Duct Mastic Sealant 1 Gallon RCD

Original price was: $55.00.Current price is: $16.99.

Clothing Size Conversion Chart
Category US EU UK Chest (in) Waist (in) Hips (in)
Men XS 44 34 32-34 26-28 33-35
S 46 36 34-36 28-30 35-37
M 48 38 38-40 32-34 39-41
L 50 40 42-44 36-38 43-45
XL 52 42 46-48 40-42 47-49
Women XS 32 6 31-32 24-25 33-34
S 34 8 33-34 26-27 35-36
M 36 10 35-36 28-29 37-38
L 38-40 12-14 37-39 30-32 39-41
XL 42 16 40-42 33-35 42-44
Youth XS 128 7 26-28 23-24 26-28
S 134 8 28-30 24-25 28-30
M 140 10 30-32 25-26 30-32
L 146 12 32-34 26-27 32-34
XL 152 14 34-36 27-28 34-36
Pants Size Conversion Chart
CategoryUSEUUKWaist (in)Hip (in)Inseam (in)
Men284428283430
304630303631
324832323832
345034344033
365236364234
Women0324243430
2346253530
4368263631
63810273832
84012284032
Shoes Size Conversion Chart
CategoryUSEUUKFoot Length (in)
Men6395.59.25
7406.59.625
8417.510
9428.510.25
10439.510.625
114410.511
124511.511.25
134612.511.625
Women5352.58.5
6363.58.875
7374.59.25
8385.59.625
9396.510
10407.510.25
11418.510.625
12429.511
M (Unisex)5374.58.75
6385.59
7396.59.5
8407.510
9418.510.25
10429.510.625
114310.511
124411.511.25
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Description

A non-toxic adhesive-sealant used for permanently sealing the fabricatedjoints and seams of sheet metal air ducts, UL-181 listed rigidfiberglass air ducts, UL-181 listed flexible air ducts and thermalinsulation. It is also ideal for repairing damaged and leaking air ductsand 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