Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 7 - Fire and Smoke Protection Features
Section 718 - FIRE-RESISTANCE REQUIREMENTS FOR PLASTER
Subsection 718.1 - Thickness of plaster
Universal Citation: 780 CMR MA Code of Regs 718.1
Current through Register 1531, September 27, 2024
The minimum thickness of gypsum plaster or portland cement plaster used in a fire-resistance-rated system shall be determined by the prescribed fire tests. The plaster thickness shall be measured from the face of the lath where applied to gypsum lath or metal lath.
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