Roof Plywood Thickness Ontario

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.

Roof plywood thickness ontario.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Most roofs will be sheathed in plywood at least 3 8 inch thick. We have drastically varying snow loads in ontario depending on where you are. Keep in mind that the load of the roof still plays a role in the plywood thickness.

The standard width is 4 feet. Minimum thickness mm 1 with supports 406 mm o c. You can get plywood sheets with a length of up to 10 feet. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Allow them become larger troubles as well as roofing substitute simply months from currently implies you invest 4 also 5 numbers. When this is the case experts recommend a 5 8 inch thick sheet. Never attach roof sheathing with staples. All of my experience is in southern ontario so the info that follows is based upon that.

Minimum thickness mm 1 with supports 610 mm o c. Loads will vary with the pitch of the roof. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal. Sheathing should be a minimum of 19 32 inch thick.

Small best plywood for rv roof repair services done today can cost you state 400. Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood. Rafters you are fine going with 1 2 plywood or 7 16 inch on the 30 pitch approx 7 12 slope. You might be tempted to choose a inch thickness although it s unnecessary in most cases.

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. The ontario building code thickness or rating 9 23 15 7. Mineral fibre rigid board type 2. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.

Astm c1396 c1396m. 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. 10 pitch is just over a 2 12 slope which is very shallow.