Osb Or Plywood For Garage Roof

Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons.

Osb or plywood for garage roof.

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. Osb is now used for about 70 percent of all floor wall and roof sheathing in north america. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.

The minimum plywood for roofing. Yes there are several different material options and. Different material options types of roof plywood. 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.

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. New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

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. Rafters run from the peak of the roof. In 2001 oriented strand board surpassed plywood in terms of square footage produced.

As a warning it s considered by some to be inferior in quality as compared to plywood. However you might find that osb can better suit your needs than plywood for the roof. With edge support and the same snow load 3 8 inch osb can be used. Another issue that many people encounter is what size plywood the roof may need.

Speaking of osb it s a top choice of homeowners looking for something more affordable than plywood. Building codes the engineered wood association architects and most builders rate plywood and oriented strand board obs sheathing equal in strength and durability. 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.