CCW-181 Mastic Duct Sealant | CCW-181-4

The CCW-181 Mastic Duct Sealant (Part Number: CCW-181-4) is a high-performance one-gallon duct sealant approved by UL181A/B. With a versatile black color, it's ideal for indoor and outdoor use on various duct types, including metal ducts, glass fiber duct boards, and flex ducts. Its built-in polyester reinforcement provides exceptional strength, making it suitable for all your sealing needs. This sealant is UV-resistant for outdoor applications. Install in under minutes with common tools.

Appliance Parts Center – a family-owned store in Sacramento with 25+ years of experience and a huge in-stock inventory.

We know appliances inside and out and will help you find the right part with expert, honest advice.