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.
The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
Osb is made out of strands of wood chips and chemically engineered materials to glue them together.
Because of the way it s constructed osb has less tendency to swell and contract with.
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.
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.
Moisture resistance and problems.
When they are used in roofing osb can retain heat and water perfectly.
Can oriented strand board osb be used for roofing.
In order to obtain the thin sheets of laminate to make plywood manufacturers have to slice them from.
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.
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.
However the board is lack of natural moisture inside and won t dry as quickly as plywood.