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Deflections

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In the 2003 IBC “Deflection Limits” Fig 1604.3, it gives the limit for Plaster Ceilings.  Does that include drywall, or does drywall fall under Non-Plaster?

Drywall is considerably more flexible than plaster.

I generally use the tighter limits, but this is a situation that truly doesn’t need tight limits.

Thanks

JDC

 

Jerry D. Coombs, P.E.
Coombs Engineering Services
214-287-4696

www.coombsengineering.com