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Hardcast/Carlisle 304156 - Duct-Seal™ 321 Water Based Duct Sealant, Grey, 1 Gallon

Item: DS-321-1G
MFR: 304156
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Duct-Seal™ 321 Grey, 1 gallon pail, is an all purpose industrial grade duct sealant for all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts. It includes UV inhibitors for extended outdoor exposure and built-in fiber reinforcement for added strength. This non-toxic water based product is solvent free and is suitable for residential use.
  • Duct-Seal™ 321 is UL 181 B-M Listed
  • Passes ASTM D-2202, ASTM C-731. USDA, EPA and FDA Approved. LEED compliant SCAQMD Rule 1168.
  • City of Los Angeles Approval RR #8069


NameHardcast/Carlisle 304156 - Duct-Seal™ 321 Water Based Duct Sealant, Grey, 1 Gallon
Gemaire Item NumberDS-321-1G
Manufacturer Product Number304156
SKU - PIM Number1366111761579
ERP Number232864
Unit of MeasureEACH
Weight10.8 Pound (lb.)
Length7.8 Inches (in)
Width7.8 Inches (in)
Height7.5 Inches (in)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginUSA
Service Temperature-20°F to 200°F (-28.8°C to 93.3°C)
CoverageUp to 320 lin. Ft. at 3" width, 20-mil thickness
Dry Time48 Hrs
Shelf Life1 Year Unopened
Solids Content65%
FlexibilityPasses 1/4" mandrel bend
ApplicationBrush, Putty Knife, Caulk Gun or Trowel
ApprovalsUL 181 B-M, UL 723 & City of Los Angeles
BaseSynthetic Latex
FunctionsDuct Sealant
Size1 Gallon
StandardsASTM E-84, ASTM C-731, ASTM D-2202, SCAQD Rule 1168, NSF, FSIS, & Michigan Department of Quality Criteria
TypeLiquid Sealant
LEED CertifiedYes
GEM - Case Quantity