Roof Plywood Thickness Ontario

Keep in mind that the load of the roof still plays a role in the plywood thickness.

Roof plywood thickness ontario.

Rafters you are fine going with 1 2 plywood or 7 16 inch on the 30 pitch approx 7 12 slope. We have drastically varying snow loads in ontario depending on where you are. 10 pitch is just over a 2 12 slope which is very shallow. 2 the thickness or rating of roof sheathing on a roof not used as a walking deck shall conform to either table 9 23 15 7 a.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Loads will vary with the pitch of the roof. Sheathing should be a minimum of 19 32 inch thick. The ontario building code thickness or rating 9 23 15 7.

The standard width is 4 feet. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal. Most roofs will be sheathed in plywood at least 3 8 inch thick. You can get plywood sheets with a length of up to 10 feet.

Minimum thickness mm 1 with supports 610 mm o c. The major factor to best plywood for rv roof repair is so you with any luck do not need to pay of changing a roof covering. Allow them become larger troubles as well as roofing substitute simply months from currently implies you invest 4 also 5 numbers. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.

All of my experience is in southern ontario so the info that follows is based upon that. Astm c1177 c1177m. 8d ring shank nails should be used instead. Never attach roof sheathing with staples.

Minimum thickness mm 1 with supports 406 mm o c. Mineral fibre rigid board type 2. Thickness or rating 1 the thickness or rating of roof sheathing on a flat roof used as a walking deck shall conform to either table 9 23 14 5 a. Small best plywood for rv roof repair services done today can cost you state 400.

Astm c1396 c1396m. A flatter roof with rafters farther apart may need a thickness of up to inch. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.