Standard Plywood Thickness For Roofing

The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the.

Standard plywood thickness for roofing.

Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for. 8d ring shank nails should be used instead. Tolerance for utility grade thickness is 1 32 inch and for cabinet grade plywood 1 64 inch. This plywood is strong and durable enough for use in roofing framing and other exterior structural projects.

Its size tolerances especially for thickness are smaller that those for the utility grade plywood used in the building trades for roof and wall sheathing subfloors and general use purposes. Foot and with a maximum of spacing of 16 inches between rafters. Steeper rather than flatter roofs will have lesser load per sq. Sheathing should be a minimum of 19 32 inch thick.

It adds proven performance and durability to new homes room additions and renovations. They can range from the standard 4 x 8 piece to a 4 x 9 or even a 4 x 10. The most common thickness of plywood is 1 2 inch but plywood thickness can range from 1 8 inch to 3 4 inches. The typical thickness range for sheathing is 3 8 to 3 4 inch.

A half inch thickness is considered to be standard in a lot of areas and it should work just fine considering that it s deemed okay by the roofing contractor after considering the things above. This kind of plywood can be used on roofs with minimal load. Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance. Like most other things there is no one right answer for the plywood thickness of your roof.

Plywood thickness for the roof. Never attach roof sheathing with staples. The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an. It s the standard for spacing of 24 inches in the rafter although as mentioned a 5 8 inch thick is more ideal.

Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof design. For screen reader problems with this website please call 1 800 430 3376 or text 38698 standard carrier rates apply. If the roof dips here and there because of the thin plywood the 1 8 jump may no be so bad in the mix of it all jack jul 26 16 at 4 24 here in snow country 1 2 osb is standard with 7 16 being common for walls. The minimum thickness of plywood used for roofing is 3 8 th of an inch.