How Do Redwood Sleepers Attach To Roof

In addition the wood will deteriorate and rot from weathering and biological attack.

How do redwood sleepers attach to roof.

This will finish the roof of your pergola. Sleepers are placed between the deck surface and the ground or slab below it. 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. A set of sleepers supports the decking and allows moisture and air to flow below it.

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. The weight of the deck keeps it down and solid. 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. 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.

Galvanized sheet metal bent at a 90 degree angle i e. Line all 8 of the slats a 1 foot 0 30 m apart and drive a nail into each end of the slats. Loose laid sleepers are subject to movement over time causing pipes to bend and contort. By the same token cutting a 2 x 10 down to 7 1 4 does not make it a 2 x 8.

It makes it an ungraded piece of wood. Strengthing joists with sleepers no because span codes do not interpret assemblies. Posted march 4 2017 filed under roof installation roof repair maintenance. You could do the same with a piece of non granular modified bitumen.

This flashing is typically field fabricated from a sheet of 26 ga. 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. York does not recommend vibration isolation be pro vided on both the fan skid inside the unit and the curb. We do ours over rubber with a piece of scrap rubber glued to the bottom of each sleeper.

Bent into an l shape. Thus the york curb does not include a counter fl ashing receiver. Nail 8 top slats into the rafters. 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 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. 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. Deck must be designed to ensure that proper drainage and air flow are maintained.

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.