RCD Corporation® Mastics • Adhesives • Duct Sealants • Coatings

#6 Mastic® Fibered Air Duct Sealant

#6 Mastic® Low to High Velocity Air Duct Sealant is a fiber reinforced, white, water-borne, UL listed sealant used to seal the joints and seams of thermal insulation, crawl space vapor retarder, house wrap & all air duct types. UL listed for use on flexible and rigid fiberglass air ducts. Easy application by brush, caulk gun, palm, putty knife, trowel, or spray equipment.

#7 Mastic® Premium Air Duct Sealant

#7 Mastic® Low to High Velocity Air Duct Sealant is a premium grade, water-borne, gray, flexible sealant used to permanently seal the fabricated joints and seams of sheet metal air ducts, rigid fiberglass air ducts, flexible air ducts, crawl space vapor retarders, and thermal insulation. Easy application by brush, palm, putty knife, trowel, or spray equipment.

#8 Mastic® Sheet Metal Duct Sealant

#8 Mastic® Low to High Velocity Sheet Metal Air Duct Sealant is a UL listed, gray, water-borne, flexible sealant preferred by mechanical contractors for sealing air ducts in commercial construction. UL listed for use on flexible and rigid fiberglass air ducts. Easy application by brush, caulk gun, palm, putty knife, trowel, or spray equipment.

#9 Mastic® Air Duct Sealant

#9 Mastic® Low To High Velocity Air Duct Sealant is a UL listed, water-borne, white, flexible sealant used to seal rigid fiberglass air ducts, plenums, and distribution boxes. UL listed for use on flexible air ducts and rigid fiberglass air ducts. Easy application by brush, trowel, putty knife, palm, caulking gun, or spray equipment.

#10 Mastic® Fibered Duct Sealant

#10 Mastic® Low to High Velocity Air Duct Sealant is a fiber reinforced, UL listed, tan, water-borne, and flexible sealant used to seal all duct types. UL listed for use on flexible and rigid fiberglass air ducts. Easy application by brush, palm, putty knife, trowel, or spray equipment.

#15 Weather Barrier Coating®

#15 Weather Barrier Coating® is a bright white, water-borne, flexible coating that protects air ducts and thermal insulation exposed to the weather. Reduces solar radiation heat gain of coated surfaces exposed to the sun. Easy application by brush, roller, or spray equipment.

#52 Spray Adhesive®

#52 Spray Adhesive® is formulated to bond fiberglass insulation to galvanized and aluminum sheet metal. The webbing spray pattern and the multi-adjustment spray nozzle provides a lot of value in one can. Easier to use and saves time compared to bulk spray equipment.

Glasscoat® Fiberglass Mesh

Glasscoat® is an inorganic white woven fiberglass mesh used to reinforce the joints and seams of thermal insulation and air ducts. It's coated on one side with pressure sensitive adhesive and the rolls are individually labeled and shrink wrapped.

Fin & Plenum Brush

RCD Corporation's® Fin & Plenum Brush extends your reach 18 inches with a 14 inch long wood handle and 2 inch wide, natural bristle, angled head. The best tool for sealing hard to reach air handler to plenum connections. You'll need at least two one for duct sealing and one for cleaning condenser and evaporator coil fins.