Thickness Of Exterior Plywood On Roof

Sheathing should be a minimum of 19 32 inch thick.

Thickness of exterior plywood on roof.

Never attach roof sheathing with staples. Plywood typically comes in 4 8 ft. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. What plywood should you use for a roof.

So what size plywood should you use for your roof. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the. 1 inch 25 4 mm. Sheet with varying thickness.

The typical thickness range for sheathing is 3 8 to 3 4 inch. This plywood is strong and durable enough for use in roofing framing and other exterior structural projects. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. Plywood with fewer plies is weaker than a plywood with more plies even if they have the same thickness.

Foot and with a maximum of spacing of 16 inches between rafters. The minimum thickness of plywood used for roofing is 3 8 th of an inch. Minimum plywood thickness the international residential code specifies 3 8 inch plywood for sheathing walls with a standard stud spacing of 16 inches if the siding is nailed to the studs through. There are several factors to consider.

Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. What size plywood for the roof. This kind of plywood can be used on roofs with minimal load. What size plywood should you use for your roof.

Keep in mind that the load of the roof still plays a role in the plywood thickness. A flatter roof with rafters farther apart may need a thickness of up to inch. Multi ply is a catchall term for plywood with seven or more plies. Steeper rather than flatter roofs will have lesser load per sq.

8d ring shank nails should be used instead.