Waterproof Sealants
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Waterproof sealants are engineered to provide long-lasting, reliable sealing in wet and high-moisture environments. Ideal for use in bathrooms, kitchens, and exterior applications, they ensure robust protection against water ingress. Perfect for trade professionals, these sealants deliver dependable performance in demanding conditions. Browse our waterproof sealants for effective and durable sealing solutions.
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Vendor: Adheseal
Everflex VBS
Everflex VBS is a high-performance 2-part water-based epoxy system that functions as both a vapour barrier and primer. Formulated for internal and external use, it is ideal for damp substrates, green concrete, and as a negative waterproofing solution (up to 250kPa). With low VOC content, fast drying time, and excellent adhesion to concrete, screeds, masonry, and timber, Everflex VBS is suitable for a wide range of applications including waterproofing membranes, self-levelling systems, and flooring. It resists re-emulsification, inhibits mould, and meets Green Star environmental criteria.- $364.85
- $364.85
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Vendor: Adheseal
Adheseal Showerseal
Stops leaks in tiled showers without removing tiles, forms invisible water barrier, fast drying, easy application.- $65.00
- $65.00
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Vendor: Gripset
Gripset E-60
Gripset E60 is a two-component, water-based epoxy primer and moisture/vapour barrier for mineral substrates. It can be applied to damp or “green” concrete, resists up to 25 m water head (≈250 kPa), and is AS 4020 compliant for potable water. Pot life ~2 h; recoat ~4 h; overcoat at ~24 h; immersion after 7 days.- From $94.57
- From $94.57
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Vendor: RLA
RLA Moisture Seal
RLA Moisture Seal is a high-performance, two-part water-based epoxy moisture and vapour barrier system. Engineered for professional waterproofing, it withstands up to 25 metres (250 kPa) of hydrostatic pressure, bonds to damp or “green” concrete, and is fully compatible with RLA membranes, coatings, adhesives, and levelling compounds. Complies with AS 4020 for potable water use, making it ideal for both structural and water storage applications.- $364.50
- $364.50
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Vendor: Megapoxy
Megapoxy H
Megapoxy H is a low-viscosity, hydrophilic epoxy resin ideal for various applications, including bonding new to old concrete, crack repair, and underwater repairs. This versatile, 100% solids, solvent-free formula offers excellent mechanical properties and can be used with fine aggregates to create high-strength epoxy mortar. Megapoxy H is VOC-free and complies with AS/NZS 4020 for potable water contact, making it a safe and reliable choice for various projects.- From $148.50
- From $148.50
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Vendor: Megapoxy
Megapoxy HICB
Megapoxy HICB is a high-strength, nil VOC epoxy grout designed for crusher backing and heavy-duty industrial applications. With rapid cure options and exceptional compressive strength, it minimizes downtime and extends machinery lifespan.- $112.50
- $112.50
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Vendor: Enviro Pacific
EP Waterproofing System
Penetrating, non-film forming polyester-polymer treatment that waterproofs and hardens concrete, brick, render and most masonry from within. Spray applied at ~5–7 m²/L, passes negative hydrostatic pressure to 60 psi, paintable once dry.- From $150.00
- From $150.00
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Vendor: Efflock
Efflock Hydrophobic Additive
VOC-free, water-based additive for screeds, adhesives, grouts, renders and concrete. Reduces water absorption, controls efflorescence, and repels contaminants while remaining vapour-permeable. Compatible with waterproofing membranes and Australian site conditions.- From $91.95
- From $91.95
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Vendor: Enviro Pacific
EP Waterproof Supreme
One-coat penetrating treatment for concrete, brick, render and masonry. Sprays on (≤20 psi) at 4–6 m²/L, then cures to harden, densify and waterproof from within. Non-toxic, non-hazardous, non-flammable; compatible with conventional sealants, adhesives and paints.- From $150.00
- From $150.00
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Vendor: GCP
Epocote™ F100W Clear
Fast-curing, low-VOC epoxy primer for damp or green concrete. Features an extra-long pot life to minimise waste and is ideal for priming under waterproofing membranes or as a tough, clear sealer to prevent efflorescence on tiles.- From $387.03
- From $387.03
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