1 2 Plywood Decking For Roofs

Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing.

1 2 plywood decking for roofs.

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. 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. Cdx ground contact pressure treated plywood model 131876 45 98 45 98. The common grade of plywood for roof sheathing is cdx.

Foot and with a maximum of spacing of 16 inches between rafters. It will support roof. Plywood typically comes in 4 8 ft. Open spaces form between the once tightly fitted shiplap boards.

Today a shiplap roof is usually 60 years old. Severe weather 1 2 in common douglas fir plywood sheathing. 3 4 plywood 4x8 3 8 plywood plywood subflooring plywood roof sheathing 48 24 sheathing plywood 3 4 in. Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle.

After the 1960s the predominant residential roofing substrate became 1 2 cdx plywood. Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8. 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. As a quick primer in plywood each side is rated from a to d.

Roof sheathing materials plywood. Roofs plywood. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. For pricing and availability.

Oriented strand board 660663 the home depot. Visual filter title loading. Provides exceptional dimensional stability and stiffness. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.

Steeper rather than flatter roofs will have lesser load per sq. A is smooth and knot free while d the lowest quality has missing knots and cracks. Sheet with varying thickness. The minimum thickness of plywood used for roofing is 3 8 th of an inch.