Dolphin Fire Retardant PU Foam is self extinguishable, Class B2. The foam dispenses from the aerosol can is moisture cured and draws humidity from the air for cure. It is an economical, convenient and effective method for installing building code complaint, fire blocking in wood frame residential construction. Used to seal concealed penetrations from floor to floor or room to room, forms a fireblock and a durable , air tight and water resistant bond

• Bonds to wood, dry wall, metal, masonry, glass and most plastics