Image This home’s exterior walls include Larsen trusses, 9-inch I-joists attached through exterior sheathing to wall studs creating a 9-inch wall cavity that was filled with blown insulation and forms extra deep windowsills. Publication Date Wed, 12/29/2021 - 12:00
Dropped Ceiling/Soffit Below Unconditioned Attic Description Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.
