Plywood Sizes For Roofing

Required dimensions of plywood for roofing.

Plywood sizes for roofing.

The minimum thickness of plywood used for roofing is 3 8 th of an inch. 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. Tolerance for utility grade thickness is 1 32 inch and for cabinet grade plywood 1 64 inch. The minimum plywood for roofing.

So what size plywood should you use for your roof. 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. How the roof is designed. The many types of plywood can differ in materials number of layers rating and grade.

Steeper rather than flatter roofs will have lesser load per sq. The industry offers a thickness of anywhere from 5 16 inch to inch. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. Fortunately this is one issue that has primarily been standardized by the industry.

Sheet with varying thickness. What size plywood should you use for your roof. 30 years on it s working out fine. Another issue that many people encounter is what size plywood the roof may need.

Foot and with a maximum of spacing of. 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. Rafters run from the peak of the roof. Planning and executing a good roofing job requires knowledge of every aspect of the job.

More product details close. Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. What size plywood for the roof. There are several factors to consider.

Plywood is a necessity in many diy and construction projects but not every type of plywood works for every project. This kind of plywood can be used on roofs with minimal load. Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for light frame wall and roof assemblies in weather protected applications. This guide will explain the different uses of plywood as well as popular plywood sheet sizes and its rating and grade system so that you can choose the best plywood for your project.