Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 14 - Exterior Walls
Section 1404 - MATERIALS
Subsection 1404.2 - Water-resistive barrier
Universal Citation: 780 CMR MA Code of Regs 1404.2
Current through Register 1531, September 27, 2024
A minimum of one layer of No.15 asphalt felt, complying with ASTM D 226 for Type 1 felt or other approved materials, shall be attached to the studs or sheathing, with flashing as described in Section 1405.4, in such a manner as to provide a continuous water-resistive barrier behind the exterior wall veneer.
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