1 2 Plywood Decking For Roofs

Severe weather 1 2 in common douglas fir plywood sheathing.

1 2 plywood decking for roofs.

Today a shiplap roof is usually 60 years old. 1 500 32 46 875 sheets it will be a good idea to get an extra few sheets of plywood when ordering to allow for waste and off cuts. 3 4 plywood 4x8 3 8 plywood plywood subflooring plywood roof sheathing 48 24 sheathing plywood 3 4 in. Roof sheathing materials plywood.

Open spaces form between the once tightly fitted shiplap boards. Foot and with a maximum of spacing of 16 inches between rafters. It will support roof. This kind of plywood can be used on roofs with minimal load.

Before lumber companies began selling osb the standard choice for sheathing a roof with a 24 inch rafter spacing was 1 2 inch cdx plywood the letters cdx indicate that it is construction grade. Visual filter title loading. For pricing and availability. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

Provides exceptional dimensional stability and stiffness. A is smooth and knot free while d the lowest quality has missing knots and cracks. Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8. Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing.

It also holds roofing nails well. Roofs plywood. As a quick primer in plywood each side is rated from a to d. Steeper rather than flatter roofs will have lesser load per sq.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Oriented strand board 660663 the home depot. For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it. Plywood typically comes in 4 8 ft.

Cdx ground contact pressure treated plywood model 131876 45 98 45 98. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. After the 1960s the predominant residential roofing substrate became 1 2 cdx plywood. Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle.