Michael chotiner hometips.
Rubber roof under deck.
Then stretch a string between them.
Although it s a waterproof roofing material it has an extra quality.
Lower than the purlin along the house 12 x 1 4 3.
That means water will pool somewhere over such a large surface.
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.
Rooftop deck flooring is specially designed to not puncture or tear the waterproof membrane of a flat top roof.
Install the purlin along the house and the outer purlin.
There is not much you can do about the slope of the roof surface.
First mark all the purlin locations on the deck joists.
Dexedry rubber flanges fit into flanges grooved into the edges of decking boards.
Without any slope you are going to have to entirely rely on the integrity of the epdm to protect your roof.
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.
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.
Therefore allowing drainage under the deck.
Comments for building a floating deck on an epdm rubber roof surface.
The rubber flanges are pounded into decking edges with a rubber mallet.
Basicly making the support areas penetrations consult or hire roofer for this part.