Expanding Foam Sealant 12 oz. Can

Easy-to-use, multi-purpose urethane foam Unlike ordinary sealants, it expands three times its original volume Adheres to all building materials except Teflon, silicone and polyethylene Seals by expanding into gaps, cracks and crevices Uses include insulating, sealing and filling gaps around pipes, plumbing fixtures, ductwork and foundations UL Classified