Rubber Roof Under Deck

First mark all the purlin locations on the deck joists.

Rubber roof under deck.

Basicly making the support areas penetrations consult or hire roofer for this part. Therefore allowing drainage under the deck. Deck over rubber roof. Comments for building a floating deck on an epdm rubber roof surface.

Incorporate the actual support blocks into the roofing system then build the deck from your support blocks. The rubber flanges are pounded into decking edges with a rubber mallet. There is not much you can do about the slope of the roof surface. Install the purlin along the house and the outer purlin.

If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in. Lower than the purlin along the house 12 x 1 4 3. There are several commercially available under deck drainage systems including some that can be retrofit to an existing deck but on new decks i prefer to fabricate my own system using an epdm synthetic rubber roofing membrane and standard aluminum gutter parts. Dexedry flanges are designed to act as spacers between boards and also as mini gutters to channel water toward deck edges.

We all know the different types of roofing material asphalt wood metal etc but there s one type of roofing material that s just a bit different than the rest. Michael chotiner hometips. Most modern flat top roofs are sealed with a single ply rubber membrane that is meant to protect the roof from leaks and water damage. Dexedry rubber flanges fit into flanges grooved into the edges of decking boards.

Rooftop deck flooring is specially designed to not puncture or tear the waterproof membrane of a flat top roof. That means water will pool somewhere over such a large surface.