The is a structural wood panel with integrated water-resistive barrier (WRB), air barrier, and thermal insulation. The 1.5-inch variant is a specific configuration designed to provide a continuous thermal bridge break while maintaining structural integrity in residential and commercial framing. 2. Composition and Specifications
: When properly taped, ZIP walls can achieve air change rates of 1.5.zip
: A layer of high-quality OSB that provides shear strength. The is a structural wood panel with integrated
: The overlay typically provides a permeance level of 12–16 perms , allowing the panels to "breathe" and dry out. 1.5.zip