ZIP Sheathing: What Is It, and Why Do You Want It Under Your Roof?
Building ScienceOn this page Two stormsBuildings get rained onWhat is ZIP sheathing?Vs. house wrapThe building scienceThe tapeWhy it's the standardWhat it costsThe long runTakeawaysThe verdictFAQ South Berkeley Office · Part 2 of 2 Alex PellOwner, Beyond Green Construction · 6 min read The last strip of tape went down on the roof at the end of October 2025. The building was a detached office and guest room in South Berkeley, framed and full of my tools, with nothing on the roof...
Learn More
Prosoco: The Best In-Wall Waterproofing
Building ScienceOn this page Why old houses never rottedVs. house wrap and paperWhat went on the wallsWhat it costsTakeawaysThe verdictFAQ South Berkeley Office · Part 1 of 2 Alex PellOwner, Beyond Green Construction · 5 min read From the early 1900s on, the barrier behind a wall's siding was black tar paper: asphalt-soaked felt in 3-foot rolls. It went on with staples, but the asphalt sealed around each one. In the early 1980s, house wrap like Tyvek arrived, sold as a...
Learn More