For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.
Standard roof sheathing size.
The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.
Roof sheathing materials plywood.
That s considered to be the minimum.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
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.
And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity.
3 8 apa rated sheathing is typically rated for a 24 span distance between rafters in a roof.
Never attach roof sheathing with staples.
Comes in standard 4 by 8 foot sheets is strong.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
Sheathing should be a minimum of 19 32 inch thick.
If you re in search of quotes for a roof sheathing job improvenet can put you in touch with up to four local contractors for free.