The rubber flanges are pounded into decking edges with a rubber mallet.
Rubber roof under deck.
Comments for building a floating deck on an epdm rubber roof surface.
Although it s a waterproof roofing material it has an extra quality.
There is not much you can do about the slope of the roof surface.
First mark all the purlin locations on the deck joists.
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.
Michael chotiner hometips.
Rooftop deck flooring is specially designed to not puncture or tear the waterproof membrane of a flat top 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.
Lower than the purlin along the house 12 x 1 4 3.
Deck over rubber roof.
Dexedry flanges are designed to act as spacers between boards and also as mini gutters to channel water toward deck edges.
Then stretch a string between them.
Incorporate the actual support blocks into the roofing system then build the deck from your support blocks.
Install the purlin along the house and the outer purlin.
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.
Basicly making the support areas penetrations consult or hire roofer for this part.
Without any slope you are going to have to entirely rely on the integrity of the epdm to protect your roof.