Osb Or Plywood For Garage Roof

The minimum plywood for roofing.

Osb or plywood for garage roof.

Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. However osb is generally considered less resistant to water it swells in thickness when exposed to moisture and some people prefer plywood for roofs and subfloors. Speaking of osb it s a top choice of homeowners looking for something more affordable than plywood. However you might find that osb can better suit your needs than plywood for the roof.

Another issue that many people encounter is what size plywood the roof may need. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Fortunately this is one issue that has primarily been standardized by the industry.

Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. Yes there are several different material options and. In 2001 oriented strand board surpassed plywood in terms of square footage produced. Different material options types of roof plywood.

Both plywood and osb are used for sheathing roofs walls and subfloors they work equally well for these uses are just as easy to drill into and have equivalent ability to hold nails. Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons. Rafters run from the peak of the roof. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.

Thicknesses range from 5 16 to 3 4 inch and the proper. Building codes the engineered wood association architects and most builders rate plywood and oriented strand board obs sheathing equal in strength and durability. Osb is now used for about 70 percent of all floor wall and roof sheathing in north america. We ll discuss plywood vs osb more later.

New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well. With edge support and the same snow load 3 8 inch osb can be used. As a warning it s considered by some to be inferior in quality as compared to plywood.