: When properly taped, ZIP walls can achieve air change rates of
: The overlay typically provides a permeance level of 12–16 perms , allowing the panels to "breathe" and dry out. 1.5.zip
, significantly lower than standard OSB and housewrap combinations ( 3. Advantages in Construction : When properly taped, ZIP walls can achieve
The 1.5-inch variant is often the minimum thickness required in the ZIP-R product line to satisfy energy codes in colder climates. However, designers must account for specific regional requirements: Roxul Comfortboard - disadvantages? - GreenBuildingAdvisor : When properly taped
: A layer of high-quality OSB that provides shear strength.