Roof Plywood Thickness Ontario

Small best plywood for rv roof repair services done today can cost you state 400.

Roof plywood thickness ontario.

The ontario building code thickness or rating 9 23 15 7. 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. When this is the case experts recommend a 5 8 inch thick sheet. 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.

Sheathing should be a minimum of 19 32 inch thick. Most roofs will be sheathed in plywood at least 3 8 inch thick. Minimum thickness mm 1 with supports 406 mm o c. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Loads will vary with the pitch of the roof. Never attach roof sheathing with staples. You might be tempted to choose a inch thickness although it s unnecessary in most cases. Minimum thickness mm 1 with supports 610 mm o c.

Rafters you are fine going with 1 2 plywood or 7 16 inch on the 30 pitch approx 7 12 slope. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads. 10 pitch is just over a 2 12 slope which is very shallow. All of my experience is in southern ontario so the info that follows is based upon that.

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. 8d ring shank nails should be used instead. Allow them become larger troubles as well as roofing substitute simply months from currently implies you invest 4 also 5 numbers. Astm c1396 c1396m.

Keep in mind that the load of the roof still plays a role in the plywood thickness. Mineral fibre rigid board type 2. A flatter roof with rafters farther apart may need a thickness of up to inch. We have drastically varying snow loads in ontario depending on where you are.

Astm c1177 c1177m. The standard width is 4 feet. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.