: When properly taped, ZIP walls can achieve air change rates of
: A 1-inch thick layer of polyisocyanurate (polyiso) foam bonded to the back of the OSB. 1.5.zip
: In Climate Zone 5, the R-6.6 provided by the 1.5-inch panel is sufficient to keep the sheathing boundary above the dew point, preventing internal condensation when using fiber insulation in the stud cavity. 4. Application and Code Compliance : When properly taped, ZIP walls can achieve
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 Application and Code Compliance The is a structural
: A factory-applied water-resistive and air barrier on the exterior face. Key Performance Metrics: R-Value : Provides a thermal resistance of R-6.6 .
Technical Analysis of 1.5-Inch ZIP System R-Sheathing in Modern Building Envelopes 1. Introduction
, significantly lower than standard OSB and housewrap combinations ( 3. Advantages in Construction