The 24 16 rating of 7 16 osb will pass code for any standard construction walls roof.
Can i use 7 16 osb for roof sheathing.
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.
You don t need to worry about that.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
Thicknesses range from 5 16 to 3 4 inch and the proper.
The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.
What is going on here.
Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away.
Get free shipping on qualified osb panel sheathing subflooring 7 16 plywood or buy online pick up in store today in the lumber composites department.
That is the job of the contractor and inspector.
However there is a common reason to upgrade the thickness of the roof sheathing as explained above.
Is it improper installation.
I only use 1 2 osb on roof sheathing but the apa rating of the osb does allow for 24 centers now the fact that you are on 16 centers 7 16 would be fine although i probably would still use 1 2 out of habit.
With edge support and the same snow load 3 8 inch osb can be used.
Common practice for a composition roof in n texas is with a roof deck of 7 16 osb and rafters at 24 o c.
Most roofs look fine yet some roofs show sag.
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.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
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