1 2 Plywood Decking For Roofs

A is smooth and knot free while d the lowest quality has missing knots and cracks.

1 2 plywood decking for roofs.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. 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. Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing. The common grade of plywood for roof sheathing is cdx.

For pricing and availability. This kind of plywood can be used on roofs with minimal load. Comes in standard 4 by 8 foot sheets is strong durable and relatively light. Steeper rather than flatter roofs will have lesser load per sq.

Visual filter title loading. Sheet with varying thickness. Roofs plywood. It will support roof.

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. For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended. Plytanium 23 32 cat ps1 09 square structural pine sheathing application as 4 x 8.

Plywood typically comes in 4 8 ft. 3 4 plywood 4x8 3 8 plywood plywood subflooring plywood roof sheathing 48 24 sheathing plywood 3 4 in. It also holds roofing nails well. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

Severe weather 1 2 in common douglas fir plywood sheathing. Oriented strand board 660663 the home depot. Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle. 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. Provides exceptional dimensional stability and stiffness. Open spaces form between the once tightly fitted shiplap boards. Cdx ground contact pressure treated plywood model 131876 45 98 45 98.