The best way is to construct a sleeper deck.
Flat roof deck sleepers.
You can do a floating deck and is really your only option.
The sleepers were not fastened to the roof and floated.
There are proprietary pedestal systems that provide a very stable level and serviceable deck over a roof membrane though they are relatively expensive compared to conventional methods.
This is the standard gapping for duralife products air should be allowed free movement under the structure do not.
So your deck has a drain in the middle with four planes sloping to it that is a bit of a head scratcher.
The deck was trapped in place by the metal railing that penetrated the roof and skirting around the edge.
Flat roofs with easy access are great for creating an outdoor living space.
1 4 6 4 mm minimum gap where the decking meets a solid wall maximum of 3 8 9 5 mm recommended 3 16 4 8 mm gap between boards.
Many homes in new england have walk on flat roof decks with living space under them and 90 percent of these deck roofs leak ruining your rooms.
Then you will install sleepers or flat 2x6s laid flat every 16 on top of the roof surface.
This will provide the surface for you to attach the decking.
I did one like that before flat roof with epdm.
The last thing you want to do is stop that water from flowing off the roof deck so your sleepers must run parallel to the slope of your roof which will mean setting the sleepers in a radial pattern like spokes on a wheel.
Roof top deck with sleeper system install guide.
However i would highly recommend that you consider a that the epdm is lying flat on the roof subfloor without any sharp objects that can puncture the edpm once sleepers are laid over top and placed under load.
Stains on sheet rock ceilings popping hardwood flooring wet carpets and rotted framing are just some of the damages that you may sustain as a result of these leaks.
Deck must be designed to ensure that proper drainage and air flow are maintained.
In this video we show you the installation of trex decking over a flat roof using the tiger claw hidden fastener system.
A sleeper deck is simply a deck that is not attached to anything.
One issue that many people question me about is how to create a deck that is functional without compromising the waterproof roof surface.