1 2 Plywood Decking For Roofs

For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.

1 2 plywood decking for roofs.

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. Severe weather 1 2 in common douglas fir plywood sheathing. After the 1960s the predominant residential roofing substrate became 1 2 cdx plywood.

Oriented strand board 660663 the home depot. Sheet with varying thickness. Roof sheathing materials plywood. Today a shiplap roof is usually 60 years old.

It will support roof. Steeper rather than flatter roofs will have lesser load per sq. Open spaces form between the once tightly fitted shiplap boards. It also holds roofing nails well.

Plywood typically comes in 4 8 ft. This kind of plywood can be used on roofs with minimal load. Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing. The minimum thickness of plywood used for roofing is 3 8 th of an inch.

Provides exceptional dimensional stability and stiffness. As a quick primer in plywood each side is rated from a to d. 3 4 plywood 4x8 3 8 plywood plywood subflooring plywood roof sheathing 48 24 sheathing plywood 3 4 in. A is smooth and knot free while d the lowest quality has missing knots and cracks.

Cdx ground contact pressure treated plywood model 131876 45 98 45 98. The common grade of plywood for roof sheathing is cdx. For pricing and availability. Foot and with a maximum of spacing of 16 inches between rafters.

The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. Roofs plywood. Over time shiplap fir wood resin dissipates causing the boards to shrink crack form knot holes and become extremely brittle. For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.