Osb Board Used For Roofing

Can oriented strand board osb be used for roofing.

Osb board used for roofing.

Moisture resistance and problems. 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. 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. As the result they are stronger and basically water proof.

With edge support and the same snow load 3 8 inch osb can be used. There s a variety of diy projects that osb is fantastic for and you can use it for both interior and exterior use as it s weather resistant check for a stamp on the back of the board to make sure. It s regularly used for flooring because of its strength and it s ideal for a workshop or shed. In order to obtain the thin sheets of laminate to make plywood manufacturers have to slice them from.

A homeowner recently wrote and asked me the following regarding osb roof decking. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. But for a creative person or carpenter osb can be used to create a multitude of different. However the board is lack of natural moisture inside and won t dry as quickly as plywood.

Osb is made out of strands of wood chips and chemically engineered materials to glue them together. The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24. It can also be used for roof sheathing to go under your roofing system or as a sheathing on the walls. Because of the way it s constructed osb has less tendency to swell and contract with.