Lennox 18D43 - Boss 12522, Multi-Seal 125 Building/Construction Sealant, Translucent, 10 Ounce Cartridge
Lennox 18D43 - Boss 12522, Multi-Seal 125 Building/Construction Sealant, Translucent, 10 Ounce Cartridge
Lennox 18D43 – Boss 12522, Multi-Seal 125 Building/Construction Sealant, Translucent, 10 Ounce Cartridge is a professional-grade, multi-purpose sealant designed for long-lasting sealing in HVAC, construction, and general maintenance applications. This translucent, non-sag sealant provides excellent adhesion to a wide range of materials and remains flexible after curing, helping prevent cracks, leaks, and air infiltration over time.
Boss Multi-Seal 125 is formulated to resist moisture, weathering, and temperature fluctuations, making it suitable for both indoor and outdoor use. It adheres well to metal, glass, aluminum, masonry, wood, plastics, and many common construction surfaces without the need for a primer. The translucent finish blends cleanly with most installations, providing a neat, professional appearance.
Common applications include sealing HVAC ductwork, roof penetrations, flashing, panels, joints, seams, and general construction gaps where a durable, flexible seal is required. The 10 oz cartridge is compatible with standard caulking guns, allowing for easy and controlled application on the jobsite.
Key features:
- Translucent, professional-grade building and construction sealant
- Excellent adhesion to metal, glass, masonry, wood, and plastics
- Flexible, non-sag formula for vertical and horizontal joints
- Resists moisture, weathering, and temperature changes
- Ideal for HVAC, roofing, flashing, ductwork, and general sealing
- Supplied in a standard 10 ounce cartridge for easy application
| Package Quantity | 1 Item |
|---|---|
| Item Returns | This item can be returned |
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