Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.
Osb roof sheathing thickness 16 oc.
Spacing in inches for roof sheathing.
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.
The thickness required by josh s circumstances are good for roof snow loads of up to 70 psf again spanning 24.
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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Floor or roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.
I m contemplating upgrading to 1 2 or even 5 8 osb though to reduce roof sag hopefully to nil.
With edge support and the same snow load 3 8 inch osb can be used.
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.
Is 1 2 osb okay for a standing seam roof and other roofing materials or is 5 8 preferred.
Thicknesses range from 5 16 to 3 4 inch and the proper.
Find osb sheathing osb at lowe s today.
Am i ok using 7 16 osb for sheathing on roof and walls 16 oc framing.
7 16 cat ps2 10 osb sheathing application as 4 x 8.
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.
Can someone direct me to blogs or q a titles that address roof sheathing thickness.
Am i ok using 7 16 osb for sheathing on roof and walls 16 oc framing.
1 inch 25 4 mm.
Currently we space rafters 16 oc and use 7 16 osb with h clips.
The second number is the maximum o c.
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.
For pricing and availability.
The cabin is just 440 sf and is in zone 6.
This is probably one of those posts that opens up the floodgate for debate but pushing that aside.
The span rating on floor span panels appears as a single.
Support spacing when the panel is used for subflooring.
Roof will be fully vented.
Just would like to know if it is acceptable from a strength standpoint that s all.
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