How Do Redwood Sleepers Attach To Roof

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.

How do redwood sleepers attach to roof.

This flashing is typically field fabricated from a sheet of 26 ga. 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. This is the standard gapping for duralife products air should be allowed free movement under the structure do not. Thus the york curb does not include a counter fl ashing receiver.

Strengthing joists with sleepers no because span codes do not interpret assemblies. This will finish the roof of your pergola. All wear boards on top are screwed to the sleepers below with 2 1 2 screws through 1 1 2 deck boards. 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.

Deck must be designed to ensure that proper drainage and air flow are maintained. The weight of the deck keeps it down and solid. A set of sleepers supports the decking and allows moisture and air to flow below it. Never attach roof ashing directly to a york rooftop unit.

Roof top deck with sleeper system install guide. 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. Loose laid sleepers are subject to movement over time causing pipes to bend and contort. York does not recommend vibration isolation be pro vided on both the fan skid inside the unit and the curb.

York does not provide roof system materials required in the fl ashing of a structural member through a roof deck. 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. Bent into an l shape. 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.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. You could do the same with a piece of non granular modified bitumen. 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. It makes it an ungraded piece of wood.

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. In addition the wood will deteriorate and rot from weathering and biological attack. By the same token cutting a 2 x 10 down to 7 1 4 does not make it a 2 x 8. We do ours over rubber with a piece of scrap rubber glued to the bottom of each sleeper.

Line all 8 of the slats a 1 foot 0 30 m apart and drive a nail into each end of the slats. Nail 8 top slats into the rafters.