Np1 Elastomeric Polyurethane Sealant White 10.1 Ounce Tube

Introducing the MasterSeal NP 1 elastomeric polyurethane sealant, now available at Chicago True Value Hardware in Chicago, IL. This high-performance, one-component sealant offers exceptional flexibility and adhesion, making it an ideal choice for a wide range of sealing applications. Designed for ease of use, MasterSeal NP 1 requires no mixing and typically no priming, allowing professionals and DIY enthusiasts in Chicago to complete their projects efficiently and with confidence.

• White color: Provides a clean, professional finish suitable for many surfaces.


• 10.1 ounce tube: Convenient size for manageable application and storage.


• Approximate coverage of 26 linear feet: Offers ample material for various sealing jobs.


• Excellent flexibility and adhesion: Ensures durable seals that accommodate movement without cracking.


• Water and weather resistant: Protects joints and surfaces from moisture and environmental damage.


• Easy to gun and tool: Speeds up application and results in neat, professional-looking joints.


• Skins overnight and fully cures within a week: Allows for quick project turnaround.


• One-component formula requiring no mixing: Reduces labor costs and simplifies use.


• No primer required for most construction materials: Lowers installation costs and preparation time.


• Wide temperature application range: Suitable for use in all climates, making it versatile for Chicago weather conditions.


• Meets VOC requirements in all 50 states: Environmentally compliant and safe for indoor and outdoor use.


• UL listed and fire tested: Passes four-hour, four-inch fire and hose stream tests when used with Ultra Block or mineral wool, ensuring safety and reliability.


• USDA compliant: Approved for use in meat and poultry areas, making it suitable for food processing environments.

MasterSeal NP 1 is perfect for sealing joints in concrete, masonry, and many other construction materials without the hassle of mixing or priming. Customers in Chicago can rely on this sealant for projects ranging from residential repairs to commercial construction, where durability and ease of application are essential. Whether sealing expansion joints, cracks, or gaps, this product helps maintain structural integrity and prevents water intrusion.



Imagine using MasterSeal NP 1 to quickly and effectively seal outdoor patios, walkways, or building facades in Chicago, protecting them from weather damage year-round. Contractors working on commercial buildings will appreciate its fire resistance and USDA compliance, while homeowners can benefit from its clean white finish and long-lasting flexibility.



In summary, the MasterSeal NP 1 elastomeric polyurethane sealant is a versatile, high-quality solution for sealing needs in Chicago, IL. Available at Chicago True Value Hardware, it combines ease of use, durability, and compliance with safety and environmental standards, making it an excellent choice for professionals and DIYers alike.