{"title":"Pipe \u0026 Tank Repair","description":"\u003cp\u003eEpoxy and silicone sealant products for repairing and sealing pipes, tanks, and water-infrastructure structures. The range covers Megapoxy two-part epoxies for concrete pipe and tank repair, including rapid-set and wet-submerged cure options, plus Nitoseal SC600 — a silicone sealant with an explicit plumbing and pool-builder section and AS\/NZS 4020 potable-water certification.\u003c\/p\u003e\u003cp\u003eThese products suit civil and water-infrastructure repair work — sewage and wastewater systems, potable-water vessels, and submerged or high-exposure service. They are a conditional branch of the Plumbing journey, distinct from the drainage-fixture installation stages. Confirm AS\/NZS 4020 compliance status, substrate, exposure, and current manufacturer instructions before specifying.\u003c\/p\u003e","products":[{"product_id":"megapoxy-p1","title":"Megapoxy P1","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor high-strength structural bonding and concrete repair, Megapoxy P1 is a two-component gap-filling epoxy paste formulated for vertical, overhead, and damp-condition applications. It is chemically resistant to hydrogen sulphide in sewage systems and complies with AS\/NZS 4020:2018 for contact with potable drinking water, making it suitable for repairing concrete tanks, pipes, and marine or municipal infrastructure.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eMegapoxy P1 combines a DGEBA epoxy resin with a carbonate-free filler to create a dark grey structural paste that does not sag on vertical or overhead surfaces. It provides permanent bonding and structural patching across dissimilar materials, including concrete, metals, natural stone, brick, and fibre cement sheet. When applied directly to grit-blasted steel at a minimum thickness of 3mm, the cured epoxy layer provides corrosion protection equivalent to approximately 50mm of concrete cover.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e80 MPa ultimate compressive strength (ASTM C579):\u003c\/strong\u003e Provides structural load-bearing capacity superior to standard concrete, preventing crush failures under heavy loads.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026gt;3 MPa concrete bond strength (ASTM D4541):\u003c\/strong\u003e Exceeds the tensile strength of concrete, ensuring the concrete substrate will fail structurally before the epoxy bond line separates.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e18 MPa steel tensile bond strength (ASTM D897):\u003c\/strong\u003e Delivers high-adhesion mechanical anchors when bonding metal plates, bracketry, or grouting bolts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e60-minute work time (at 25°C):\u003c\/strong\u003e Generates a practical installation window to blend, apply, and align heavy precast panels, stones, or steel components before curing begins.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1:1 mixing ratio by volume:\u003c\/strong\u003e Equal parts white Part A and black Part B simplify onsite mixing and reduce batching errors.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eMegapoxy P1 is suitable for the following structural bonding and repair jobs:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eBonding precast concrete articles, bricks, ceramics, and compressed cement sheet.\u003c\/li\u003e\n \u003cli\u003eBonding metal components to other metals or to concrete substrates.\u003c\/li\u003e\n \u003cli\u003eGrouting starter bars, threaded rods, and structural bolts.\u003c\/li\u003e\n \u003cli\u003eSecuring and aligning natural stone panels.\u003c\/li\u003e\n \u003cli\u003eFilling and repairing concrete pipes, tanks, columns, stairs, and insitu formed concrete.\u003c\/li\u003e\n \u003cli\u003eFlush-filling countersunk screw holes in fibre cement sheet and repairing damaged fibreglass articles.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eConcrete preparation:\u003c\/strong\u003e Clean the surface of all grease and oil. Remove surface laitance using mechanical scabbling, grit blasting, or diamond grinding. If mechanical preparation is not possible, acid etch with a 1:1 mixture of concentrated hydrochloric acid and water at a rate of 0.5 litres per square metre. Allow to react for 10 minutes, wash thoroughly, scrub with a stiff broom, and allow to dry for 24 hours. The substrate should be surface dry for maximum adhesion.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMetal preparation:\u003c\/strong\u003e Grit blast steel and other metals to AS 1627.2.2002. If grit blasting is not possible, mechanically abrade to a clean, bright finish, then flood-degrease with an industrial-grade solvent. Wire brushing is not satisfactory and results in minimal adhesion.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eCoated surfaces:\u003c\/strong\u003e Remove all paints, coatings, and galvanising before bonding. For coated concrete, remove paint via flame-cleaning or with a scutching tool, then complete with diamond grinding or scabbling. For coated metals, apply a high-quality paint stripper, then grit blast or grind to a bright metal finish.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMixing:\u003c\/strong\u003e Thoroughly blend Part A and Part B together at the 1:1 volume ratio. Incorrect ratios or incomplete mixing will lower the physical properties of the cured system, prevent a satisfactory cure, or cause discolouration over time.\u003c\/p\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply Megapoxy P1 at temperatures below the minimum application threshold of 10°C.\u003c\/li\u003e\n \u003cli\u003eDo not rely on wire brushing for metal preparation, as it results in minimal bond adhesion.\u003c\/li\u003e\n \u003cli\u003eDo not apply directly to coated, painted, or galvanised surfaces; failure to remove coatings before bonding will result in inferior bond strength.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"1L Kit","offer_id":37551472541888,"sku":"MPP1\/1","price":84.1,"currency_code":"AUD","in_stock":true},{"title":"4L Kit","offer_id":37551472509120,"sku":"MPP1\/4","price":189.75,"currency_code":"AUD","in_stock":true},{"title":"20L Kit","offer_id":37551472476352,"sku":"MPP1\/20","price":498.1,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/megapoxy-p1-epoxy-adhesive-concrete-repair-adheseal.png?v=1763706687"},{"product_id":"megapoxy-pm","title":"Megapoxy PM","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor structural bonding and repair jobs on vertical or overhead surfaces where sagging must be prevented, Megapoxy PM provides a non-sag epoxy adhesive paste that holds its position. When properly mixed, this two-part epoxy paste secures heavy materials like precast concrete, natural stone, and metals without slipping, and it will not stain or discolour white or light-coloured marble and ceramics.\u003c\/p\u003e\n\u003ch3\u003eHigh-strength structural bonding\u003c\/h3\u003e\n\u003cp\u003eMegapoxy PM cures to a high-strength permanent bond with compressive and tensile strengths that exceed those of standard concrete. Its creamy, easily blended texture allows for direct application to vertical joints, concrete pipe repairs, and overhead grouting without dripping. It retains its physical properties after prolonged immersion in water and is formulated to adhere and cure under cold and damp conditions, making it reliable for field repairs on insitu formed concrete and water tanks.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e80MPa compressive strength (ASTM D695-23):\u003c\/strong\u003e High load-bearing capacity for structural precast concrete bonding and concrete column repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026gt;3MPa concrete bond strength (ASTM 4541):\u003c\/strong\u003e Stronger than the cohesive strength of concrete, ensuring the substrate fails before the bond line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20MPa tensile bond strength on steel (ASTM D897-08):\u003c\/strong\u003e High-capacity structural adhesion when bonding metal to metal or concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:1 mix ratio by volume:\u003c\/strong\u003e Equal parts of A and B simplifies onsite measurement and mixing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45-minute work time (at 25°C):\u003c\/strong\u003e Practical wet-edge window to align natural stones, flush-fill countersunk screws, or position precast elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCure windows:\u003c\/strong\u003e Minimum cure time is 48 hours at 15°C, 24 hours at 25°C, and 12 hours at 35°C (minimum application temperature 10°C).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding:\u003c\/strong\u003e Precast concrete articles, metal to metal, metal to concrete, natural stones, bricks, ceramics, and compressed cement sheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling and repair:\u003c\/strong\u003e Concrete pipes, concrete tanks, fibreglass articles, concrete floors, stairs, columns, and insitu formed concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastening:\u003c\/strong\u003e Grouting bolts into concrete and flush-filling countersunk screws in fibre cement sheet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing precision:\u003c\/strong\u003e Strict adherence to the 1:1 ratio and thorough mixing is essential. Inaccuracies or poor mixing will reduce the physical properties of the cured system, and may prevent a satisfactory cure or cause discolouration on ageing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoated surfaces:\u003c\/strong\u003e All paint, galvanising, and coatings must be removed before bonding. Bonding to coated surfaces will result in inferior bond strength compared to a prepared, bare substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface preparation limits:\u003c\/strong\u003e Wire brushing is not satisfactory and provides minimal adhesion only. Metals must be prepared to a bright finish, and concrete must be clean, dry, and free of laitance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature limit:\u003c\/strong\u003e Maximum operating temperature is 70°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSurface preparation\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eConcrete:\u003c\/strong\u003e Must be free from grease and oil. Clean with an industrial heavy-duty degreaser if required. Remove surface laitance using mechanical abrasion (scabbling, grit blasting, or grinding). If mechanical preparation is not possible, acid etch using a 1:1 mix of concentrated hydrochloric acid and water spread at 0.5 litres per square metre. Allow to react for 10 minutes, scrub with a stiff broom, wash thoroughly, and allow to dry for 24 hours. Concrete should be surface dry for maximum adhesion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMetal:\u003c\/strong\u003e Grit blast to AS CK 9.4 - 1964 Class 3 finish. If grit blasting is not possible, mechanically abrade to a clean, bright metal surface, then degrease by flooding with industrial grade degreaser.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoated surfaces:\u003c\/strong\u003e Remove all coatings before bonding. For concrete, flame-clean or use a scutching tool to remove paint, then complete by diamond grinding or scabbling. For metals, remove paint and galvanising with a high-quality paint stripper, followed by grit blasting or grinding to a bright metal finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCleanup:\u003c\/strong\u003e Use \u003ca href=\"\/products\/megapoxy-thinners\"\u003eMegapoxy Thinners\u003c\/a\u003e to clean mixing implements and tools before the epoxy cures. Wear disposable rubber gloves during application and cleanup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"White \/ 1L Kit","offer_id":37551472902336,"sku":"MPPMWH\/1","price":84.1,"currency_code":"AUD","in_stock":true},{"title":"White \/ 4L Kit","offer_id":37551472869568,"sku":"MPPMWH\/4","price":189.75,"currency_code":"AUD","in_stock":true},{"title":"White \/ 20L Kit","offer_id":37551472836800,"sku":"MPPMWH\/20","price":498.1,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ Duo Cartridge 600ml","offer_id":45514139336896,"sku":"MPPMGR\/CTG","price":80.5,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ 4L Kit","offer_id":37551472771264,"sku":"MPPMGR\/4","price":189.75,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ 20L Kit","offer_id":37551472804032,"sku":"MPPMGR\/20","price":498.1,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/megapoxy-pm-epoxy-paste-adhesive-marble-bonding-adheseal.png?v=1763706687"},{"product_id":"megapoxy-pf","title":"Megapoxy PF","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor emergency repairs to concrete structures, pipes, and tanks, Megapoxy PF is a rapid-set epoxy paste adhesive that hardens-as-you-hold-it. It sets in seven minutes and achieves more than half its ultimate strength within 15 minutes of mixing at 25°C, making it suitable for immediate on-the-spot repairs, vertical grouting, and overhead bonding where sag must be avoided.\u003c\/p\u003e\n\n \u003ch3\u003eWhat it does\u003c\/h3\u003e\n \u003cp\u003eMegapoxy PF provides high-strength permanent bonds across mismatched substrates including concrete, steel, natural stone, and fibreglass. Its creamy paste texture allows for smooth application on vertical surfaces without dripping. When properly mixed, the formula is non-staining, preventing discolouration on white or light-coloured marble, ceramics, and natural stones. The rapid cure profile allows the material to be machined after 30 minutes of curing at 25°C.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e3-minute work time (at 25°C):\u003c\/strong\u003e Extremely tight application window requiring rapid placement immediately after mixing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1-hour minimum cure (at 25°C):\u003c\/strong\u003e Achieves 90% cure within 60 minutes; cures in 2 hours at 15°C and 30 minutes at 35°C.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e70 MPa compressive strength (ASTM D695-23):\u003c\/strong\u003e Provides high-load compressive resistance superior to standard concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e16 MPa tensile bond strength on steel (ASTM D897-08):\u003c\/strong\u003e Delivers high-adhesion mechanical bonding when joining metal to metal or concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e\u0026gt;3 MPa bond strength on concrete (ASTM D4541):\u003c\/strong\u003e Ensures structural adhesion that exceeds the cohesive strength of the concrete substrate.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eMegapoxy PF is formulated for structural assembly and fast-turnaround maintenance, including:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eBonding precast concrete articles, bricks, ceramics, and compressed cement sheet.\u003c\/li\u003e\n \u003cli\u003eGrouting bolts and anchoring fasteners into concrete columns or walls.\u003c\/li\u003e\n \u003cli\u003eFilling and repairing concrete pipes, tanks, stairs, and insitu formed concrete.\u003c\/li\u003e\n \u003cli\u003eFlush-filling countersunk screws in fibre cement sheet.\u003c\/li\u003e\n \u003cli\u003eRepairing and structural bonding of fibreglass articles.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eDo not apply below 10°C:\u003c\/strong\u003e The minimum application temperature required for the chemical reaction to initiate.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStrict 1:1 mix ratio:\u003c\/strong\u003e Part A and Part B must be thoroughly mixed. Inaccuracies will lower physical properties, prevent satisfactory curing, and cause discolouration on ageing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAbrasive preparation required:\u003c\/strong\u003e Bonding to coated surfaces yields inferior strength. All paint, galvanising, and coatings must be removed to reach a bright metal or raw concrete finish.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNo wire brushing on metal:\u003c\/strong\u003e Hand wire brushing does not provide sufficient mechanical key, resulting in minimal adhesion only.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eHow to apply\u003c\/h3\u003e\n \u003cp\u003eSubstrates must be properly prepared to ensure permanent adhesion:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete:\u003c\/strong\u003e Must be free from grease and oil. Remove surface laitance via mechanical abrasion (scabbling, grit blasting, or grinding). If mechanical preparation is not possible, acid etch with a 1:1 hydrochloric acid and water mix at 0.5 litres per square metre, allow to react for 10 minutes, scrub, flush clean, and dry for 24 hours. Substrate must be surface dry for maximum adhesion.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMetal surfaces:\u003c\/strong\u003e Grit blast to AS CK 9.4 - 1964 Class 3 finish, or mechanically grind to a clean, bright metal finish, then degrease by flooding with industrial grade degreaser.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoated surfaces:\u003c\/strong\u003e Remove paint from concrete using a scutching tool or flame cleaning, followed by diamond grinding. Remove paint and galvanising from metals using a quality paint stripper followed by grit blasting or grinding.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCleanup:\u003c\/strong\u003e Clean mixing tools and implements immediately after use with \u003ca href=\"\/products\/megapoxy-thinners\"\u003eMegapoxy Thinners\u003c\/a\u003e. Wear disposable rubber gloves during application.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"Grey \/ 20L Kit","offer_id":37551473000640,"sku":"MPPFGR\/20","price":636.37,"currency_code":"AUD","in_stock":true},{"title":"Grey \/ 4L Kit","offer_id":37551473066176,"sku":"MPPFGR\/4","price":207.13,"currency_code":"AUD","in_stock":true},{"title":"White \/ 20L Kit","offer_id":37551473131712,"sku":"MPPFWH\/20","price":636.37,"currency_code":"AUD","in_stock":true},{"title":"White \/ 4L Kit","offer_id":37551473164480,"sku":"MPPFWH\/4","price":207.13,"currency_code":"AUD","in_stock":true},{"title":"White \/ 1L Kit","offer_id":37551473230016,"sku":"MPPFWH\/1","price":106.84,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/megapoxy-pf-rapid-set-epoxy-stone-bonding-adheseal.png?v=1763706786"},{"product_id":"megapoxy-h","title":"Megapoxy H","description":"\u003cdiv role=\"main\"\u003e\n\u003cp\u003eFor structural concrete repairs, steel anchoring, and wet-to-dry concrete bonding, Megapoxy H is a low-viscosity, solvent-free hydrophilic epoxy resin that creates permanent bonds stronger than the concrete itself. It complies with AS\/NZS 4020:2018 for potable water contact, making it suitable for drinking water structures, and resists hydrogen sulphide exposure in sewage treatment environments.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eMegapoxy H is a 100% solids liquid resin formulated to penetrate deep into cracks and bond directly to wet or dry substrates. Because it is hydrophilic, it maintains reliable adhesion during underwater and splashzone repairs. The low mixed viscosity of 800cps allows it to flow easily for gravity feeding, capillary crack sealing, or low-pressure balloon and mechanical nipple injection. It can also be mixed with graded silica sand to produce high-strength pourable grouts, trowellable repair mortars, or moisture-tolerant leveling screeds.\u003c\/p\u003e\n\u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e92MPa yield compressive strength (ASTM C579):\u003c\/strong\u003e High mechanical performance for load-bearing repairs, rising to an ultimate compressive strength of 120MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026gt;3MPa concrete bond strength (ASTM D4541):\u003c\/strong\u003e Stronger than the tensile strength of standard concrete, ensuring the substrate fails before the epoxy bond.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18MPa steel tensile bond strength (ASTM D897):\u003c\/strong\u003e High-strength adhesion for anchoring deformed steel bars and structural metal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-minute work time (at 25°C):\u003c\/strong\u003e The practical application window to mix, pour, or inject the resin before curing begins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15-minute bonding window:\u003c\/strong\u003e For new-to-old concrete adhesive applications, the wet overlay window required after spraying or rolling the resin at 1 to 1.5 litres per square metre.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhere to use it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete crack repair:\u003c\/strong\u003e Suitable for structural cracks via capillary action, low-pressure balloon injection, or high-pressure grease gun injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel anchoring:\u003c\/strong\u003e For grouting deformed bars into concrete vertical holes drilled at 1.5 times the bar diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxy mortars:\u003c\/strong\u003e Can be mixed with Silica 50N, Silica 16\/30, or blue metal to create custom grouts, screeds, and high-strength concrete patches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and wastewater infrastructure:\u003c\/strong\u003e Suitable for potable water vessels, pipes, and sewage treatment plant surfaces exposed to hydrogen sulphide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation limits and preparation\u003c\/h3\u003e\n\u003cp\u003eTo prevent bond failure, surfaces must be prepared thoroughly. Concrete must be free of grease, oil, and surface laitance, requiring mechanical scabbling, grit blasting, grinding, or acid etching before drying. Metals must be grit blasted to AS 1627.2.2002 or mechanically abraded to bright metal, then degreased. All existing paint, coatings, or galvanising must be completely removed prior to application.\u003c\/p\u003e\n\u003ch3\u003eLimitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor vertical or overhead steel grouting and rendering, do not use Megapoxy H; use \u003ca href=\"\/products\/megapoxy-ht\"\u003eMegapoxy HT\u003c\/a\u003e instead.\u003c\/li\u003e\n\u003cli\u003eWire brushing of metal surfaces is not satisfactory and provides minimal adhesion only.\u003c\/li\u003e\n\u003cli\u003eDo not apply to coated or painted surfaces, as this will result in inferior bond strengths.\u003c\/li\u003e\n\u003cli\u003eDo not apply at temperatures below 10°C.\u003c\/li\u003e\n\u003cli\u003eThe mixing ratio of 3 Part A to 1 Part B by volume must be strictly maintained; inaccurate mixing reduces physical properties and may cause curing failure or discolouration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"N35 Grey \/ 20L Kit","offer_id":37551473524928,"sku":"MPHGR\/20","price":685.04,"currency_code":"AUD","in_stock":true},{"title":"N35 Grey \/ 4L Kit","offer_id":37551473557696,"sku":"MPHGR\/4","price":208.59,"currency_code":"AUD","in_stock":true},{"title":"Natural \/ 20L Kit","offer_id":37551473590464,"sku":"MPH\/20","price":623.56,"currency_code":"AUD","in_stock":true},{"title":"Natural \/ 4L Kit","offer_id":37551473623232,"sku":"MPH\/4","price":193.22,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/megapoxy-h-hydrophilic-crack-injection-adheseal.png?v=1763706786"},{"product_id":"megapoxy-ht","title":"Megapoxy HT","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor wet-to-dry concrete bonding, structural repairs, and underwater or splashzone applications, Megapoxy HT is a hydrophilic epoxy gel adhesive that forms permanent bonds on concrete, metal, and steel surfaces. Its formulation is solvent-free, contains no volatile organic compounds (Nil V.O.C.), and resists hydrogen sulphide gas commonly present in sewage treatment plants and pipes.\u003c\/p\u003e\n\n \u003ch3\u003eHow it works\u003c\/h3\u003e\n \u003cp\u003eMegapoxy HT is a 100% solids, resin-based hydrophilic gel. This chemistry allows it to displace moisture and cure reliably in wet conditions, splash zones, or fully submerged environments. When mixed, it forms a high-strength gel that can be applied by brush, roller, or airless spray. It can be used as a high-strength binder with fine aggregates to produce epoxy mortars and concrete repairs, or applied directly to secure horizontal steel anchoring and wet-to-dry concrete interfaces. For vertical and overhead concrete rendering, its gel consistency provides the necessary sag resistance to hold in place without running.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e36 MPa slant shear strength:\u003c\/strong\u003e High-strength structural bond capacity for critical new-to-old concrete bonding interfaces.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e100 MPa compressive strength (ASTM D695):\u003c\/strong\u003e Superior load-bearing capability under compressive force, making it stronger than the surrounding concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e20 MPa tensile bond strength on steel (ASTM D897):\u003c\/strong\u003e High-adhesion anchoring performance when securing steel bars and rods into concrete.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e15-minute concrete placement window:\u003c\/strong\u003e For new-to-old concrete bonding, the new concrete mix must be poured within 15 minutes of applying the adhesive layer to ensure a proper bond.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCure windows by temperature:\u003c\/strong\u003e Reaches functional cure in 12 hours at 35°C, 24 hours at 25°C, and 48 hours at 15°C. Minimum application temperature is 10°C.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e30-minute work time (at 25°C):\u003c\/strong\u003e Practical open time to mix, apply, and align substrates before the gel begins to set.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eNew to old concrete bonding and concrete crack repairs\u003c\/li\u003e\n \u003cli\u003eUnderwater and splashzone concrete repairs\u003c\/li\u003e\n \u003cli\u003eHorizontal steel anchoring into concrete\u003c\/li\u003e\n \u003cli\u003eFloor repairs and high-strength epoxy mortar applications\u003c\/li\u003e\n \u003cli\u003eCoating applications in high-exposure environments such as sewage treatment facilities\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDo not apply if the temperature is below the minimum application limit of 10°C.\u003c\/li\u003e\n \u003cli\u003eAvoid bonding directly to coated surfaces; existing paint, galvanising, or coatings must be removed first to prevent inferior bond strengths.\u003c\/li\u003e\n \u003cli\u003eDo not rely on wire brushing for metal preparation; wire brushing provides minimal adhesion only. Metals must be grit blasted or mechanically abraded to a bright finish.\u003c\/li\u003e\n \u003cli\u003ePart A and Part B must be thoroughly mixed at the precise 3:1 by volume ratio. Inaccurate mixing or poor blending will lower physical properties, prevent a complete cure, and cause discolouration over time.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSubstrate preparation and application\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eConcrete:\u003c\/strong\u003e Ensure the surface is free from grease, oil, and laitance. Mechanical abrasion via scabbling, grit blasting, or grinding is preferred. If acid etching is required, apply a 1:1 hydrochloric acid and water mix at 0.5 litres per square metre, allow to react for 10 minutes, scrub with a stiff broom, wash thoroughly, and let dry for 24 hours. For maximum adhesion, the concrete should be surface dry before application.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMetal:\u003c\/strong\u003e Grit blast to AS CK 9.4 - 1964 Class 3 finish, or mechanically abrade to bright metal. Degrease by flooding the prepared surface with an industrial grade degreaser. For steel anchoring, drill a hole approximately 1.5 times the steel diameter, blow out dust using oil-free, dry compressed air, set the steel, and pour the mixed adhesive from one side to prevent air entrapment.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eCoated surfaces:\u003c\/strong\u003e For concrete, remove paint via flame-cleaning or scutching, followed by diamond grinding or scabbling. For metals, remove paint and galvanising with a paint stripper, then grit blast or grind to a bright metal finish.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eClean-up:\u003c\/strong\u003e Clean all mixing tools and application equipment immediately after use with \u003ca href=\"\/products\/megapoxy-thinners\"\u003eMegapoxy Thinners\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"4L Kit","offer_id":37551473787072,"sku":"MPHT\/4","price":197.39,"currency_code":"AUD","in_stock":true},{"title":"20L Kit","offer_id":37551473754304,"sku":"MPHT\/20","price":691.88,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/files\/megapoxy-ht-hydrophilic-epoxy-wet-concrete-adheseal.png?v=1763706786"},{"product_id":"megapoxy-254-epoxy-2-part","title":"Megapoxy 254","description":"\u003cdiv role=\"main\"\u003e\n \u003cp\u003eFor bonding precast concrete, natural stone, and heavy metal fixtures on vertical or overhead surfaces where sagging would ruin the assembly, Megapoxy 254 is a non-sag epoxy adhesive paste that holds its position without slipping. Formulated to cure even under cold and damp conditions, this solvent-free, white paste creates high-strength permanent bonds that resist water immersion and chemical exposure.\u003c\/p\u003e\n\n \u003ch3\u003eNon-staining paste with high structural strength\u003c\/h3\u003e\n \u003cp\u003eMegapoxy 254 is a two-part epoxy paste with a creamy, easily blended texture. It is formulated to be free of volatile organic compounds (Nil VOC) and, when mixed thoroughly at the correct ratio, will not stain or discolour white or light-coloured marble, natural stones, or ceramics. With a compressive strength of 70 MPa and a concrete bond strength exceeding 3 MPa, it creates structural joints that are mechanically stronger than the concrete substrate itself, making it reliable for grouting bolts, repairing concrete pipes, and flush-filling countersunk screws in fibre cement sheets.\u003c\/p\u003e\n\n \u003ch3\u003eNumbers that matter\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e1:1 mix ratio\u003c\/strong\u003e — Simple volumetric equal-part mix ratio (1 Part A to 1 Part B) to reduce batching errors on site.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e45-minute work time (at 25°C)\u003c\/strong\u003e — Practical application and alignment window before the adhesive begins to set.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e24-hour cure (at 25°C)\u003c\/strong\u003e — Minimum cure time before the joint can be loaded; cures in 48 hours at 15°C and 12 hours at 35°C.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e70 MPa compressive strength (ASTM D695-23)\u003c\/strong\u003e — Structural-grade load-bearing capacity for columns, stairs, and concrete repairs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e20 MPa tensile bond strength on steel (ASTM D897-08)\u003c\/strong\u003e — High-tenacity adhesion for heavy metal-to-metal and metal-to-concrete structural connections.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhere to use it\u003c\/h3\u003e\n \u003cp\u003eMegapoxy 254 is suitable for structural bonding, filling, and repair tasks across several substrates:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBonding:\u003c\/strong\u003e Precast concrete articles, metal to metal, metal to concrete, natural stones, bricks, ceramics, and compressed cement sheet.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFilling and repair:\u003c\/strong\u003e Concrete pipes, concrete tanks, fibreglass articles, concrete floors, concrete stairs, concrete columns, insitu formed concrete, and flush-filling countersunk screws in fibre cement sheet.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGrouting:\u003c\/strong\u003e Anchoring and securing bolts into concrete and masonry.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eLimitations\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMixing precision:\u003c\/strong\u003e Inaccuracies and poor mixing will lower the physical properties of the cured system. If the mixing error is large enough, the system may fail to cure satisfactorily and discolour as it ages.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoated surfaces:\u003c\/strong\u003e Bonding directly to painted or galvanised surfaces results in inferior bond strength. All coatings must be removed to expose the bare, prepared substrate.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMetal preparation:\u003c\/strong\u003e Wire brushing is not satisfactory and provides minimal adhesion only. Metals must be grit blasted or mechanically abraded to a clean, bright finish.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTemperature floor:\u003c\/strong\u003e Do not apply the product at temperatures below 10°C.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThermal limits:\u003c\/strong\u003e Safe for continuous service up to a maximum operating temperature of 70°C.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSurface preparation\u003c\/h3\u003e\n \u003cp\u003eTo ensure structural adhesion, substrates must be prepared strictly in accordance with the following requirements:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eConcrete:\u003c\/strong\u003e Must be free from grease and oil. Remove surface laitance by scabbling, grit blasting, or grinding. If mechanical preparation is not possible, acid etch using a 1:1 mix of hydrochloric acid and water spread at 0.5 litres per square metre. Let react for 10 minutes, scrub thoroughly with a stiff broom, wash down, and allow to dry for 24 hours. Concrete should be surface dry for maximum adhesion.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMetal surfaces:\u003c\/strong\u003e Grit blast to AS CK 9.4 - 1964 Class 3 finish. If grit blasting is not possible, mechanically abrade to a bright metal surface, then degrease by flooding the area with an industrial grade degreaser.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoated concrete:\u003c\/strong\u003e Remove paint using a flame-cleaning or scutching tool, followed by diamond grinding or scabbling.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoated metals:\u003c\/strong\u003e Remove paint or galvanising using a high-quality paint stripper, followed by grit blasting or grinding to a bright metal finish.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eClean-up\u003c\/h3\u003e\n \u003cp\u003eClean all mixing tools and application implements immediately after use with \u003ca href=\"\/products\/megapoxy-thinners\"\u003eMegapoxy Thinners\u003c\/a\u003e. Wear disposable rubber gloves during mixing and application to maintain proper hygiene.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Megapoxy","offers":[{"title":"20 Litre","offer_id":45482741039296,"sku":"MP254\/20","price":596.35,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0507\/3630\/0224\/products\/megapoxy-254-non-sag-epoxy-concrete-repair-adheseal.png?v=1763709937"}],"url":"https:\/\/adheseal.com.au\/collections\/plumbing-pipe-tank-repair.oembed","provider":"Adheseal","version":"1.0","type":"link"}