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Duct Mastic Sealant 1 Gallon RCD
Duct Mastic Sealant 1 Gallon RCD

List Price: $39.00
Our Price: $39.00

Availability: Usually Ships in 2 to 3 Business Days
Product Code: 37011


A non-toxic adhesive-sealant used for permanently sealing the fabricated joints and seams of sheet metal air ducts, UL-181 listed rigid fiberglass air ducts, UL-181 listed flexible air ducts and thermal insulation. It is also ideal for repairing damaged and leaking air ducts and sealing conditioned spaces from air infiltration.

  • Water-based and non-flammable
  • High solids content
  • Fiber reinforced
  • Excellent longevity
    (actually strengthens with age)
  • Fire resistant
  • Weather Resistant
  • Elastomeric
  • Easy application and clean-up
  • City of Los Angeles Approval #RR820
Adheres to most construction surfaces, including but not limited to:
  • Aluminum Foil
  • Aluminum Foil Scrim
  • Calcium Silicate Insulation
  • Cellular Glass
  • Fiberglass Insulation
  • Galvanized Steel
  • Gypsum board
  • Concrete
  • Masonry
  • Polystyrene Foam
  • Polyurethane Foam
  • Polyester Plastic
  • Primered Steel
  • PVC Plastic
  • Sheet Aluminum
  • Wood

Average Customer Review: Average Customer Review: 1 of 5 1 of 5 Total Reviews: 2 Write a review.

  0 of 0 people found the following review helpful:
1 of 5 Sealant June 18, 2020
Reviewer: Barbara Murphree from Rising Star , TX United States  
Did not arrive at our location XPO Trucking is looking for it.  The picture showed it was sent from your location.  Unknown where it is.  That is why I had to go to town to buy other supplies to hook up the air conditioner unit.

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  0 of 0 people found the following review helpful:
1 of 5 September 6, 2018
Reviewer: Sam Adams from Jasper, GA. United States  
have not seen this yet

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