How To Waterproof A Flat Roof Deck

How to waterproof a flat roof deck.

How to waterproof a flat roof deck.

But this potentially adds a significant load to the deck since the average 1 4 inch thick coating weighs about 2 1 2 pounds per square foot. That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane. One of the best choices for flat roof decks is pvc roofing material which is proven to be completely watertight durable and long lasting. Step 4 remove excess sealer.

Building waterproof roof decks. Some deck builders simply frame these decks flat and leave it to me to solve the problem by sloping the base coat of my cementitious coating like a giant shower pan. A roof deck supports the roof elements but does not provide complete protection. Make sure it s free of all dirt and debris.

The coating becomes an integral part of the surface and provides the necessary protection against the elements. Here s how tufdek waterproof decking stands out on a flat roof deck. Although it s a waterproof roofing material it has an extra quality. Applying gacodeck adds the waterproofing layer to a roof deck.

Roof decks are typically constructed so that a layer of waterproofing material is sandwiched between the roof substrate and a floating deck on top. Step 1 clean the deck. Any dirt and debris will keep your waterproofing sealer from sticking to the lumber.