Im building a deck over a single membrane flat roof and the architect has stipulated styrofoam blocks under the sleepers.
Sleeper for building roof.
Hi guys the building inspector wrote on the elevation plans that we need roof sleepers for our gable dormers.
Rooftop decking attaches to treated wood sleepers separated from the roofing by strips of epdm.
A properly constructed epdm roof should last 40 or more years.
I can t seem to find much about them online.
1 4 6 4 mm minimum gap where the decking meets a solid wall maximum of 3 8 9 5 mm recommended.
Starting with a 1 4 inch gap along the walls mark the sheet with a felt marker at 16 inch intervals.
Building a roof dormer is an ambitious and challenging project.
The gable dormers we built are 6 ft.
This is the standard gapping for duralife products.
Decking laid directly over packed soil will rot quickly and wood laid over concrete rots as well when moisture is trapped between the two materials.
Snap chalklines to help you position the sleepers.
Stainless steel finish nails fasten the mahogany decking between the decking and the post and help with the decking down the rest of the job was the same as any.
3 16 4 8 mm gap between boards.
The weight of the deck is all that is needed to keep it there.
A set of sleepers supports the decking and allows moisture and air to flow below it.
If you re a little unsure of your rough framing or roofing skills hire a carpenter to help with this phase of the roof dormer project.
What are they exactly.
The weight of the deck is what keeps it on the roof.
A sleeper deck is simply a deck that is not attached to anything.
The best way is to construct a sleeper deck.
Sleepers and the roof.
Also any handrails or posts for the deck are attached to the sleeper deck frame so that no penetrations go through the roof surface.
Sleepers are placed between the deck surface and the ground or slab below it.
Nail down the decking.
Roof top deck with sleeper system install guide deck must be designed to ensure that proper drainage and air flow are maintained.
The sleepers aren t fastened in place and the floor floats.
Set out the sleepers along the perimeter of the room and in their approximate locations across the rest of the floor cutting them to length as necessary.