Detailing Walls With Rigid Foam
Navigating the challenges of exterior insulation isn’t the nightmare you might think it is
In this article, builder Steve DeMetrick shares construction and design details for efficient and trouble-free installation of exterior foam sheathing. His method employs Zip System sheathing for structure and air-sealing, 2-in. foil-faced foam for exterior insulation, and a felt-paper weather-resistive barrier behind a rain screen.