Cut and Cobble Rim Joist Insulation: Using Rigid Foam and Expanding Sealant for Basement Air Sealing
Understanding the Cut and Cobble Method for Rim Joist Insulation The rim joist band is one of the most critical yet frequently overlooked areas in basement insulation and air sealing. This horizontal framing member sitting atop the foundation wall creates a thermal weak point where heat loss and air infiltration commonly occur. The cut and […]
