Osb Or Plywood For Roof Sheathing

So dividing the area of the roof by 32 will give you the number of.

Osb or plywood for roof sheathing.

It dries out relatively quickly and the swelling is usually not enough to affect floor or roof finishes. One of the nice things about plywood is the variety of options you can buy. Plywood is made with an odd number of layers for optimal strength and performance. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

Osb takes longer to get wet than plywood but also takes longer to dry out. Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking. Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed. Osb v plywood which is best.

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. If your roof has triangles and other shapes you ll need to use a calculator to find the square footage. A roof system consists of several elements working together to protect the home. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood. Thicknesses range from 5 16 to 3 4 inch and the proper. Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should.

When used as a roof sheathing this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks. For a typical 2 400 sq. With edge support and the same snow load 3 8 inch osb can be used. Get free shipping on qualified osb panel sheathing subflooring 7 16 plywood or buy online pick up in store today in the lumber composites department.

Cost of plywood vs osb. Osb is cheaper than plywood by about 3 to 5 per panel. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.