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Hardcast 304156

Hardcast Duct-Seal 321 Water Based Duct Sealant, 1 gal Pail, Gray, Up to 320 ft Liner at 3 Inch W, 20 mil T, Liquid
SKU: 83265
Manufacturer part number: 304156
Manufacturer:

Carlisle HVAC Products


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Hardcast Duct-Seal 321 Duct Sealant, Water Based, 1 gal, Pail, 0 g/L Exempt, 93 g/L Non-Exempt VOC, Thixotropic, Liquid, Gray, Up to 320 ft Liner at 3 Inch W, 20 mil T Coverage, 48 hr Drying, Brush, Putty Knife and Caulk Gun, -20 to 200 deg F, Resists: Water, Mold and Mildew

Duct-Seal 321 in 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.

  • Water solvent
  • Synthetic latex base
  • Passed 5 cycles freeze/thaw stability
  • Surface must be dry and free of dirt, oil and grease
  • Apply at joints and fasteners 20-mil-thick wet ? lm
  • Non-?ammable
  • One year (unopened) shelf life

Standard/Approvals: ASTM C-731, ASTM D-2202, USDA, EPA and FDA Approved, LEED compliant

Products specifications
Attribute nameAttribute value
Application MethodBrush, Putty Knife and Caulk Gun
ColorGray
CoverageUp to 320 ft Liner at 3 Inch W, 20 mil T
Drying Time48 hr
FormLiquid
ManufacturerCarlisle HVAC Products
Nominal Capacity1 gal
Packing TypePail
ResistsWater, Mold and Mildew
SeriesDuct-Seal 321
TypeWater Based
ViscosityThixotropic
VOC Content0 g/L Exempt, 93 g/L Non-Exempt