Standard Sheet Of Roof Sheathing D

For rafters spaced 20 or more inches apart 1 2 or 5 8 inch plywood is recommended.

Standard sheet of roof sheathing d.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. It will support roof. 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. The common grade of plywood for roof sheathing is cdx.

Sheathing should be a minimum of 19 32 inch thick. As a quick primer in plywood each side is rated from a to d. That s considered to be the minimum. Slide the sheet one rafter width over the end of the roof so the edge is centered on the next.

8d ring shank nails should be used instead. Thickness will range from 3 8 to 3 4 inch depending upon local code. The most common rafter spacing is 24 inches and 5 8 inch plywood is recommended for that. The typical thickness range for sheathing is 3 8 to 3 4 inch.

Roof sheathing thickness unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. Never attach roof sheathing with staples. One side is usually better quality than the other c in this case. A is smooth and knot free while d the lowest quality has missing knots and cracks.

When ordering the sheathing divide the total number of square feet of roof surface by 32 square feet a 4 x 8 panel and add an extra 15 for waste.