STANLEY F 952 FIRE BLOCK FOAM SEALANT is a one component, all purpose, flame resistant, self-extinguishing polyurethane foam that cures with moisture. It comes with a straw adapter included in each cannister for easy dispensing. This unique formulated polyurethane foam is ideal for HVAC, plumbing and electrical applications. Stanley Fire Block Foam Sealant is in light red color and easily identified by inspectors as an approved fire block penetration sealant.
TDS• Excellent adhesion and filling capacity
• Suitable for filling wide gaps due to its high expansion rate
• Economical consumption with precise application
• High yield of up to 10.6 gallons, depending on temperature and humidity
• Resistant to mold and water
• Paintable
• Ideal for penetrations (HVAC, electrical and plumbing), insulating electrical outlets and water pipes
• Partitions and stud walls, top and bottom stair stringers
• Ideal for filling and sealing gaps, joints, and cavities
• Suitable for fixing and insulating window and door frames
