Pre-Insulation Foam Air-Sealing Strategies: A Builder’s Guide to Tighter Building Envelopes
Before insulation goes in, the building envelope must be sealed tight. Air leakage is one of the largest sources of energy loss in modern homes, and addressing it before installing insulation dramatically improves thermal performance, occupant comfort, and long-term durability. In this guide, we examine pre-insulation foam air-sealing strategies used by professional builders, drawing on […]
