EX 205 HVAC Sealant
EX 205 is a fiber-reinforced mastic sealant designed to seal leaks in HVAC ductwork and mechanical connections. It creates a durable, flexible, and airtight seal to improve system efficiency and performance.
HVAC Sealant Key Applications
- Duct joints and seams
- Furnace and air handler connections
- Register-to-wall or floor connections
Key Benefits
- Improves energy efficiency by reducing air leakage
- Creates a long-lasting, airtight seal
- Flexible and durable under operating conditions
- Easy application
Installation Overview
- Apply to clean, dry duct surfaces
- Lay flat to cover joints and seams Product is in a roll
- Ensure full coverage across connection points
- Material stays pliable to form an airtight seal
Certifications
UL-certified for HVAC applications (if applicable—confirm later)
Tips, Tricks & Guidance
Not intended for structural sealing applications
Surface must be clean and properly prepared for adhesion
Need a Different Sealing Solution?
Need surface-to-surface sealing → Butyl & Gasket Tape
Sealing concrete joints → Crete-Stik
Need water-activated expansion → Hydrophilic Waterstop
Need fuel resistance → EX 221
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Contact Us
Call (574) 264-9614