Rubber Roof Under Deck

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.

Rubber roof under deck. Dexedry flanges are designed to act as spacers between boards and also as mini gutters to channel water toward deck edges. Comments for building a floating deck on an epdm rubber roof surface. Dexedry rubber flanges fit into flanges grooved into the edges of decking boards. Incorporate the actual support blocks into the roofing system then build the deck from your support blocks.

Therefore allowing drainage under the deck. 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. Without any slope you are going to have to entirely rely on the integrity of the epdm to protect your roof. If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.

Deck over rubber roof. Although it s a waterproof roofing material it has an extra quality. Rooftop deck flooring is specially designed to not puncture or tear the waterproof membrane of a flat top roof. Basicly making the support areas penetrations consult or hire roofer for this part.

That means water will pool somewhere over such a large surface. The rubber flanges are pounded into decking edges with a rubber mallet. 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. Then stretch a string between them.

Lower than the purlin along the house 12 x 1 4 3. Install the purlin along the house and the outer purlin.