Seal Faster. Perform Better.

Seal it with Hardcast Foil-Grip: A true mastic sealant on a roll.

Switch from liquid mastic and other commodity tapes.

Order from your supplier or request for a free roll.

Why switch to true-mastic tapes for change-outs, retrofits and installs?

Installs faster than liquid. Saves Labor.
Zero dry time and zero VOCs, with no mess.
Enables immediate system startup/testing.
Easy-to-tear, apply, and handle.
Conforms to angles and corners.
Versatile over seams, screws, joints.
Air-tight sealing prevents leakages.

Why true-mastic tapes from Hardcast are the superior choice.

17 mil butyl adhesive delivers an instant, mastic seal.
Fully UL181 B-FX Listed or UL Classified tapes.
Durable, long-term, 40-year cycle performance.
UV and water resistant with zero VOCs
Rated to seal pressure up to 30” w.c.
Stays sealed in high temperatures/pressures.
Ideal for change outs, installs and retrofits.

Which Hardcast true-mastic tape is right for me?

FOIL-GRIP™ 1404: UL 181B-FX Listed, 17 mil tape for general use.
FOIL-GRIP™ 1403: UL 181B-FX Listed, 17 mil tape for cold temperature applications.
FOIL-GRIP™ 1402: UL Classified, 17 mil tape for general use.
Aluma Grip AFT-701: UL Classified, 30 mil tape for heavy duty Indoor/Outdoor use.

Where can I buy Hardcast true mastic tapes?

Available from authorized Carlisle HVAC distributors in 33 or 100ft per roll. Sold cases of 4, 6, 8, 12, 26, 24 rolls.

Hardcast Foil-Grip 1404-181 BFX Product Photograph