How To Deck A Roof Osb

This instructional video covers how to store space and fasten osb oriented strand board roof sheathing including radiant barrier roof sheathing.

How to deck a roof osb.

Osb is lightweight relatively inexpensive and strong enough to resist bending or breaking should someone walk on the roof. A homeowner recently wrote and asked me the following regarding osb roof decking. A 4 8 sheet of plywood is 32 ft 2. 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.

Of roof decking costs 800 2 800 to install depending on the material you choose. Oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands. With edge support and the same snow load 3 8 inch osb can be used. Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks.

Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money. In the u s roof sheathing is almost always composed of wood usually osb oriented strand board or plywood. Roof sheathing or decking is one of those elements.

Thicknesses range from 5 16 to 3 4 inch and the proper. On average 300 sq ft. Once you have the area you can divide by the area of a sheet of plywood to find the number of sheets needed. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

Osb is widely used as roof decking material. So dividing the area of the roof by 32 will give you the number of sheets needed. Watch this now to learn how to avoid this same pr. For example if your roof is 1 500 ft 2 then it will take 47 sheets of plywood to sheath it.