Duct Sealing

Aeroseal

Aeroseal LLC

6.1 - Good

Patented aerosol duct sealing technology reducing leakage by up to 95% with computerized verification, deployed in 90+ countries.

Design Polymerics DP-1010

Design Polymerics (Meridian Adhesives)

4.3 - Fair

Premium zero-VOC, UL-listed water-based duct sealant rated for high-pressure systems up to 15 inches water gauge.

Duct Armor

Duct Armor

4.6 - Fair

Liquid rubber duct sealant applied through vents that hardens to seal leaks and can encapsulate asbestos and mold.

Hardcast Foil-Grip 1402

Carlisle HVAC

4.7 - Fair

Pressure-sensitive rolled mastic sealant tape with 40-year cycle life for instant air-tight duct joint sealing.

Hardcast Iron-Grip 601

Carlisle HVAC

4.6 - Fair

GREENGUARD Gold certified, fiber-free water-based duct sealant for commercial and residential HVAC applications.

McGill AirSeal Uni-Mastic 181

McGill AirSeal

4.4 - Fair

Professional-grade duct sealer formulated for low-, medium-, and high-pressure commercial and industrial duct systems.

Fiber-reinforced, UL-listed water-based mastic preferred by professional HVAC and weatherization contractors nationwide.

Retrotec DucTester

Retrotec

5.5 - Good

Professional duct leakage testing equipment for HVAC contractors and energy auditors with 30+ years of precision.

Vent Cap Systems Duct Testing Supplies

Vent Cap Systems

4.3 - Fair

Complete duct leakage testing supplies including duct blasters, vent caps, and HERS rating equipment for contractors.