INDOOR / OUTDOOR WATER-BASED FIBRATED DUCT SEALANT AND MASTIC
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nChilders CHIL-TUFF™ CP-181-1 is a fibrated, water-based duct sealant and mastic for use on heating, ventilating and air conditioning duct systems. It is easily applied by brush and will not drip or sag. When dry, it forms a tough, flexible, UV- and water-resistant air seal.