JM Window & Door - Air Sealant Insulation
Johns Manville Window & Door Foam Air Sealant is a low-pressure polyurethane, closed-cell low pressure foam sealant designed to seal openings around doors and windows to prevent air transfer and increase energy efficiency. JM Window & Door will not bow or distort windows or doors and is designed to resist moisture and mold problems. It is chemically inert and non-reactive in approved applications, and will not harm electrical wire insulations, rubber, PVC or other plastics. It is for professional use only.
Low Pressure: Prevents the bowing or distortion of windows or doors.
Energy-Efficient: Creates an air seal to prevent air from entering or exiting.
Moisture-Resistant: Prevents mold growth and rotting.