Is Osb Good For Roof

For the curious 7 16 osb has a span rating of 24 16 and with supports every 24 inches is good for a roof live load of 40 psf pounds per square foot with a 10 psf dead load.

Is osb good for 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. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. Oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands. It is generally believed that osb is cheaper than plywood.

In our area 1 2 in. We also use it for roof sheathing and in furniture. It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes. A homeowner recently wrote and asked me the following regarding osb roof decking.

They work equally well for these uses are just as easy to drill into and have equivalent ability to hold nails. Every building authority in the united states except for one allows the use of osb for roof sheathing. Answer osb roof panels should always be installed with the grade stamp facing into the attic and the screened surface with the nail guide lines facing up. Osb has its advantages.

You can use osb board in flooring for a cost effective flooring solution or used as a sub floor under a layer of hardwood flooring or vinyl flooring. Intervals so you know where underlying studs rafters and joists are for nailing. Osb is widely used as roof decking material. Plywood is better than osb for subfloors.

When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used. Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons. Both plywood and osb are used for sheathing roofs walls and subfloors. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.

New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well. Some panels have a textured surface which makes them less slippery when used for roof sheathing. With edge support and the same snow load 3 8 inch osb can be used. For plywood it is like 5 to 10 more expensive.

Osb sheathing costs a few dollars less per sheet than 1 2 in.