Nail down the decking.
Roof wood sleepers.
Treated and untreated wood sleepers come in a range of sizes because nearly any solid piece of.
Concrete and metal sleepers work well for building retaining walls but these materials are too hard to attach normal deck boards to for a basic deck.
This low slope tpo roof on a public school building in michigan shows the flaws of using wood sleepers and the advantages of solar hvac knuckleheads for pipe supports.
And remember don t drive screws down through your flat roof.
Loose laid sleepers are subject to movement over time causing pipes to bend and contort.
I wouldn t use anything but treated lumber or even a composite or pvc material for the sleepers.
But wood sleepers are on the way out because time has exposed numerous problems.
Sleepers come in a variety of materials but only wood sleepers are regularly used in deck building.
Roof top deck with sleeper system install guide.
Products for wood roofing maximum stretch ames maximum stretch is a thick high quality rubber and acrylic elastomeric roof coating designed specifically for waterproofing repairing and maintaining many different types of roofs.
Sleepers and the roof.
That way your deck boards will run perpendicular to your radial sleepers.
This is the standard gapping for duralife products air should be allowed free movement under the structure do not.
For many applications a layer of plywood underneath your metal roofing is an unnecessary expense.
Pine is not an ideal material for decking kind of a soft wood and tends to be knotty.
Even treated wood degrades when impregnated chemicals leach out of wood there is no greater exposure to the cycles of weather and seasons than the roof and wood sleepers are in the crosshairs.
Wood blocks typically have to be replaced over the life of the roof.
In addition the wood will deteriorate and rot from.
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.
Deck must be designed to ensure that proper drainage and air flow are maintained.