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.
Osb board used for roofing.
As the result they are stronger and basically water proof.
Osb is made out of strands of wood chips and chemically engineered materials to glue them together.
In order to obtain the thin sheets of laminate to make plywood manufacturers have to slice them from.
Can oriented strand board osb be used for roofing.
Moisture resistance and problems.
It can also be used for roof sheathing to go under your roofing system or as a sheathing on the walls.
Osb is widely used as roof decking material.
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.
Because of the way it s constructed osb has less tendency to swell and contract with.
When they are used in roofing osb can retain heat and water perfectly.
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.
The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
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.
A homeowner recently wrote and asked me the following regarding osb roof decking.
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.