How is this typically done.
Rubber roofing under deck.
Without any slope you are going to have to entirely rely on the integrity of the epdm to protect your roof.
I ve been told to use foam sleepers beneath the wood deck to prevent damaging the rubber membrane.
Deck over rubber roof.
Incorporate the actual support blocks into the roofing system then build the deck from your support blocks.
That means that not only does it act as a roof for the underlying structure it also acts as a deck membrane.
Under deck ceiling systems provide an all in one drainage and ceiling finish that is particularly suitable for areas beneath a deck that are high enough off the ground to provide a sheltered outdoor living space below.
Therefore allowing drainage under the deck.
The best material would be light gauge 45 in epdm a synthetic rubber used for roofing.
The roof has a minimal pitch of somewhere around 3.
Although it s a waterproof roofing material it has an extra quality.
Comments for building a floating deck on an epdm rubber roof surface.
Does the foam run the entire length of each joist or can i put it under posts.
How do i keep the deck from sliding off the roof in a gale.
Here s how tufdek waterproof decking stands out on a flat roof deck.
There is not much you can do about the slope of the roof surface.
Elevated patio spaces can provide a luxurious outdoor sanctuary that rests above the chaos of the city and or the street.
Roofing felt would be difficult to fashion into troughs and prone to tearing.
That means water will pool somewhere over such a large surface.
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.
It is very durable uv resistant and easy to work with.
Materials required fiberglass panels gutter and downspout pressure treated 2x4s roofing screws.