Roof Plywood Thickness Ontario

Loads will vary with the pitch of the roof.

Roof plywood thickness ontario.

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. 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. Astm c1396 c1396m.

Rafters you are fine going with 1 2 plywood or 7 16 inch on the 30 pitch approx 7 12 slope. 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. Allow them become larger troubles as well as roofing substitute simply months from currently implies you invest 4 also 5 numbers.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Minimum thickness mm 1 with supports 406 mm o c. Minimum thickness mm 1 with supports 610 mm o c. All of my experience is in southern ontario so the info that follows is based upon that.

Sheathing should be a minimum of 19 32 inch thick. Most roofs will be sheathed in plywood at least 3 8 inch thick. 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. Never attach roof sheathing with staples.

We have drastically varying snow loads in ontario depending on where you are. Astm c1177 c1177m. You might be tempted to choose a inch thickness although it s unnecessary in most cases. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Keep in mind that the load of the roof still plays a role in the plywood thickness. 10 pitch is just over a 2 12 slope which is very shallow. The ontario building code thickness or rating 9 23 15 7. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.

8d ring shank nails should be used instead. The standard width is 4 feet. Mineral fibre rigid board type 2.