1 2 Plywood Decking For Roofs

Provides exceptional dimensional stability and stiffness.

1 2 plywood decking for roofs.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. It will support roof. Oriented strand board 660663 the home depot. Severe weather 1 2 in common douglas fir plywood sheathing.

A is smooth and knot free while d the lowest quality has missing knots and cracks. Plywood typically comes in 4 8 ft. For pricing and availability. Comes in standard 4 by 8 foot sheets is strong durable and relatively light.

Foot and with a maximum of spacing of 16 inches between rafters. As a quick primer in plywood each side is rated from a to d. After the 1960s the predominant residential roofing substrate became 1 2 cdx plywood. The common grade of plywood for roof sheathing is cdx.

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. It also holds roofing nails well. Steeper rather than flatter roofs will have lesser load per sq. Cdx ground contact pressure treated plywood model 131876 45 98 45 98.

For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it. Open spaces form between the once tightly fitted shiplap boards. 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. Today a shiplap roof is usually 60 years old.

Roofs plywood. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle. Sheet with varying thickness.

Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8. The minimum thickness of plywood used for roofing is 3 8 th of an inch. 3 4 plywood 4x8 3 8 plywood plywood subflooring plywood roof sheathing 48 24 sheathing plywood 3 4 in. This kind of plywood can be used on roofs with minimal load.