How Thick Roof Decking For Shed

8d ring shank nails should be used instead.

How thick roof decking for shed.

Sheathing should be a minimum of 19 32 inch thick. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. 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. 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.

This way no worrying about grabbing scraps to fill in small spots and not having the correct thickness. I put 5 8 osb on the roof of the 8x12 shed i built this summer 16 centered rafters. Rafters that are slightly farther apart might require inch or 5 8 inch thick plywood. 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.

However you may need to consider bolstering the plywood thickness for a roof that has a higher load. The typical thickness range for sheathing is 3 8 to 3 4 inch. 7 16 osb really isn t adequate for your roof even if you re running rafters on 16 centers. And hey it was on sale.

Never attach roof sheathing with staples. 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. B 14 sheets of 3 4 tongue and groove plywood 4 8 sheeting. 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.

The more common roof thickness is 3 4 inch decking. You might get by with 7 16 plywood but even that would be iffy. In order to build an l shaped shed roof you need to use the following. A 8 pieces of 2 4 lumber 65 1 4 2 piece 8 16 pieces 5 overhang.