What Is Roof Sheathing Made Of

See all roof sheathing options connect with local roofers.

What is roof sheathing made of. Roof sheathing is usually made of either oriented strand board osb or plywood. Plywood is layers of wood plywood is made. Sheathing is made of roofing plywood other materials. Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply.

Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof. Wood sheathing materials include plywood oriented strand board osb and waferboard. Roof sheathing is usually made out of two types of wood either plywood or osb which stands for oriented strand board. However different types of wood may be chosen to create the sheathing.

Plywood is made of whole sheets of wood that are cross laminated. With edge support and the same snow load 3 8 inch osb can be used. With plywood being heavy it can add to the weight of the roof which isn t necessarily a good thing. Similar to exterior wall wood sheathing roof sheathing includes plywood oriented strand board and waferboard.

What is roof sheathing made of. In the united states roof sheathing is almost always made of wood. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors. Oriented strand board osb is one of the most popular materials for roof sheathing.

The difference between plywood and osb is that plywood is a heavy material in comparison to osb which is a light material. This increases the stiffness of the material and gives it strength. Fiber cement sheathing is combustible and not moisture resistant. Cement based sheathing is typically used on exterior walls under eifs ceramic tile and thin brick.

Plywood is a bit more expensive than osb but is usually stronger. Plywood is known for its light weight and moisture resistance. 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. Roof sheathing holds your roof together.

Both materials are made of wood but osb is more lightweight and costs slightly less. Plywood is very durable but tends to cost a bit more and is heavier. Roof sheathing may also be constructed of plywood. Roof sheathing is structural providing lateral bracing of roof framing members and it carries both live and dead loads from above to the rafters and trusses below.

Roof sheathing is almost always composed of wood in the united states but there may be different types of wood used. Choose an exterior c d grade.