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Background:
R501.3 (IRC-12) or R302.13 (IRC-15) states the following – “Floor assemblies….shall be provided with a 1/2-inch (12.7 mm) gypsum wallboard membrane…… or equivalent…….
Representing Manufacturers of Engineered Floor, Wall and Roof Structural Components
R501.3 (IRC-12) or R302.13 (IRC-15) states the following – “Floor assemblies….shall be provided with a 1/2-inch (12.7 mm) gypsum wallboard membrane…… or equivalent…….