failure in porous substrates like insitu concrete, mortar, and brickwork. The smooth, non-sag thixotropic paste holds its shape during application in vertical joints and can be tooled to a concave finish. It is acoustic rated to AS 2253 \/ 1276 and carries AS4020 approval for potable water contact.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e±50% joint movement\u003c\/strong\u003e: Absorbs high-amplitude expansion and contraction in precast panels, GRC, and specialty exterior cladding panels without rupturing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026gt; 900% elongation at break\u003c\/strong\u003e: Extreme stretch capability to ensure the internal body of the sealant does not tear under unexpected structural shift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026gt; 1.3 N\/mm² tensile strength\u003c\/strong\u003e: Delivers high structural cohesive strength to maintain a durable barrier over a service temperature range of -40 to 75°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-day full cure\u003c\/strong\u003e: Based on porous substrates, extending to 14 days for joints wider than 20mm, with a cure rate of 2mm per 24 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6mm to 50mm joint limits\u003c\/strong\u003e: Fits joint widths within this range, maintaining a 1:1 depth-to-width ratio up to 12mm wide, and a 1:2 ratio for joints from 12mm to 50mm wide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cp\u003eSuitable for sealing joints in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecast and tilt-up concrete panels\u003c\/li\u003e\n\u003cli\u003eInsitu concrete and render\u003c\/li\u003e\n\u003cli\u003eBrickwork and blockwork\u003c\/li\u003e\n\u003cli\u003eFibre cement sheet and GRC\u003c\/li\u003e\n\u003cli\u003ePlasterboard face and paper-lined recessed edges\u003c\/li\u003e\n\u003cli\u003eAluminium windows, brass, copper, stainless steel, and u-PVC\u003c\/li\u003e\n\u003cli\u003eFibreglass and specialty panel systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not use\u003c\/strong\u003e in chlorinated water systems such as swimming pools, spas, or constantly immersed salt water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not apply\u003c\/strong\u003e to cement-based substrates within 28 days of the initial pour or set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not use\u003c\/strong\u003e on materials containing bitumen, for glazing applications, or in trafficable joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not apply\u003c\/strong\u003e in temperatures below 5°C or above 35°C, or expose to water or alcohol before full cure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not finish\u003c\/strong\u003e using wet tooling techniques that employ solvents, water, or soap solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite variant caution\u003c\/strong\u003e: White sealant may yellow on the surface under prolonged exposure to strong natural or artificial UV light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposite metallic facades\u003c\/strong\u003e: For northern and western elevations in full sunlight, daily thermal cycling can cause crimping or bulging of the sealant before it fully cures. Refer to Bostik V70 Silicone as the recommended sealant for metallic facades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSubstrate preparation and priming\u003c\/h3\u003e\n\u003cp\u003eSurfaces must be completely clean, dry, and free of laitance, oil, dust, grease, frost, water, old sealants, and curing agents. Dust and loose particles must be vacuum cleaned.\u003c\/p\u003e\n\u003cp\u003eSeal 'N' Flex One P390 adheres without primer to standard concrete, mortar, and bare Aluminium. However, a Pre-tested Adhesion to Substrate (P.A.T.S.) test is recommended prior to application. Substrate primers must be used for high-stress joints, extreme weather exposure, or highly porous surfaces:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorous substrates\u003c\/strong\u003e: For maximum performance and in periodically immersed or submerged applications, prime with \u003ca href=\"\/products\/n49-primer\"\u003eBostik N49 Primer\u003c\/a\u003e. Porous vertical expansion joints not subject to immersion do not require priming if clean and dry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-porous substrates\u003c\/strong\u003e: Prime plastics and metallic substrates (such as u-PVC outlets, brass, copper fittings, and stainless steel) with \u003ca href=\"\/products\/n40-primer\"\u003eBostik N40 Primer\u003c\/a\u003e using the two-cloth method.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePaintability\u003c\/h3\u003e\n\u003cp\u003eSeal 'N' Flex One P390 can be painted after a minimum of 7 days. Coatings containing solvents, such as enamels or oil-based paints, may react with the sealant surface and create a tacky finish. Surface coatings may discolour in direct contact with the cured sealant, and cyclical joint movement may cause the paint film to crack or craze. Field testing is recommended to verify coating compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bostik","offers":[{"title":"Box Buy (20) \/ Grey","offer_id":48530760040640,"sku":"SNFFCGR\/CTG\/BOX","price":355.8,"currency_code":"AUD","in_stock":true},{"title":"Box Buy (20) \/ White","offer_id":48530760073408,"sku":"SNFFCWH\/CTG\/BOX","price":355.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/sealnflex1.png?v=1782886428"},{"product_id":"bostik-seal-n-flex-one-plus-p590-polyurethane-sealant-copy","title":"Bostik Seal ‘N’ Flex One Plus P590 Polyurethane Sealant 300ml","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor expansion and construction joints in precast panels, concrete cladding, and window installations where joint movement causes standard sealants to shear or pull away, Seal ‘N’ Flex One Plus P590 Polyurethane Sealant 300ml provides a low-modulus, high-movement barrier. This polyurethane formulation cures bubble-free—even on damp or moist substrates—to handle extreme joint expansion and compression cycles without structural failure.\u003c\/p\u003e\n\n \u003ch3\u003eHigh-movement joint performance\u003c\/h3\u003e\n \u003cp\u003eSeal ‘N’ Flex One Plus P590 is a low-modulus sealant, meaning it remains highly flexible after curing. It accommodates joint expansion up to +100% and compression down to -50%, absorbing the thermal expansion and contraction common in precast concrete tilt-up panels, brickwork, metal cladding, and aluminium window frames. With an elongation at break exceeding 1000%, it stretches reliably over wide movement cycles without tearing or losing adhesion to the joint faces.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e+100% \/ -50% joint movement:\u003c\/strong\u003e Absorbs high cyclic movement in external cladding joints, reducing the risk of adhesive failure under extreme thermal shifts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026gt; 1000% elongation at break:\u003c\/strong\u003e High elasticity prevents the sealant from tearing internally when joints open to their maximum width.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2.5-3mm per 24 hours cure rate:\u003c\/strong\u003e Standard moisture-curing window, reaching full cure in 7 days on porous substrates, and requiring more than 14 days for joints wider than 20mm.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e-30 to 80°C temperature resistance:\u003c\/strong\u003e Maintains its physical seal properties and elasticity in harsh external environments and high-exposure metal facades.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2.8g\/L VOC:\u003c\/strong\u003e Low-emission formulation suitable for environmentally rated projects, conforming to Singapore Green Building Council standards.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eThis sealant bonds to major construction substrates and panel systems, including:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete and masonry:\u003c\/strong\u003e Insitu concrete, render, precast and tilt-up panels, brickwork, block work, GRC, and natural stone such as granite, sandstone, and marble.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCladding and windows:\u003c\/strong\u003e Aluminium composite materials, metal cladding, fibre cement sheet, and aluminium windows.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePlasterboard:\u003c\/strong\u003e Plasterboard face and paper-lined recessed edges.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMetals and plastics:\u003c\/strong\u003e Aluminium, u-PVC, brass, copper, and stainless steel.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eApplication and priming rules\u003c\/h3\u003e\n \u003cp\u003eBostik Seal ‘N’ Flex One Plus P590 adheres to standard concrete, mortar, and bare aluminium without a primer. However, specific installation conditions require substrate priming to guarantee bond integrity:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePorous substrates:\u003c\/strong\u003e Use \u003ca href=\"\/products\/n49-primer\"\u003eBostik N49 Primer\u003c\/a\u003e for maximum performance on porous surfaces, and always prime for periodically immersed or submerged applications. Vertical joints in dry, clean concrete or masonry do not require priming.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNon-porous substrates:\u003c\/strong\u003e Use \u003ca href=\"\/products\/n40-primer\"\u003eBostik N40 Primer\u003c\/a\u003e for non-porous plastic and metal substrates, including u-PVC outlets, pipework, brass, copper fittings, and stainless steel trays or flashings. Apply using the two-cloth method.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eComposite panels:\u003c\/strong\u003e Coated aluminium panels often carry protective wax or plastic coatings; always perform a Pre-tested Adhesion to Substrate (P.A.T.S.) test to verify bonding before full application.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eJoint geometry:\u003c\/strong\u003e For joints 5mm to 10mm wide, use a 1:1 width-to-depth ratio. For joints wider than 10mm (up to 80mm), calculate depth using the formula: Depth = (Width \/ 3) + 6mm. Always install a backing rod before priming to control sealant depth and prevent three-sided adhesion.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply to cement-based substrates within 28 days of the initial pour or set.\u003c\/li\u003e\n \u003cli\u003eDo not use in trafficable joints, for glazing applications, or in chlorinated water environments like swimming pools and spas.\u003c\/li\u003e\n \u003cli\u003eDo not use in constantly immersed salt water.\u003c\/li\u003e\n \u003cli\u003eDo not apply in temperatures below 5°C or above 40°C, or expose the sealant to water or alcohol before it has completely cured.\u003c\/li\u003e\n \u003cli\u003eDo not use on PE, PP, PC, PMMA, PTFE, soft plastics, neoprene, or bituminous substrates.\u003c\/li\u003e\n \u003cli\u003eDo not use in joints less than 5mm or wider than 80mm.\u003c\/li\u003e\n \u003cli\u003eWhite sealant may yellow on the surface if exposed to strong natural or artificial UV light for prolonged periods.\u003c\/li\u003e\n \u003cli\u003eIf painting, wait a minimum of 7 days. Solvent-based coatings (such as enamels or oil-based paints) may react with the sealant, leaving a tacky surface. Surface coatings may crack, craze, or discolour due to joint movement.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bostik","offers":[{"title":"Grey \/ Box Buy (20)","offer_id":48530780029120,"sku":"SNF1GR\/CTG\/BOX","price":238.8,"currency_code":"AUD","in_stock":true},{"title":"White \/ Box Buy (20)","offer_id":48530780061888,"sku":"SNF1WH\/CTG\/BOX","price":238.8,"currency_code":"AUD","in_stock":true},{"title":"Black \/ Box Buy (20)","offer_id":48530780094656,"sku":"SNF1BL\/CTG\/BOX","price":238.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/sikasealnflex1plus.png?v=1756198091"}],"url":"https:\/\/adheseal.com.au\/collections\/masonry-joint-sealing.oembed","provider":"Adheseal","version":"1.0","type":"link"}