Keep in mind that the load of the roof still plays a role in the plywood thickness.
Roof plywood thickness ontario.
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.
Minimum thickness mm 1 with supports 610 mm o c.
It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.
Never attach roof sheathing with staples.
You can get plywood sheets with a length of up to 10 feet.
The ontario building code thickness or rating 9 23 15 7.
8d ring shank nails should be used instead.
Small best plywood for rv roof repair services done today can cost you state 400.
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.
Astm c1396 c1396m.
Loads will vary with the pitch of the roof.
The standard width is 4 feet.
You might be tempted to choose a inch thickness although it s unnecessary in most cases.
All of my experience is in southern ontario so the info that follows is based upon that.
Many homes have rafters that are even wider at 24 inches apart and will require a thicker sheet of plywood.
Mineral fibre rigid board type 2.
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.
Sheathing should be a minimum of 19 32 inch thick.
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.
Minimum thickness mm 1 with supports 406 mm o c.
When this is the case experts recommend a 5 8 inch thick sheet.
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.
10 pitch is just over a 2 12 slope which is very shallow.
That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
Rafters you are fine going with 1 2 plywood or 7 16 inch on the 30 pitch approx 7 12 slope.
