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Osb roof sheathing thickness 16 oc.
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We re in dallas so we don t engineer for tremendous live loads for an asphalt shingle and we feel comfortable with 16 oc rafter spacing and 7 16 osb decking.
I m contemplating upgrading to 1 2 or even 5 8 osb though to reduce roof sag hopefully to nil.
Can someone direct me to blogs or q a titles that address roof sheathing thickness.
Just would like to know if it is acceptable from a strength standpoint that s all.
Currently we space rafters 16 oc and use 7 16 osb with h clips.
Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
This is probably one of those posts that opens up the floodgate for debate but pushing that aside.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
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Thicknesses range from 5 16 to 3 4 inch and the proper.
The span rating on floor span panels appears as a single.
Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.
My cabin trusses will be 24 oc and i will use either 1 2 or 5 8 osb sheathing and a standing seam metal roof.
Or for floor sheathing over supports spaced up to 16 inches o c.
Am i ok using 7 16 osb for sheathing on roof and walls 16 oc framing.
Is 1 2 osb okay for a standing seam roof and other roofing materials or is 5 8 preferred.
7 16 cat ps2 10 osb sheathing application as 4 x 8.
1 inch 25 4 mm.
The second number is the maximum o c.
Find osb sheathing osb at lowe s today.
Spacing in inches for roof sheathing.
Roof will be fully vented.
Installation details shall conform to sections 2304 7 1 and 2304 7 2 for floor and roof sheathing respectively.
Am i ok using 7 16 osb for sheathing on roof and walls 16 oc framing.
The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
Support spacing when the panel is used for subflooring.
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.
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With edge support and the same snow load 3 8 inch osb can be used.
