How Thick Is Roof Sheathing

Spacer type panel edge clips are available from some manufacturers.

How thick is roof sheathing.

Standard roof sheathing which consists of 4 by 8 sheets of plywood or oriented strand board or osb is 1 2 inch thick and attaches directly to the roof rafters or the roof trusses. An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof. The inch thick boards extend from the eaves just past the exterior walls where they butt up against the plywood roof sheathing. Most roofs will be sheathed in plywood at least 3 8 inch thick.

Never attach roof sheathing with staples. Sheathing should be a minimum of 19 32 inch thick. Roof sheathing panel spacing hints. Advantech sheathing 5 8 cat ps2 10 osb sheathing application as 4 x 8.

Installation manual zip system sheathing wall and roof zip system sheathing and tape fact sheet integrated sheathing or housewrap white paper zip system brand brochure house of brands brochure view all. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. The typical thickness range for sheathing is 3 8 to 3 4 inch. Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away.

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. Use a 10d box 0 128 inch by 3 inch nail as a spacer to gauge 1 8 inch edge and end spacing between panels. Roof material then covers all. That s considered to be the minimum.

Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. Get free estimates from local roofing contractors. A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.