MasterSealNP1
0 ratings
MasterSeal NP1 Gray Polyurethane Caulk
genuine image
MasterSeal NP1 Gray Polyurethane Caulk
Master Seal NP 1 is a high-performance, non-priming, elastomeric sealant that requires no mixing and adheres to a variety of materials, including concrete and masonry.
MasterSeal NP1 Gray Polyurethane Caulk
Item #: 12647355

MasterSeal NP1 Gray Polyurethane Caulk

Item #: 12647355

SAR 62

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

    • 0 ratings Write a review
    In stock
    us Imported from USA store

    QTY:

    Order now and get it around Saturday, August 08
    Secured transactionsecured transaction

    Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

    Our Top Logistics Partners
    • fedex
    • dhl
    • aramex
    Master Seal NP 1 is a high-performance, non-priming, elastomeric sealant that requires no mixing and adheres to a variety of materials, including concrete and masonry.
    U-Care Warranty:
    None
    Select a Plan
    buy now pay later

    Buy Now Pay Later

    fast shipping

    Fast
    Shipping

    free return

    Free
    Return*

    secure packaging

    Secure Packaging

    100% original products

    100% Original Products

    pci-dss

    PCI DSS Compliance

    iso certified

    ISO 27001 Certified

    paypal payment
    visa payment
    mastercard payment
    tamara payment
    Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

    What Stands Out

    Durable Sealant
    MasterSeal NP1 offers exceptional durability, remaining flexible and weatherproof even in extreme conditions, ensuring long-lasting protection against water infiltration.
    Easy Application
    Designed for user-friendly application, this polyurethane caulk features a smooth consistency, allowing for effortless use with caulking guns or manual application.
    Color Versatility
    Available in gray and various colors, MasterSeal NP1 allows seamless blending with different materials and surfaces, enhancing aesthetics while providing superior sealing capabilities.

    Product Details

    Shop MasterSeal NP1 Gray Polyurethane Caulk online at a best price in Saudi Arabia. B00UMWTM5K
    • MasterSeal NP1 Gray Polyurethane Caulk
    • Weather resistant with a wide temperature range
    • Versatile moisture-curing high-performance sealant
    • Adheres to various materials including metal, concrete, and plastic
    • Provides long lasting flexibility and durability
    • Ideal for fireplace mortar and sealing HVAC duct systems
    Item Weight1 lbs (450 grams)

    Who Should Buy?

    Suitable For
    • Exterior Applications

      Ideal for sealing external joints and working in various weather conditions due to its waterproof and UV-resistant properties.

    • Construction Professionals

      Great for contractors and builders who require a durable sealant that can handle movement and heavy-duty usage.

    • DIY Homeowners

      Perfect for homeowners undertaking renovation projects, ensuring a long-lasting seal for both indoor and outdoor applications.

    Not Suitable For
    • Interior Only Use

      Not the best choice if applying solely indoors where movement and moisture levels are lower compared to exterior conditions.

    Product Description

    MasterSeal NP1 Gray Polyurethane Caulk

    Have any Query? Chat with us

    Customer Questions & Answers

    • Question: What is MasterSeal NP1 Gray Polyurethane Caulk used for?

      Answer: MasterSeal NP1 Gray Polyurethane Caulk is primarily employed for sealing joints and surfaces in a variety of construction applications. Its durable formulation makes it ideal for outdoor use, where it can resist harsh weather conditions and UV exposure. This caulk is particularly effective in sealing cracks between building materials, making it suitable for gutters, windows, doors, and masonry. It can also be used in industrial environments, ensuring a watertight seal that withstands movement and temperature fluctuations.
    • Question: How do I apply MasterSeal NP1 Gray Polyurethane Caulk?

      Answer: To apply MasterSeal NP1 Gray Polyurethane Caulk, first ensure that the surfaces are clean and dry. Cut the nozzle at a 45-degree angle and puncture the inner seal, if necessary. Use a caulking gun to apply the caulk smoothly into the joint, maintaining a steady pressure. This product adheres well when applied consistently, forming a solid bond that’s ideal for both vertical and horizontal surfaces. After application, tooling with a wet finger can help achieve a neat finish. Always follow the manufacturer's instructions for the best results.
    • Question: Is MasterSeal NP1 water-resistant?

      Answer: Yes, MasterSeal NP1 is highly water-resistant. Once cured, it creates a seal that effectively prevents water penetration, making it suitable for areas exposed to moisture. This capability is especially vital for exterior applications, such as sealing around windows and roofs, where standing water could cause damage over time. Its water resistance also makes it a reliable choice for bathrooms and kitchens, ensuring that water does not leak into unwanted areas, which can lead to mold and structural issues.
    • Question: What surfaces can I use MasterSeal NP1 on?

      Answer: MasterSeal NP1 Gray Polyurethane Caulk adheres to a wide variety of surfaces including concrete, metal, wood, brick, and masonry. Its versatility allows for use in diverse projects, making it a favored choice among contractors and DIY enthusiasts alike. When sealing between different materials, it’s essential to ensure proper adhesion by cleaning the surface thoroughly before application. This caulk’s strong bond helps maintain the integrity of structures against environmental factors, ensuring long-lasting results.
    • Question: Is MasterSeal NP1 paintable?

      Answer: Yes, MasterSeal NP1 can be painted over once it has fully cured. This feature is particularly useful for achieving a seamless appearance after caulking. It allows you to match the caulk to the surrounding paint or building materials. Before painting, it’s best to wait for the caulk to cure completely, as painting over uncured product may lead to adhesion issues. Using paint specifically designed for exterior applications can enhance durability and color retention.
    • Question: How long does MasterSeal NP1 take to cure?

      Answer: MasterSeal NP1 typically cures within 7 to 14 days, depending on environmental conditions such as temperature and humidity. Initial skinning occurs within a few hours, allowing for a tack-free surface while the deeper layers continue to cure. It’s crucial to avoid exposing the caulk to water or force during the curing process, as this could compromise the bond and functionality. This extended curing time ensures that the caulk develops its full strength and flexibility, making it ideal for dynamic joints that experience movement.
    • Question: Can MasterSeal NP1 withstand extreme temperatures?

      Answer: Absolutely, MasterSeal NP1 is designed to perform well in a wide range of temperatures, from -30°F to 140°F (-34°C to 60°C). This flexibility enables it to withstand both cold winters and hot summers without losing its seal integrity. This capability is particularly important in regions with fluctuating temperatures. Its temperature resilience ensures that the caulking maintains its properties, such as adhesion and flexibility, preventing cracking or peeling as thermal conditions change.
    • Question: What is the shelf life of MasterSeal NP1?

      Answer: MasterSeal NP1 has a shelf life of approximately 12 months when stored in a cool, dry environment. Keeping it away from direct sunlight and extreme temperatures will help maintain its efficacy. If the caulk appears expired or has changed in texture or color, it’s advisable to replace it. This longevity ensures that you have a reliable product on hand for future maintenance or projects, maximizing your investment by ensuring quality when needed.
    • Question: Where can I buy MasterSeal NP1 Gray Polyurethane Caulk?

      Answer: You can conveniently buy MasterSeal NP1 Gray Polyurethane Caulk through Ubuy in Saudi Arabia. Ubuy offers a comprehensive selection of high-quality construction materials and tools, ensuring that customers have access to trusted products. With Ubuy's efficient online platform, finding and purchasing this essential sealing solution for your projects has never been easier.
    • Question: Is MasterSeal NP1 environmentally friendly?

      Answer: MasterSeal NP1 is formulated with a focus on durability, and while it is effective in sealing, it is important to consider the environmental impact of construction products. As you plan your project, look for specific certifications or eco-labels that may indicate its environmental credentials. Overall, using this high-performance caulk can contribute to energy efficiency in buildings by sealing leaks and gaps, potentially leading to reduced energy costs over time.

    MasterSealNP1 Sealers Editorial Review

    No editorial reviews found

    Customer Reviews & Ratings

    5.0
    1 customers ratings
    • 5 Star
      100%
    • 4 Star
      0%
    • 3 Star
      0%
    • 2 Star
      0%
    • 1 Star
      0%

    Review this product

    Share your thoughts with other customers

    Platform Trust & Buyer Confidence

    trustpilot logo
    4.1/5 340 reviews
    Read reviews
    MA
    Mekki
    Verified buyer

    “Arrive before time, excellent products”

    9 July 2026 · via Trustpilot
    FS
    Farrah
    Verified buyer

    “A very big Thank you to HUDA and the Ubuy Team in helping to send my order to me yesterday!! Order # 62606425316 Customer service and operations is top for this online shopping company and I am very satisfied with the way they handle issues. THANK YOU once again!!”

    25 June 2026 · via Trustpilot
    AF
    Anila
    Verified buyer

    “Good experience of shopping through Ubuy.”

    16 June 2026 · via Trustpilot
    MG
    Mohamed
    Verified buyer

    “We feel very good about the delivery time, and the materials we received matched our order.”

    14-Jul-26 · via Trustpilot
    E
    Essam
    Verified buyer

    “Perfect service and fast delivery.”

    16-Jul-26 · via Trustpilot
    Secure Checkout Global Delivery Easy Returns Genuine Products

    Product Price History

    Important information

    • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
    • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

    SAR 62

    Order now and get it around Saturday, August 08

    QTY:

    Secured transactionsecured transaction

    PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

    Our Top Logistics Partners
    • fedex
    • dhl
    • aramex
    Fastest cross-border delivery

    Features & Benefits

    • One-component, high-performance sealant
    • No mixing or priming required
    • Adheres to multiple materials
    • Suitable for use on HVAC duct systems
    • Weather-resistant with a broad temperature range
    • Remains flexible and has impressive adhesion

    Ubuy Assurance

    Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.