Retaining Walls & Basements
Waterproof below-ground walls with suitable membrane, detailing, protection and drainage systems.
Explore systemsFind the right waterproofing products for the area, substrate and conditions you’re working with.
Waterproof below-ground walls with suitable membrane, detailing, protection and drainage systems.
Explore systems
Build compliant internal wet-area systems from substrate preparation through membrane and drainage detailing.
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Select external membrane systems to suit the substrate, falls, exposure, finish and traffic conditions.
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Waterproof planter boxes with systems suited to moisture exposure, drainage and root-zone conditions.
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Find repair mortars, crack-treatment products and injection systems for concrete defects and water ingress.
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Select membrane systems for exposed roofs, decks and other weather-exposed external areas.
Explore systemsCompare cementitious, bituminous and polyurethane membrane options for your retaining wall.
A mineral membrane pathway considered for sound concrete or masonry where preparation, pressure exposure, curing and protection can be addressed.
A bituminous pathway considered where the accessible wall face can be detailed, waterproofed, protected and drained before backfilling.
A polyurethane pathway that must be selected as one documented primer, membrane, detailing and protection assembly.
Frequently selected products for defined waterproofing, remedial and drainage applications.
Help reduce rainwater absorption and water staining on compatible porous masonry surfaces.
View H2O Guard 290
A transparent maintenance option for suitable tiled balconies and showers where the existing finish is retained.
View ACTFLEX 400
A two-part cementitious membrane for nominated internal, external and below-ground waterproofing applications.
View ACTFLEX 989
A trade-focused membrane option for compatible exposed external and internal waterproofing applications.
View UV SPEC
A WaterMark-certified magnetic drain seal for compatible floor wastes and drainage outlets.
View MAGdrainFrequently selected waterproofing products, repair materials and drainage components.
Tell H2O Supplies what you are waterproofing, the substrate and the site conditions. We can help narrow the product pathway and sequence. Formal specifications and remedial reporting remain separate consultancy services.