How Do Redwood Sleepers Attach To Roof

We do ours over rubber with a piece of scrap rubber glued to the bottom of each sleeper.

How do redwood sleepers attach to roof. Deck must be designed to ensure that proper drainage and air flow are maintained. 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. Never attach roof ashing directly to a york rooftop unit. 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.

By the same token cutting a 2 x 10 down to 7 1 4 does not make it a 2 x 8. All wear boards on top are screwed to the sleepers below with 2 1 2 screws through 1 1 2 deck boards. Posted march 4 2017 filed under roof installation roof repair maintenance. 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. 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. 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.

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. 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. Nail 8 top slats into the rafters. You could do the same with a piece of non granular modified bitumen.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. 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. Loose laid sleepers are subject to movement over time causing pipes to bend and contort. Sleepers are placed between the deck surface and the ground or slab below it.

In addition the wood will deteriorate and rot from weathering and biological attack. Galvanized sheet metal bent at a 90 degree angle i e. This is the standard gapping for duralife products air should be allowed free movement under the structure do not. York does not provide roof system materials required in the fl ashing of a structural member through a roof deck.

This flashing is typically field fabricated from a sheet of 26 ga. Strengthing joists with sleepers no because span codes do not interpret assemblies. The weight of the deck keeps it down and solid. Bent into an l shape.

It makes it an ungraded piece of wood. Roof top deck with sleeper system install guide.