

🖤 Seal smart, seal strong — the pro’s choice for flawless joints!
MasterSeal NP1 is a 10.1 Oz. black polyurethane sealant designed for high-performance, moisture-curing applications. It offers permanent elasticity, making it ideal for active joints in both interior and exterior settings, including walls, pavements, and structural components. Sold in a convenient pack of 4, it ensures durability and professional-grade results across diverse construction and repair projects.
N**Y
Excellent sealant for roof penetrations.
This product is what I wanted. It may not be readily available but it’s worth the effort to get the right product for your project.
K**X
works great
works great
Trustpilot
1 month ago
1 month ago