Login or Sign up
Carlisle HVAC Rewards
Locator
  • Change Site Language to English
logo
  • Products
    • Sealants
      • Water-Based Sealants
      • Solvent-Based Sealants
      • Silicone-Based Sealants
      • Rolled Mastic Sealant Tapes
      • Rolled Specialty & Flashing Tapes
      • Spray-Applied Sealants
      • Sealant Accessories
    • Adhesives
      • Aerosol Adhesives
      • Solvent-Based Adhesives
      • Water-Based Adhesives
      • Adhesives Accessories
    • Coatings
      • Solvent-Based Coatings
      • Water-Based Coatings
    • Hardware
      • Damper Hardware
      • Flange & Corners
      • Flexible Duct Connectors
      • Hardware Accessories
      • Insulation Fasteners
      • Vane & Rail
    • Equipment
      • Resistance Welders
      • CD Welders
      • Mechanical Fastening Equipment
      • Sealant Application Equipment
    • Replacement Parts
    Fast Turnarounds for Critical Facilities

    Project Profile

    Fast Turnarounds for Critical Facilities

    Read More
    Sealed for Life: Rolled Mastic Sealants

    Blog

    Sealed for Life: Rolled Mastic Sealants

    Read More
    Restoring Ductwork in Historic Church Building for IAQ & Performance

    Project Profile

    Restoring Ductwork in Historic Church Building for IAQ & Performance

    Read More
  • Applications
    • Duct Restoration
    • Duct Fabrication
  • Professional Resources
    • Project Profiles
    • Tech Tips
    • Training
    • Rewards
    • Sustainability
  • Support
    • Contact Us
    • About
    • Dealer/Distributor Locator
    • Warranty
logo
logo
  • Products
    • Sealants
      • Water-Based Sealants
      • Solvent-Based Sealants
      • Silicone-Based Sealants
      • Rolled Mastic Sealant Tapes
      • Rolled Specialty & Flashing Tapes
      • Spray-Applied Sealants
      • Sealant Accessories
    • Adhesives
      • Aerosol Adhesives
      • Solvent-Based Adhesives
      • Water-Based Adhesives
      • Adhesives Accessories
    • Coatings
      • Solvent-Based Coatings
      • Water-Based Coatings
    • Hardware
      • Damper Hardware
      • Flange & Corners
      • Flexible Duct Connectors
      • Hardware Accessories
      • Insulation Fasteners
      • Vane & Rail
    • Equipment
      • Resistance Welders
      • CD Welders
      • Mechanical Fastening Equipment
      • Sealant Application Equipment
    • Replacement Parts
    Fast Turnarounds for Critical Facilities

    Project Profile

    Fast Turnarounds for Critical Facilities

    Read More
    Sealed for Life: Rolled Mastic Sealants

    Blog

    Sealed for Life: Rolled Mastic Sealants

    Read More
    Restoring Ductwork in Historic Church Building for IAQ & Performance

    Project Profile

    Restoring Ductwork in Historic Church Building for IAQ & Performance

    Read More
  • Applications
    • Duct Restoration
    • Duct Fabrication
  • Professional Resources
    • Project Profiles
    • Tech Tips
    • Training
    • Rewards
    • Sustainability
  • Support
    • Contact Us
    • About
    • Dealer/Distributor Locator
    • Warranty
Login or Sign up
Carlisle HVAC Rewards
Locator
  • Change Site Language to English
  • Products
  • Sealants
  • Solvent-Based Sealants
  • Cold-Seal

Share

Share page via email Share page via link
X

Cold-Seal

Fiber-free, solvent-based, non-hardening duct sealant.

Cold-Seal 5 Gal-321500 o.png

Cold-Seal

Fiber-free, solvent-based, non-hardening duct sealant.

Where to Buy

Cold-applied, non-hardening, fire-retardant seam sealant for use in duct seams.

Cold-Seal

  • Product Details
  • Technical & Installation

Product Details

Cold-Seal is a cold-applied, non-hardening, fire-retardant seam sealant for use in rectangular, longitudinal, Pittsburgh™, snap lock, or similar metal duct seams. Cold-Seal will not string, saving equipment cleanup labor. In addition, Cold-Seal resists drying in equipment hoses, avoiding costly replacement.

Product #321500 - (1) 5-Gallon Pail

  • Permanently Tacky Pumpable Seam Sealant

  • Meets Seal Class A and SMACNA pressure classes

  • Excellent water and mold/mildew resistance

  • Excellent Freeze/Thaw Stability

Technical & Installation

  • Cold-Seal | Technical Data Sheet (TDS)

    Download

    file-icon
  • Cold-Seal | Safety Data Sheet (SDS)

    Download

    file-icon
  • HVAC Universal Product Guide

    Download

    file-icon

Request More Information

Please complete the form and a member of our team will reach out to you.

Join the Conversation

Henry Instagram
Henry Linkedin
Henry Facebook
Henry Youtube

Get the Latest News

Sign up to receive product information, updates, and important news from Carlisle HVAC

Products

  • Sealants
  • Adhesives
  • Coatings
  • Hardware
  • Equipment

Applications

  • Duct Restoration
  • Duct Fabrication

Professional Resources

  • Tech Tips
  • Project Profiles
  • Training
  • Sustainability
  • Rewards

Support

  • Contact Us
  • About
  • Locator
  • Warranty

Legal

  • Privacy Policy
  • Unsubscribe
  • Product Search
  • Training
  • About
  • Contact Us
  • Privacy Policy

Get the Latest News

Sign up to receive product information, updates, and important news from Carlisle HVAC

©2025 Carlisle HVAC, a division of Carlisle Weatherproofing Technologies.