structurlal design 2

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15. Sagging in floor joists is typically caused by
A. oversized joists.
B. undersized joists.
C. improper nailing of sub-flooring.
D. improper moisture content of the wood


i think it's D.

  • structurlal design 2 -

    Yes, I have seen "juicy" wood also called "lake dried" installed as joists. I left that job. Undersized joists would never make it through the frame inspection.

  • structurlal design 2 -

    Thanks...

  • structurlal design 2 -

    It's B. Undersized joists.Just did the test!

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