Hardcast - The Original Two Part II Duct Sealing Ststem
- Hardcast Brand original indoor/outdoor two-part, tape and liquid duct joint sealer.
- Liquid (part one) is applied to both sides of tape (part two) before installation.
- Tape is white mineral-gypsum-compound-impregnated fiber tape.
- Bonding time is 72 hours (indoor). See application instructions.
- Disposable brushes for liquid application to tape.
- Coverage: approximately one gallon RTA-50 per two 3"x150 ft. rolls of DT-5300.
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