For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.
Standard roof sheathing size.
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.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 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.
8d ring shank nails should be used instead.
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.
This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load.
3 8 apa rated sheathing is typically rated for a 24 span distance between rafters in a roof.
Roof sheathing materials plywood.
Comes in standard 4 by 8 foot sheets is strong.
The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that.
And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity.