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SuperSeal® Accessories

SuperSeal® products are air-dry derivatives of Permacote®, the tough, black acrylic polymer used for factory coating of the airstream surface and edges of Johns Manville Air Handling products. They allow installers to maintain system integrity, resist microbial growth and meet all code requirements.

SuperSeal® Permacote HV

SuperSeal® HV is a high viscosity version of the Permacote® coating, with enhanced mastic qualities. HV is ideal for spot or edge repair where extra fill or adhesion properties are required. (more ...)

SuperSeal® Edge Treatment

SuperSeal® Edge Treatment is a sprayable liquid intended primarily for high-volume shop applications. Super Seal Edge Treatment may also be applied with a brush.

SuperSeal® Duct Butter

SuperSeal® Duct Butter is a black aerosol foam designed for easy shop and field use. The handy aerosol cans offer simple application and minimal cleanup, making them ideal for spot or edge repair. (more ...)