Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
Osb roof sheathing size.
Thicknesses range from 5 16 to 3 4 inch and the proper one to use.
This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load.
Roof sheathing thickness unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
That s considered to be the minimum.
Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively.
With edge support and the same snow load 3 8 inch osb can be used.
T g oriented strand board common.
For pricing and availability.
1 inch 25 4 mm.
Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot.
Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.
For pricing and availability.
Tandg oriented strand board is ideal for subfloor construction and structural usage in humid conditions.
X 95 75 in 920924 the home depot.
It spans the rafters to support the roofing and in the case of panel sheathing such as plywood or osb it acts as a diaphragm with the walls to resist horizontal loads.
Great choice for a professional builder.
T g oriented strand board common.