HD5501 MFG #: 304132
  • Brand: HARDCAST®
  • Applicable Standard: EPA, FDA, USDA
Spray-Seal is an all-purpose high performance spray able sealant for use on all types of metal duct, fiberglass duct board, duct fabric and flex duct. Distinguished by its ability to accommodate minor vibration and movement, Spray-Seal stays flexible and will not crack. Spray-Seal decreases labor substantially and increases productivity while using less material.
  • Features and More


  • Flex-Grip 550 is an all Purpose, Fiber-Free, Duct Sealant for Use On all Types of Metal Duct, Fiberglass Duct Board, Flex Duct and Duct Fabric
  • Flex-Grip 550 Stays Flexible and will Not Crack
  • Flex-Grip's Excellent Coverage Rates and Brush-On Application Reduce the Amount of Sealant Used and Lower the Labor Cost of the Installation