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Expansion Joint Required?

Expansion Joint Required?

Expansion Joint Required?

(OP)
Single story building masonry walls (~16' tall) with steel deck on bar joists. 260'x80' With one interior support line and joist spanning short direction. It will be temperature controlled i.e. AC. Feels like a border line situation and debating whether to expansion joint or not?

RE: Expansion Joint Required?

Naw.

RE: Expansion Joint Required?

I usually use about 300 feet for the cutoff, give or take a few feet and depending on irregularities and other such circumstances.

RE: Expansion Joint Required?

The National Concrete Masonry Association has a detailed report (TEK 10-2A)on control joints for concrete masonry walls.

Their phone number is (703) 713-1900 and their
web page is www.ncma.org.

You can down load there guides for free.

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