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Miracle-Kingco 11-500 - Glenkote Sealflex - Duct Sealant, 1 Gallon

Item: 11500-1
MFR: 11-500
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Glenkote™ Sealflex™ is a water based sealant/ mastic that is GREENGUARD® GOLD certified and UL 181-B certified. GLENKOTE™ SEALFLEX™ is designed for indoor and outdoor use on all conventional high, medium or low pressure or high velocity - metal, fiberglass and flexible heating and air conditional duct systems. GLENKOTE™ SEALFLEX™ can also serve as a mending or patching membrane for repair.

  • Easily applied
  • Forms permanent, flexible seal
  • Highly resistant to effects of temperature changes
  • When cured, impervious to gasoline, oil, grease, weak acids and alkalis


NameMiracle-Kingco 11-500 - Glenkote Sealflex - Duct Sealant, 1 Gallon
Gemaire Item Number11500-1
Manufacturer Product Number11-500
SKU - PIM Number1402916779405
ERP Number233626
Unit of MeasureEA
Weight10.0 Pounds (Lb)
Length4.5 Inches (In)
Width16.4 Inches (In)
Height8.5 Inches (In)
Country of OriginUSA
Coverage80 sq. feet/ gal depending on application, engineering requirements, and porosity of substrate
Dry Time24 - 48 hours
Shelf Life1 year from Date of Manufacture
Solids Content57.7% ± 2.0%
ApplicationDuct Sealant
BaseSynthetic Polymer
Size1 Gallon
Viscosity190,000 –210,000 cps
UL ListedYes
GEM - Case Quantity


Parts List