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Master Builders Solutions

Master Builders Solutions is the global brand of advanced chemical solutions for construction. Our comprehensive construction chemicals portfolio includes concrete admixtures, waterproofing solutions, concrete repair and protection solutions, performance grouts and performance flooring solutions. We specialize in Air barriers Cement additives Concrete admixtures and fibers Concrete protection Concrete repair Flooring Grout Sealants Waterproofing Underground construction. 

Master Builders Solutions represents more than 100 years
of experience, innovation and expertise in the construction industry, providing advanced chemical solutions for new construction, maintenance, repair and renovation of structures. Since the early 1900's, the company has pushed the limits of chemistry and convention to develop and introduce products that improve construction in any application.

In 2014, Master Builders Solutions was launched. With the introduction of Master Builders Solutions to the construction industry, BASF launched a host of new and innovative technology including….

  • MasterSeal® NP 1™ is a one-component, high-performance, non-priming, gun-grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry. Trust MasterSeal NP 1 for your critical applications, from wall joints and window perimeters to roof seals and fire-rated joints.
  • MasterSeal NP 100 is a high-performance joint sealant offers strong, primerless adhesion to the broadest range of substrates.
  • MasterSeal NP 125 is a one-component, high-performance, non-priming, gun-grade, thermoplastic adhesive and sealant. It requires no mixing and bonds tenaciously to common building materials, including concrete and clay roof tiles, metal flashings and masonry.

Find a Rep in the U.S. or Canada.

Visit our website.

Coating and Finish Visualizer

A Professional Render Service. Our team will prepare your photo quickly and efficiently to help your customers select products. This visualizer offers the ability to design what the building will look like by choosing wall and sealant colors. Choose a product to start
customizing the look; you can choose from a variety of different finishes, textures, and colors:

  • Elastomeric
  • High Build Wall Coating Products
  • MasterSeal Traffic Deck Membrane
  • MasterSeal Traffic Decorative 
  • Thin MIL and Hydrophobic

Please upload your photo below to begin the process.

Get started today!

MasterSeal® NP 1™

MasterSeal NP 1 (formerly known as Sonolastic NP 1) is a one-component, high-performance, non-priming, gun-grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry. Used as an acoustic sealant, MasterSeal NP 1 reduces sound transmission in partition systems to support high STC values by sealing spaces around cut-outs and at perimeters of partitions.

Unique Features:

  • Available in ProPaks, reducing jobsite waste, lowering disposal costs
  • 12 standard colors to match a wide variety of common substrates
  • Wide temperature application range makes MasterSeal NP 1 suitable for all climates
  • UL listed; Passes 4–hour, 4–inch, fire and hose stream test when used with Ultra Block or mineral wool
  • Suitable for water immersion with documented performance in wet areas
  • Meets VOC requirements in all 50 states


  • One-component formula requires no mixing, helping to reduce labor costs
  • Joint movement capability ±35% provides excellent flexibility for keeping moving joints weathertight
  • Easy to gun and tool, speeding up application and making neater joints
  • No primer required for most construction materials lowering installation costs
  • Weather resistant for long-lasting weather tight seals
  • Compatible with non-rigid coatings and can be painted
  • Superior holding power for long-lasting roof tile installation


  • Interior and exterior
  • Above and below grade
  • Immersed in water
  • Expansion joints
  • Panel walls
  • Precast units
  • Aluminum and wood window frames
  • Roofing
  • Fascia
  • Parapets
  • Vinyl siding
  • Store front assemblies

Quantifying Sustainability

Third-party validated tools and services allow Master Builders Solutions to evaluate and compare the sustainability of products to help construction professionals make informed decisions. The aim of Master Builders Solutions’ Eco-Efficiency analysis is to compare similar products or processes. The Eco-Efficiency analysis balances the environmental results with a product's cost-effectiveness. It helps Master Builders Solutions and our customers decide which products are the best choice both ecologically and economically.

Developed and used by Master Builders Solutions in its own product development process since 1996, EEA methodology follows ISO 14045 for eco-efficiency and ISO 14040 and 14044 norms for life cycle assessment. The methodology has been third-party validated by NSF International.

Since 2010, Master Builders Solutions​ has been using the EEA methodology to examine the environmental life cycle of sustainable concrete solutions, beginning with the extraction of raw materials through the production of concrete.  This analysis quantifies the economic and ecological benefits of alternative concrete mixtures.

There are two main outputs from this analysis:
  1. An “Ecological Footprint ” which provides a normalized environmental comparison of
    different product alternatives analyzed with standardized environmental categories.

  2. An “Eco-Efficiency Portfolio” which considers social and statistical weighting factors to
    develop a single ecological impact for each concrete mixture balanced and plotted
    against the cost for each alternative mix. The most economical and ecological
    concrete mixes move directionally toward the upper right quadrant in the
    Eco-Efficiency Analysis portfolio. In this case, Concrete Mix 4 is shown
    as the most Eco-Efficient alternative.

Learn more.

Online Planning Tool by Master Builders Solutions

Manage your project specifications in an easy, fast and smart way with the Online Planning Tool by Master
Builders Solutions. Define the solution you are looking for by industry and building type and download a customized specification report including BIM objects, certificates and all product related documentation in only 3 steps. And if you have any questions along the way, just send your request to our team of experts, who will provide you with
an answer as soon as possible. Choose. Define. Download. These are the 3 steps to follow to get your customized specification report.

Register today!

Latest Podcasts

Wayne Heironimus and David Fuller - Manufacturer’s Reps know what’s Hot!

Wayne Heironimus and David Fuller - Manufacturer’s Reps Know What’s Hot!

S3:E38 Heidi J. Ellsworth of RoofersCoffeeShop road trips to Florida to visit with long-time friend Wayne Heironimus, owner of the Delta Rep Group, about being a manufacturers’ representative and the amazing NP1 product he has brought back to the market. Joined by David Fuller of Master Builders Solutions, they talk ...
Listen to the Podcast

Latest Webinars

February 2022 Coffee Break with Master Builders Solutions

Master Builders Solutions and Go Roof Tune Up!

Who doesn’t need a coffee break? Join RoofersCoffeeShop for a coffee break every third Tuesday of the month at 10 a.m. PST. This month we were joined by Keith Howard, of Master Builders Solitions. Watch this Coffee Break to learn more about their innovative sealants! This month's Roofer of the ...
Watch the Webinar

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