Seal with Confidence. Save with Carlisle HVAC.

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Not all duct sealants are created equal. With energy codes tightening and system performance under scrutiny, using a sealant that fully meets the UL Standard UL 181 is more important than ever.

Unless they have the UL logo followed by “Listed”, they are not certified. Some commoditized sealants may reference UL standards, but not all fully meet them. All water-based sealants from Carlisle HVAC are UL Listed.

The Carlisle Difference [Featured Product: Versa-Grip-181]

Liquid Mastics from Carlisle HVAC’s Hardcast^® brand undergo additional tests beyond the minimum UL 181 Standards, delivering fully certified, professional-grade performance across every jobsite.

As example, Hardcast's Versa-Grip 181 all-purpose liquid duct sealant is full UL181A-M & UL181B-M Listed, plus exceeds ASTM and EPA standards for full compliance and peace of mind. Take a Look:

• UL181A-M and UL181B-M ListedPasses ASTM C-731 & D-2202
• EPA, FDA, and USDA approved
• GREENGUARD Gold CertifiedLEED v4: City of LA Approval: RR #8427
• UV inhibitors for outdoor exposureMold & Mildew resistant 5 Cycle Freeze/Thaw stability

Buy More. Save More.

Buy 10 cases of Versa-Grip 181 (or another Hardcast Liquid Sealant)
from your distributor and Get 10% Off

How to Redeem:Submit proof of purchase by Oct. 31, 2025
Upload your receipt online or email it to cs@carlislehvac.com
Questions? Call 877-495-4822|Go with the BEST, Go with Hardcast^® from Carlisle HVAC.