Flex-Grip™ 550

Heavy texture, fiber-free duct sealant.

304132 - 1 Case w/ (4) 1 Gal. Pails (Gray) 304134 - 1 Case w/ (25) 11 oz. Cartridges

Flex-Grip™ 550

Heavy texture, fiber-free duct sealant.

Where to Buy

Water-based, heavy texture, UL 181B-M, up to 16" w.c., mold/mildew properties, excellent UV resistance.

Product Details

Flex-Grip 550 is a fiber-free, all-purpose duct sealant for use on all types of metal duct, fiberglass duct board, flex duct, and duct fabric. Distinguished by its ability to accomodate minor vibration and movement, 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.

Product #304134 - 1 Case w/ (25) 11-oz. Cartridges (Gray)
Product #304132 - 1 Case w/ (4) 1-Gallon Pails (Gray)

  • Meets requirements for UL 181B-M

  • GREENGUARD certified

  • LEED V4 qualified

  • Passes SCAQMD Rule 1168

  • Meets CDPH Emissions Requirements

Technical & Installation

  • Flex-Grip 550 | Technical Data Sheet (TDS)

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  • Flex-Grip 550 Gray | Safety Data Sheet (SDS)

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  • Flex-Grip 550 Gray | Safety Data Sheet (SDS) (Spanish)

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  • HVAC Universal Product Guide

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