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.
How do redwood sleepers attach to roof.
It makes it an ungraded piece of wood.
York does not recommend vibration isolation be pro vided on both the fan skid inside the unit and the curb.
Slope the roofing 1 2 per foot and do not then taper the decking sleepers use 1 x or 2x on flat to moer tna double the surface area bearing on the membrane.
Nail 8 top slats into the rafters.
The weight of the deck keeps it down and solid.
By the same token cutting a 2 x 10 down to 7 1 4 does not make it a 2 x 8.
Deck must be designed to ensure that proper drainage and air flow are maintained.
The screws or lags should be as long as possible without protruding from the bottom of the sleepers and putting holes in the roof membrane.
It is essential to place 2x12 blocking on the flat between the sleepers at post locations so the lags will have something solid to bite into.
This will finish the roof of your pergola.
Line all 8 of the slats a 1 foot 0 30 m apart and drive a nail into each end of the slats.
Roof deck sleeper attachment you don t want to secure the secure the decking pieces to the deck keep them loose and small enough to lift for maintenance.
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.
Sleepers are placed between the deck surface and the ground or slab below it.
Posted march 4 2017 filed under roof installation roof repair maintenance.
Thus the york curb does not include a counter fl ashing receiver.
A set of sleepers supports the decking and allows moisture and air to flow below it.
Galvanized sheet metal bent at a 90 degree angle i e.
You could do the same with a piece of non granular modified bitumen.
All wear boards on top are screwed to the sleepers below with 2 1 2 screws through 1 1 2 deck boards.
Roof top deck with sleeper system install guide.
This is the standard gapping for duralife products air should be allowed free movement under the structure do not.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
In addition the wood will deteriorate and rot from weathering and biological attack.
York does not provide roof system materials required in the fl ashing of a structural member through a roof deck.
We do ours over rubber with a piece of scrap rubber glued to the bottom of each sleeper.
The top slats can be thinner pieces of wood or 1 by 2 inches 2 5 cm 5 1 cm thick and 8 feet 2 4 m long.
Loose laid sleepers are subject to movement over time causing pipes to bend and contort.
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.
This flashing is typically field fabricated from a sheet of 26 ga.
