Sheathing should be a minimum of 19 32 inch thick.
How thick roof decking for shed.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.
You might get by with 7 16 plywood but even that would be iffy.
8d ring shank nails should be used instead.
Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood.
A 8 pieces of 2 4 lumber 65 1 4 2 piece 8 16 pieces 5 overhang.
Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof design.
The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the.
C 360 sq ft of roofing felt tar paper d 360 sq ft of roofing felt shingles e 4 pieces of 1 6 66 2 piece 209 1 2 2.
Osb roof decking thickness 7 16 1 2 or 5 8 if were using osb we get 9 16 we dont worry about getting both 7 16 and 9 16 for walls then the roof we just get all of the same.
7 16 osb really isn t adequate for your roof even if you re running rafters on 16 centers.
A roof that lays practically flat will have a much heavier load than a steeper roof that allows rain snow and ice to roll right off.
The more common roof thickness is 3 4 inch decking.
When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.
Post frames generally lack structural sheathing so the roof and wall panels must span between the supporting trusses or purlins.
B 14 sheets of 3 4 tongue and groove plywood 4 8 sheeting.
The typical thickness range for sheathing is 3 8 to 3 4 inch.
And hey it was on sale.
This way no worrying about grabbing scraps to fill in small spots and not having the correct thickness.
Because 22 24 or 26 gauge sheeting is thicker and will therefore remain more structurally sound over a longer span than a 29 gauge the building needs fewer supports which saves your customers money.
I put 5 8 osb on the roof of the 8x12 shed i built this summer 16 centered rafters.