#7 Mastic

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7-mastic-M
#7 Mastic® Applied to Duct Joint

  • Fast Drying
  • Weather Resistant
  • Earns LEED Credits
  • Water Borne
  • Non-Flammable
  • Low Odor
  • Easy to Apply
  • Made in U.S.A.

#7 Mastic® Premium Air Duct Sealant

Description

RCD Corporation® #7 Mastic® is a water-borne air duct sealant used for permanently sealing the fabricated joints and seams of sheet metal air ducts, rigid fiberglass air ducts, flexible air ducts and thermal insulation. RCD Corporation® #7 Mastic® is a premium grade sealant used for repairing damaged, leaking air ducts and sealing conditioned spaces from air infiltration. The U.S. Environmental Protection Agency's Energy Star® program recommends insulating and sealing air ducts. Sealing and insulating air ducts along with home sealing and crawl space sealing will improve indoor air quality, reduce excess humidity and significantly reduce energy costs. See RCD Technical Bulletin for spray equipment solutions.

Color is gray and is easily applied by brush, extrusion or spray equipment.


Please note: To order quantities greater than available through RCD’s online store please contact us at 352.589.0099 or send an email to customercare@rcdcorp.com and we will be happy to fulfill your order.