Np1 Elastomeric Polyurethane Sealant, Limestone Color, 10.1 Ounce Cartridge

Introducing the MasterSeal NP 1 elastomeric polyurethane sealant, now available at Stanley's Hardware in Philadelphia, PA. This high-performance, one-component sealant is designed to provide durable and flexible sealing solutions for a variety of construction needs. With its limestone color and convenient 10.1 ounce tube size, MasterSeal NP 1 offers excellent adhesion and weather resistance, making it an ideal choice for both professionals and DIY enthusiasts in Philadelphia.

• Limestone color: Blends seamlessly with concrete and masonry surfaces for a clean, professional finish.


• 10.1 ounce tube: Provides approximately 26 linear feet of coverage, ensuring efficient use for your projects.


• One-component formula: Requires no mixing, simplifying application and reducing labor costs.


• Non-priming: Typically requires no primer to bond to many materials, including concrete and masonry, lowering installation expenses.


• Excellent flexibility and adhesion: Maintains strong bonds while accommodating movement, enhancing durability.


• Water and weather resistant: Suitable for exterior applications, protecting joints from moisture and environmental elements.


• Easy to gun and tool: Speeds up application and creates neat, professional joints.


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


• Wide temperature application range: Suitable for use in all climates, ensuring reliable performance year-round.


• Meets VOC requirements in all 50 states: Environmentally compliant for peace of mind.


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


• USDA compliant: Approved for use in meat and poultry areas, expanding its application scope.

MasterSeal NP 1 is perfect for sealing joints and cracks in concrete, masonry, and other construction materials commonly found in residential and commercial projects in Philadelphia. Whether you are sealing expansion joints, repairing cracks, or weatherproofing surfaces, this sealant offers reliable performance and ease of use. Its gun-grade consistency and non-priming formula make it especially convenient for contractors and homeowners looking to complete projects efficiently without compromising quality.



Imagine using MasterSeal NP 1 to protect outdoor concrete walkways from water infiltration during rainy seasons in Philadelphia, or sealing joints in masonry walls to prevent drafts and improve energy efficiency in your home or business. Its flexibility allows it to accommodate structural movement, reducing the risk of cracks and leaks over time. Additionally, its USDA compliance makes it suitable for sealing areas in food processing facilities, ensuring safety and hygiene.



In summary, the MasterSeal NP 1 elastomeric polyurethane sealant is a versatile, high-quality solution for sealing needs in Philadelphia, PA. Available at Stanley's Hardware, it combines ease of application, durability, and environmental compliance to help you achieve professional results on a wide range of projects. Enhance your construction and repair work with this reliable sealant designed to meet the demands of various applications and climates.