Hardcast - Sure-Grip 404 Solvent Based Duct Sealant

By Hardcast


  • Hardcast Brand Sure-Grip solvent based duct sealant.
  • Packaging: Standard 1-gallon pails or 11-oz. cartridges.
  • Application method: Brush, putty knife, caulk gun and trowel.
  • Coverage: Approximately 320 lin. ft./gal at 3" width, 30 mil. thick.
  • Time to Test: 24 Hours (see application instructions).
  • Flammable liquid and vapor. Keep away from open flame.
  • Review MSDS for complete safety information prior to use.
  • Compliance: UL 294U, UL 181B-M.