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RCD Corporation® - 106001 #6 Mastic® - 1 gal. Pail

Item: RCD6-1GAL
MFR: 106001

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About This Product

Product Info


RCD Corporation® #6 Mastic® low to high velocity air duct sealant is preferred by professional HVAC and home weatherization contractors nation wide for permanently sealing the joints and seams of thermal insulation, crawl space vapor retarder, house wrap and all air duct types including UL listed air ducts. #6 Mastic® seals leaks in return air ducts, supply ducts, air handlers, plenums, grilles, registers, dampers, and boots and is used in home sealing to reduce air infiltration into the living area. Sealing the home from air infiltration, sealing air ducts and crawl space sealing improves indoor air quality, reduces humidity, increases comfort and saves energy. Easy application by brush, trowel, palm, spray, or extrusion.


Weight11.74 Pounds (lbs)
Width8 Inches (In)
Height8 Inches (In)
Country of OriginUSA
Length8 Inches (In)
Application Temperature38°F to 120°F (3.3°C to 48.8°C)
BrandRCD Corporation®
CompositionFiber reinforced, water-borne, non-sagging, terpolymer dispersion
Coverage80 square feet per gallon at 20 mils wet film thickness
Dry TimeTo Touch: 5-6 hours at 75°F (23.9⁰ C) and 50% relative humidity
Prop 65No
Service Temperature38°F to 120°F (3.3°C to 48.8°C)
Shelf Life12 months (unopened container)
Size1 Gallon
StandardsUL-181A-M and UL-181B-M
TypeDuct Sealer, Duct Mastic, Air Duct Sealant, #6 Mastic
UL ListedYes


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