304100 – ROLLED MASTIC SEALANT TAPE (3″ x 100′)
$37.74Hardcast Foil-Grip 1402 rolled mastic sealant tape. 3″ x 100′, 17 mil thick. Butyl adhesive with aluminum foil backing. Instant water-resistant grip for duct sealing.
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Hardcast Foil-Grip 1402 rolled mastic sealant tape. 3″ x 100′, 17 mil thick. Butyl adhesive with aluminum foil backing. Instant water-resistant grip for duct sealing.

Foster FDS181 fiber-reinforced mastic, 1 gallon. Water-based duct sealant. UL 181 A-M and B-M listed. For sealing metal, fiberglass, and flex duct connections.