Roof Sheeting Thickness

Roof sheathing panel spacing hints.

Roof sheeting thickness.

1 inch 25 4 mm. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively. Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.

And if you re still wondering what roof sheathing is and what materials are typically used read on and satisfy your curiosity. 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. A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather. 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.

Osb roof decking thickness 7 16 1 2 or 5 8 if were using osb we get 9 16 we dont worry about getting both 7 16 and 9 16 for walls then the roof we just get all of the same. Comes in standard 4 by 8 foot sheets is strong. Spacer type panel edge clips are available from some manufacturers. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.

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. 8d ring shank nails should be used instead. If your roof is more on the flatter side then it s. 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.

Roof sheathing materials plywood. This way no worrying about grabbing scraps to fill in small spots and not having the correct thickness. Sheathing should be a minimum of 19 32 inch thick. Never attach roof sheathing with staples.