Posted by **Austin** on Sunday, February 24, 2013 at 5:03am.

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 -
**Ken**, Sunday, February 24, 2013 at 5:43am
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 -
**Austin**, Sunday, February 24, 2013 at 3:00pm
Thanks...

- structurlal design 2 -
**Sasha**, Friday, November 6, 2015 at 12:42am
It's B. Undersized joists.Just did the test!

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