Osb Or Plywood For Roof Sheathing

Up until 2000 plywood held the majority of the market for wall roof and floor sheathing when it was surpassed by osb which as of 2018 held about 75 of the market share.

Osb or plywood for roof sheathing.

Osb takes longer to get wet than plywood but also takes longer to dry out. 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. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood.

Cost of plywood vs osb. With edge support and the same snow load 3 8 inch osb can be used. 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. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

Osb is cheaper than plywood by about 3 to 5 per panel. Osb v plywood which is best. Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking. When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood.

One of the nice things about plywood is the variety of options you can buy. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. So dividing the area of the roof by 32 will give you the number of. 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.

When used as a roof sheathing this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks. Roof sheathing or decking is one of those elements. Thicknesses range from 5 16 to 3 4 inch and the proper. For a typical 2 400 sq.

A roof system consists of several elements working together to protect the home. Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed. A 4 8 sheet of plywood is 32 ft 2.