Brand Spotlight: Metzger McGuire - Concrete Joint Fillers & Repair Products
10th Jun 2025
From the creation of the industry’s first semi-rigid joint filler, MM-80, to the rapid-setting polyurea joint fillers and repair products of today, you can count on Metzger/McGuire as your first and best source for all your concrete floor void filling needs.
They offer a wide range of epoxy and polyurea products to provide a void-free concrete floor surface. From filling joints to repairing cracks and surface defects to grouting polished concrete floors, Metzger/McGuire has a product that will suit your unique needs. Their products are available in a wide range of colors to best match your floor design. Every product is paired with a top-notch customer service or technical representative.
Why Metzger McGuire is a Trusted Name in Concrete Repair
Metzger/McGuire floor joint fillers and concrete repair products are engineered to provide the best protection in a wide range of concrete floor settings. From heavy-duty warehouse and distribution center facilities to the stained and polished concrete floors widely used in retail stores and schools, Metzger/McGuire products have proven efficient.
When evaluating products for your next project, knowing the different manufacturers and what they offer will help immensely. Working with a manufacturer that produces a wide variety of materials also helps.
When polishing concrete, you will eventually need a joint filler, pinhole grout, or spall repair material. One or more of these are commonly used on every polished concrete project, no matter if it’s an industrial floor or a residential basement. As a distributor of Metzger/McGuire concrete products, Niagara Machine gives you access not only to the top-performing materials in the industry but also to the vast knowledge of our sales team! Niagara has been in the surface preparation industry since 1954. We have a firsthand approach when selecting materials to sell. Before we become a distributor, we install these concrete repair products on multiple projects to evaluate their usefulness.
Overview of Popular Metzger/McGuire Products
Metzger/McGuire manufactures materials that will fill or repair a void in a concrete surface. The void type and location will dictate which material should be used.
- Metzger/McGuire Surface Refinement Grout (SRG)
- Metzger/McGuire SRG has been developed to fill/repair concrete floor surface imperfections such as air holes, popouts, surface pitting, scratches, and gouges. SRG is designed for use in commercial, retail, or residential polished concrete floors where final building temperatures are 32°F (0°C) to +120°F (49°C).
- Metzger/McGuire Edge-Pro (80 and 90)
- Metzger/McGuire Edge-Pro was developed to fill and protect joints in exposed retail and warehouse concrete floors. Its primary function is to protect joint edges from spalling under material handling vehicle traffic. Edge-Pro is intended for use where final operating temperatures are from -20°F (-29°C) to +120°F (49°C)
- Metzger/McGuire Spal-Pro RS 88 (65)
- Metzger/McGuire Spal-Pro RS 88 has been developed to fill and protect joints in concrete floors. Its primary function is to support such traffic and protect joint edges. Spal-Pro RS 88 is intended for use where final temperatures are from 32˚F (0˚C) to +120˚F (49˚C).
- Metzger McGuire Rapid Refloor
- Metzger/McGuire Rapid Refloor is 100% solids, two-part, low viscosity structural polyurea/polyurethane hybrid intended for use in repairing cracks and small surface defects such as bolt holes and pop-outs in industrial, retail, or commercial concrete floors. Rapid Refloor’s rapid set chemistry allows for return to service in 30 minutes or less.
- Metzger McGuire Spal-Pro Pit Grout
- Metzger/McGuire Rapid Refloor Pit Grout has been developed to fill/ repair concrete floor surface imperfections such as air holes, pop-outs, surface pitting, scratches, and gouges. It can also be blended with dry aggregate to produce a repair mortar for various concrete deficiencies. Rapid Refloor Pit Grout is designed for use on concrete floors where final building temperatures are 32°F (0°C) to +120°F (49°C).
- Metzger/McGuire MM80
- Metzger/McGuire MM-80 is a semi-rigid epoxy joint filler developed to fill and protect joints in industrial concrete floors subject to hard wheeled material handling traffic and heavy loads. Its primary function is to support such traffic and protect joint edges. MM-80 is designed for use in areas where final temperatures are from 40˚F (10˚C) to +120˚F (49˚C).
- Metzger/McGuire Armor Hard
- Metzger/McGuire Armor-Hard is 100% solids, two-part, fast-set structural epoxy/epoxy mortar intended for repairing joints, cracks, and other surface defects in industrial concrete floors. Armor-Hard fast set chemistry allows for return to service in as little as 2 hours and installation in temperatures as low as 20ºF (-7ºC). Kit includes a specially engineered aggregate blend designed for easy troweling/finishing.
- Metzger/McGuire Spal-Pro Stabilizer
- Metzger/McGuire Spal-Pro Stabilizer is a 100% solids, two-part semi-rigid polyurea polymer intended for under-slab stabilization of deflecting/rocking concrete floor panels. Spal-Pro Stabilizer allows for return to service in 60 minutes or less.
Where to Buy Metzger McGuire Products
With today’s technology, it is possible to buy almost anything online. Sometimes it works out, but other times it's a mistake. With joint fill and spall repair materials, having a direct technical person to walk you through the installation process is immensely helpful. Speaking with someone who has installed the material and knows the difficulties will provide you with invaluable information, which can lead to a positive installation.
We are a long-time distributor for Metzger/McGuire and are confident we can help you with any questions regarding their products. Our field representatives are spread nationwide and all have experience in installing Metzger/McGuire materials. Need a demonstration? Our guys are more than willing to do just that. As they move through their territories, they are continuously helping contractors to make the right material decision.
How to Choose the Right Joint Filler or Repair Product
If you do not have the experience to select the correct material for your project, don’t hesitate to give us a call. We engage in this type of situation every day. There are so many materials on the market that claim to perform in a certain application. That is where a well-versed distributor, such as Niagara Machine, will be your greatest asset.
Conclusion
During the material selection process, you should look for a manufacturer that has a complete offering, not just one product. Metzger / McGuire has an array of products to choose from that will fit your needs.
Metzger / McGuire sells through distribution, and we are a stocking distributor for quick service. Our factory-trained inside and outside representatives have the knowledge and experience to answer your questions and ensure a successful project.