How Thick Roof Decking For Shed

Post frames generally lack structural sheathing so the roof and wall panels must span between the supporting trusses or purlins.

How thick roof decking for shed.

In order to build an l shaped shed roof you need to use the following. 7 16 osb really isn t adequate for your roof even if you re running rafters on 16 centers. 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. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood.

B 14 sheets of 3 4 tongue and groove plywood 4 8 sheeting. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. 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. Never attach roof sheathing with staples.

A 8 pieces of 2 4 lumber 65 1 4 2 piece 8 16 pieces 5 overhang. The more common roof thickness is 3 4 inch decking. You might get by with 7 16 plywood but even that would be iffy. 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.

This way no worrying about grabbing scraps to fill in small spots and not having the correct thickness. However you may need to consider bolstering the plywood thickness for a roof that has a higher load. 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. 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.

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 typical thickness range for sheathing is 3 8 to 3 4 inch. I put 5 8 osb on the roof of the 8x12 shed i built this summer 16 centered rafters. Sheathing should be a minimum of 19 32 inch thick.