How To Waterproof Concrete Roof Deck

Allow the vapor barrier to dry before you add a second coat.

How to waterproof concrete roof deck.

When waterproofing concrete a topical sealer is applied to the surface of the concrete. That s unfortunate because building a reliable long lasting waterproof deck over living space is relatively straightforward when the best practices and materials are used. Pour your chosen vapor barrier into a paint sprayer after the primer is dry and liberally spray an even coat onto the concrete roof. Work systematically from one end to the other spraying in lines.

Applying gacodeck adds the waterproofing layer to a roof deck. The sealer is impermeable provided it is applied correctly and forms a waterproof membrane around the concrete preventing moisture from entering the concrete. There are a number of icc es listed manufacturers of class a walking deck systems see class a fire resistant walking and roof deck systems sidebar. A roof deck supports the roof elements but does not provide complete protection.

Topical sealers can be made from acrylic epoxy and polyurethane based materials. Gacodeck coatings provide an added measure of safety with slip resistant granules. Simpler than membrane and ceiling systems waterproof decking flanges offer an effective means of diverting water that would otherwise drain through conventionally spaced deck boards. While having a roof deck is a great way to increase living entertaining space one of the biggest issues that many homeowners experience is frequent leaks.

Properly waterproofing a roof deck is often a challenge because the materials used most frequently either epdm rubber or a tar built up material do not offer solid protection against leaks. However there is a much better longer.