Concrete Waterproofing
Concrete is a high-pH, often damp substrate, and a coating has to bond and stay watertight through thermal cycling, water intrusion, and load. Coatings Supply carries the GAF coatings rated for waterproofing concrete across the building envelope: walls, slabs, roof decks, balconies, plazas, foundations.
For roof-deck concrete, the GAF Premium Acrylic HydroStop system over Epoxy Primer is the fully-reinforced standard, wind-uplift tested at -610 PSF. For lightweight concrete decks, NOA 23-0327.10 specifies BarrierGuard Surface Coating plus SureBond Primer before HydroStop. For below-grade waterproofing, balcony overburden, or tile-over assemblies, Surface Seal SB is the thermoplastic rubber answer. For concrete walls and masonry, GAF Bonding Primer or SureBond plus an elastomeric topcoat handles UV, water, and chalking.
For the focused roof-deck deep dive, see Over Concrete. Factory-direct from a GAF-authorized distributor.
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