Roof Decking Osb Or Plywood

Roof sheathing or decking is one of those elements.

Roof decking osb or plywood.

Osb takes longer to get wet than plywood but also takes longer to dry out. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking. For a typical 2 400 sq.

Plywood is made with an odd number of layers for optimal strength and performance. Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should. 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. A 4 8 sheet of plywood is 32 ft 2.

They may look thicker but doesn t necessarily mean they re more durable than plywood. If your roof has triangles and other shapes you ll need to use a calculator to find the square footage. 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.

There isn t much difference when we talk about the strength and durability of plywood and oriented strand board osb. Don t let the size of osb sheathing deceive you. Thicknesses range from 5 16 to 3 4 inch and the proper. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

Cost of plywood vs osb. Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed. It dries out relatively quickly and the swelling is usually not enough to affect floor or roof finishes. As a homeowner if you find yourself in this position know that when you install a new decking system you will have to decide between using plywood or osb.

One of the nice things about plywood is the variety of options you can buy. So dividing the area of the roof by 32 will give you the number of. You can consider them equal in terms of this aspect. There is nothing wrong with plywood but for me personally.

A roof system consists of several elements working together to protect the home. Lipinskiy says that both plywood and osb are sufficient but that he does prefer osb. Both plywood and osb will meet the code. When used as a roof sheathing this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks.