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When did WRB (Tyvek) become code?

Tom Breslawski

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My county, Anne Arundel was stuck on 2003 IRC until June of 2012 when they adopted the 2012 IRC. I wrote up lack if WRB (Tyvek) on a house built in 2011. The buyer backed out. The builder was pissed and demanded I change my report since the local AHJ approved the house. I asked the builder what the brand name of the siding was so that we could have a look at the installation instructions. After asking that, I never heard back from them.

So yeah, always go with manufacturers installation instructions. Code actually stipulates that they should be followed anyway.

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Plenty of vinyl sided homes here with no vapor barrier, you pull the vinyl out at the end of a piece and all you see is OSB. Jamb the camera in and take a picture.

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You carry a vinyl siding tool with you or do you just unlock/lock it by hand?


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