EnviroSeal™
High-Viscosity Water-Based Duct Sealant
EnviroSeal is a smooth, high-viscosity water-based duct sealant designed for sealing joints, seams, and duct wall penetrations. Built for all HVAC ductwork applications, this indoor and outdoor-grade sealant remains flexible, is paintable, and provides excellent mold and water resistance for dependable long-term performance.
With EnviroSeal, you can protect duct systems against air leaks while ensuring project compliance. It is GREENGUARD Gold certified, UL 181B-M and UL 181A-M Listed, UL 723 Classified, LEED compliant, meets applicable SCAQMD and CDPH standards, and conforms to NFPA 90A & 90B requirements.
Also available in EnviroSeal Plus with fiber reinforcement.
Special Characteristics:
- Indoor and outdoor grade
- For applications up to 15″ w.g.
- For all HVAC ductwork applications
- Remains flexible
- Excellent mold and water resistance
- Paintable
- UL Listed 181 B-M & UL 181A-M Listed/UL 723 Classified
- GREENGUARD Gold certified
- LEED compliant, meets all applicable SCAQMD and CDPH standards
- Conforms to NDPA 90A & 90B requirements
- Union-made in the U.S.A.
Technical Information:
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| CHEMICAL TYPE: | Synthetic Latex - fiber reinforced | |
| COLOR: | Beige | |
| ODOR: | Mild (wet), none (dry) | |
| VOC CONTENT: | 0 g/L (EPA Method 24) | |
| TVOC EMISSIONS: | Private office - pass School classroom - pass (CDPH Standard Method v1.1) |
|
| DENSITY: | 11.2 +/- 0.3 lbs per gallon | |
| SOLID CONTENTS: | 62% +/- 1% | |
| SHORE A HARDNESS: | >50 | |
| VISCOSITY: | 250,000 +/- 25,000 cP | |
| APPLICATION TEMPERATURE: | 35° F to 110° F | |
| SERVICE TEMPERATURE: | 0° F to 220° F | |
| STORAGE TEMPERATURE: | 35° F to 110° F | |
| DRY TO TOUCH: | 1 hour (approximate) | |
| CURE TIME: | 24 to 72 hours (depending on humidity, application, and temperature) | |
| FLEXIBILITY: | Pass (ASTM D522 1/8" Mandrel Bend) | |
| MOLD RESISTANCE: | Pass (UL 181B Mold & Humidity Test) | |
| FREEZE THAW STABILITY: | Pass | |
| ADHESION STRENGTH: | Pass - exceeds standards (UL 181B Peel Adhesion) | |
| COVERAGE: | 25 sq ft/gal at 1/16" 50 sq ft/gal at 1/32" |
|
| SHELF LIFE: | 1 year (unopened container) | |