What Is Roof Sheathing Made Of

Thickness will range from 3 8 to 3 4 inch depending upon local code.

What is roof sheathing made of.

Plywood is layers of wood plywood is made. Wood sheathing materials include plywood oriented strand board osb and waferboard. See all roof sheathing options connect with local roofers. Types of sheathing typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

Plywood particle board or wafer board roof sheathing is most commonly used being low in cost and easy to apply. The difference between plywood and osb is that plywood is a heavy material in comparison to osb which is a light material. Plywood is a bit more expensive than osb but is usually stronger. Similar to exterior wall wood sheathing roof sheathing includes plywood oriented strand board and waferboard.

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. This increases the stiffness of the material and gives it strength. Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof.

With plywood being heavy it can add to the weight of the roof which isn t necessarily a good thing. Plywood is very durable but tends to cost a bit more and is heavier. Cement based sheathing is typically used on exterior walls under eifs ceramic tile and thin brick. 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. Plywood is made of whole sheets of wood that are cross laminated. What is roof sheathing made of. Roof sheathing is almost always composed of wood in the united states but there may be different types of wood used.

In the united states roof sheathing is almost always made of wood. Roof sheathing may also be constructed of plywood. With edge support and the same snow load 3 8 inch osb can be used. Roof sheathing is usually made of either oriented strand board osb or plywood.

However different types of wood may be chosen to create the sheathing. 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. Both materials are made of wood but osb is more lightweight and costs slightly less. Fiber cement sheathing is combustible and not moisture resistant.

Roof sheathing is usually made out of two types of wood either plywood or osb which stands for oriented strand board. Choose an exterior c d grade.