Osb Or Plywood For Roof Sheathing

With edge support and the same snow load 3 8 inch osb can be used.

Osb or plywood for roof sheathing.

Osb is cheaper than plywood by about 3 to 5 per panel. 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. Plywood is made with an odd number of layers for optimal strength and performance. 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.

For a typical 2 400 sq. Osb takes longer to get wet than plywood but also takes longer to dry out. 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. It dries out relatively quickly and the swelling is usually not enough to affect floor or roof finishes.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should. One of the nice things about plywood is the variety of options you can buy. Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking. Roof sheathing or decking is one of those elements. If your roof has triangles and other shapes you ll need to use a calculator to find the square footage. When used as a roof sheathing this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks.

Cost of plywood vs osb. Thicknesses range from 5 16 to 3 4 inch and the proper. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. So dividing the area of the roof by 32 will give you the number of.

A roof system consists of several elements working together to protect the home. A 4 8 sheet of plywood is 32 ft 2. Osb v plywood which is best.