When they are used in roofing osb can retain heat and water perfectly.
Osb board used for roofing.
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.
In order to obtain the thin sheets of laminate to make plywood manufacturers have to slice them from.
Because of the way it s constructed osb has less tendency to swell and contract with.
It can also be used for roof sheathing to go under your roofing system or as a sheathing on the walls.
A homeowner recently wrote and asked me the following regarding osb roof decking.
Can oriented strand board osb be used for roofing.
However the board is lack of natural moisture inside and won t dry as quickly as plywood.
It s regularly used for flooring because of its strength and it s ideal for a workshop or shed.
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.
Osb is made out of strands of wood chips and chemically engineered materials to glue them together.
Osb is widely used as roof decking material.
With edge support and the same snow load 3 8 inch osb can be used.
Moisture resistance and problems.
But for a creative person or carpenter osb can be used to create a multitude of different.
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.