Carlisle Hardcast Two Part Sealing System

Indoor/Outdoor Duct Sealing System

RTA-50 (outdoor/indoor)
The Original Indoor/Outdoor Duct Sealing System

  • Non-flammable Wet or Dry
  • Environmentally Friendly
  • No Unpleasant Odors or Fumes
  • For All Duct Systems

TWO PART is Hardcast’s original mineral-gypsum-compound-impregnated fiber tape and liquid adhesive duct joint sealer. The industry standard two part system for sealing low, medium and high pressure duct systems. Custom adhesives assure maximum indoor and outdoor sealing of most surfaces.

List Price
Item List Price Your Price
RTA-50 Adhesive 1 Gallon
(Outdoor/Indoor Use)
$50.00 $22.50
HardCast Applicators $191.00 $85.95
DT5300 3" Wide x 300' Tape Roll $34.32 $15.44
DT5400 4" Wide x 300' Tape Roll $45.68 $20.56