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Sonolastic NP1 Polyurethane Sealant
BASF MasterSeal NP 1 Stone Elastomeric Polyurethane Sealant is a high-performance formula that bonds to a variety of materials and stays bonded through freeze-thaw cycles.
Sonolastic NP1 Polyurethane Sealant
Item #: 36236658

Sonolastic NP1 Polyurethane Sealant

Item #: 36236658

SRD 988

Price Details

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BASF MasterSeal NP 1 Stone Elastomeric Polyurethane Sealant is a high-performance formula that bonds to a variety of materials and stays bonded through freeze-thaw cycles.
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What Stands Out

High Performance Sealant
NP1 Tan offers superior adhesion and flexibility, making it ideal for a variety of surfaces, ensuring lasting repairs and waterproof seals for both indoor and outdoor applications.
Easy Application
Designed for convenience, NP1 Tan comes in a user-friendly 300ml tube, allowing for precise application without the mess, perfect for DIY enthusiasts and professionals alike.
Color Versatility
With its appealing tan color, NP1 integrates seamlessly into various environments, providing a clean finish while effectively sealing joints and gaps without compromising aesthetic appeal.

Product Details

Shop Sonolastic NP1 Polyurethane Sealant online at a best price in Suriname. B0168YZ5DI
Brand NameBASF
Number of Items1
ManufacturerBASF
UPC080492301786
Unit Count10 Ounce
Number of Packs1
ModelNP1
Part NumberNP1MDBRZ
Full Cure Time7 tweeks
Surface RecommendationTile, Pipe, Counter Top, Window, Door, Sink, Tub, Walls, Gutter
Water Resistance LevelWaterproof
ColorMED BRONZE
Item FormLiquid
Item Weight10 ounces (283.5 grams)
Liquid Volume10 fluid ounces
Material TypePolyurethane
BrandBASF

Who Should Buy?

Suitable For
  • Construction Projects

    Ideal for construction applications, providing strong adhesion and water resistance for sealing various building materials.

  • Home Repairs

    Perfect for DIY enthusiasts looking to repair leaks or gaps in windows, doors, or other household fixtures.

  • Weatherproofing

    Excellent for outdoor usage, protecting seams and joints from moisture, preventing damage in wet conditions.

Not Suitable For
  • High Temperature Areas

    Not suitable for environments with extreme heat, as it may degrade and lose its sealing properties.

Product Description

Sonolastic NP1 Polyurethane Sealant

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is NP1 Stone Sealant used for?

    Answer: NP1 Stone Sealant is specifically formulated to provide durable adhesion and flexibility suitable for various types of stone surfaces. This sealant is ideal for use in both indoor and outdoor projects, ensuring a robust finish that withstands the elements. Whether you are working on natural stone, concrete, or masonry, NP1 creates a lasting bond that protects against moisture and dirt. It's widely used in construction and home improvement projects, making it perfect for sealing tiles, stone countertops, and external stone walls.
  • Question: How long does NP1 Stone Sealant take to cure?

    Answer: NP1 Stone Sealant typically requires a curing time of around 24 hours for full strength, although it can be touch-dry within a couple of hours. Factors such as environmental conditions—temperature and humidity—can influence this curing period. To achieve optimal results, ensure that the sealant is applied in temperatures between 40°F to 100°F. Real-life application shows that allowing adequate drying time leads to stronger adhesion and a more durable finish, especially in demanding environments like kitchens or outdoor patios.
  • Question: Can NP1 Stone Sealant be painted over?

    Answer: While NP1 Stone Sealant can generally be painted over, it is advisable to wait until the sealant has fully cured. Painting over uncured sealant can lead to adhesion issues and blemishes. For the best results, use a high-quality paint that is compatible with sealants. This allows you to seamlessly blend the sealed area with its surroundings, making it suitable for projects where aesthetics are as important as functionality, such as finishing a decorative stone wall or enhancing a brick patio.
  • Question: Is NP1 Stone Sealant waterproof?

    Answer: Yes, NP1 Stone Sealant is highly waterproof and designed to offer exceptional resistance against moisture. This makes it perfect for exterior applications such as sealing stone facades, outdoor kitchens, and around windows and doors. The waterproof nature of NP1 helps prevent water ingress, reducing the risk of mold and structural damage over time. Customers often choose it for projects in climates with heavy rainfall, ensuring their installations remain protected against the elements.
  • Question: What colors are available for NP1 Stone Sealant?

    Answer: NP1 Stone Sealant is typically available in a variety of colors to match different stone types, including clear, limestone, and granite shades. Choosing the right color is crucial, as it can affect the final look of your project. When applying the sealant, consider the surrounding materials to ensure harmony within your design. This feature makes NP1 a preferred choice for homeowners and contractors looking to maintain the aesthetic appeal of natural stone without sacrificing protection.
  • Question: Is NP1 Stone Sealant safe for indoor use?

    Answer: Yes, NP1 Stone Sealant is safe for indoor use, particularly in areas that require moisture resistance, such as kitchens and bathrooms. The sealant emits low levels of volatile organic compounds (VOCs), making it a safer option for indoor environments. It’s ideal for sealing stone countertops or flooring, providing not only protection but also a clean appearance. Users have noted its effectiveness in enhancing the lifespan of tiled areas in both residential and commercial spaces.
  • Question: How do I apply NP1 Stone Sealant effectively?

    Answer: For effective application of NP1 Stone Sealant, begin by ensuring that the surfaces are clean, dry, and free from debris or oils. Utilize a caulking gun for precise application and fill joints and cracks evenly. Smooth the sealant with a tool or your finger for a neat finish. It is essential to work in sections and avoid over-application. Following these steps will ensure optimal adhesion and a professional-looking result, making NP1 perfect for DIY enthusiasts and professional contractors alike.
  • Question: Can NP1 Stone Sealant be used in high-temperature areas?

    Answer: Absolutely, NP1 Stone Sealant is designed to withstand high temperatures, making it suitable for areas exposed to heat. However, it’s advisable to verify that the working temperature does not exceed recommendations detailed in the product guidelines. Common applications include stone masonry in fireplaces and outdoor kitchens. Users appreciate its ability to maintain integrity and resistance under heat stress, ensuring longevity in environments where traditional sealants might fail.
  • Question: What is the shelf life of NP1 Stone Sealant?

    Answer: NP1 Stone Sealant generally has a shelf life of around 12 months from the date of manufacture when stored in its original, unopened container at room temperature. To optimize its lifespan, keep the sealant away from high humidity or extreme temperatures. Users often keep a spare tube for future projects, knowing that as long as the seal is intact and the product hasn’t expired, it can offer reliable performance whenever needed.
  • Question: Where can I buy NP1 Stone Sealant in Suriname?

    Answer: You can purchase NP1 Stone Sealant from Ubuy in Suriname. Ubuy offers a wide selection of sealants, including NP1 Stone Sealant, ensuring that you have access to quality products for all your sealing needs. Shopping at Ubuy provides a convenient and reliable platform to find the right products, especially for home improvement projects, making them a go-to source for many customers.

BASF Urethane Adhesives Editorial Review

Basf Sealant Np1 Polyurethane Alum 10.1 Oz is an exemplary choice for various sealing applications, praised for its waterproof capabilities and strong adhesion on surfaces like walls, windows, and doors. Users have highlighted its ease of use, particularly around windows, and its ability to hold up well in challenging weather conditions, like coastal rain exposure. Although a few users encountered issues with product consistency, many recommend it for larger joints and significant projects, even professional-grade jobs. Its thick formulation is particularly suited for use with caulking guns with a suitable thrust ratio, ensuring controlled application. Overall, it seems to be a reliable sealant that many would choose for both home and professional use.

Customer Reviews & Ratings

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Pros

  • Works well with tooling and stays pliable
  • Perfect match for bronze sculptures
  • Holds up well in coastal weather
  • Easy application around windows
  • Thick consistency for controlled use

Cons

  • Some tubes may arrive rock hard and unusable

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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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.
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