Exterior OSB thickness

727 Views 6 Replies 5 Participants Last post by Gary in WA, Mar 17, 2016

Bgmac

Discussion Starter · Mar 16, 2016

My local code list 3/8 or 1/2 inch OSB on 16" OC studs for exterior walls. I am ready to hang 7/16" OSB thinking it falls in-between the sizes listed somewhat. Before I put nail to OSB, would 7/16" work? I am in Virginia, my county goes by state code. Thanks for any advice.

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woodworkbykirk

· #4 · Mar 17, 2016

7/16 is the standard for most regions, i often use 15/ 32 soley for the reason that its the thickness required on the roof here we just buy one thickness so there is no mixing up sheets. mind you depending on teh budget for the project we can sometimes up sell to actual plywood

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