How To Waterproof Concrete Roof Deck

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

How to waterproof concrete roof deck.

Dexedry flanges are designed to act as spacers between boards and also as mini gutters to channel water toward deck edges. 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. Gacodeck coatings provide an added measure of safety with slip resistant granules. However there is a much better longer.

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. 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. A roof deck supports the roof elements but does not provide complete protection. When waterproofing concrete a topical sealer is applied to the surface of the concrete.

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. Pour your chosen vapor barrier into a paint sprayer after the primer is dry and liberally spray an even coat onto the concrete roof. Overlap the previous line every time you start a new one. Work systematically from one end to the other spraying in lines.

The coating becomes an integral part of the surface and provides the necessary protection against the elements. 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.