The best way is to construct a sleeper deck.
Sleeper for building roof.
The weight of the deck is all that is needed to keep it there.
Also any handrails or posts for the deck are attached to the sleeper deck frame so that no penetrations go through the roof surface.
You should have a few remodeling projects under your belt before tackling a task this big and complex.
Rooftop decking attaches to treated wood sleepers separated from the roofing by strips of epdm.
A set of sleepers supports the decking and allows moisture and air to flow below it.
I can t seem to find much about them online.
Im building a deck over a single membrane flat roof and the architect has stipulated styrofoam blocks under the sleepers.
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.
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.
1 4 6 4 mm minimum gap where the decking meets a solid wall maximum of 3 8 9 5 mm recommended.
What are they exactly.
This is the standard gapping for duralife products.
Sleepers and the roof.
Roof top deck with sleeper system install guide deck must be designed to ensure that proper drainage and air flow are maintained.
A sleeper deck is simply a deck that is not attached to anything.
Starting with a 1 4 inch gap along the walls mark the sheet with a felt marker at 16 inch intervals.
The weight of the deck is what keeps it on the roof.
The sleepers aren t fastened in place and the floor floats.
Hi guys the building inspector wrote on the elevation plans that we need roof sleepers for our gable dormers.
The trick for me is a method for attaching posts to attach handrail to the deck.
The gable dormers we built are 6 ft.
Nail down the decking.
Sleepers are placed between the deck surface and the ground or slab below it.
Building a roof dormer is an ambitious and challenging project.
It s best to build the wooden deck in removable sections for cleaning and maintenance of the rubber roof and repair of the membrane if ever needed.
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.