Gorgeous Middle School Polish Job by Applied Flooring

Applied Flooring just completed a gorgeous polished concrete flooring job in Dearborn, MI at Woodworth Middle School. See the finished floor below…


The Applied Flooring crew wet cut with HTC metals and STI terrazzo pads. Then they polished the floor with STI FL-07 pads, densified, stained the floor with Ameripolish classic dye, guarded the floor with Prosoco LSGuard and burnished with STI Spin-1 pads.

About Applied Flooring

Applied Flooring, Inc. has been repairing concrete floors since the early 1970s. The company thrives on developing long-term relationships with repeat customers. The epoxy flooring profession has seen tremendous advancements over the last 50 years and Applied Flooring has always been at the leading edge of the industry. Applied Flooring’s knowledge in concrete resurfacing is extensive with qualified technicians and well-trained applicators.


CRMX 3-Step Polishing System: Time Saving, Cost Efficient Wet Polishing Solution

When your next concrete polishing job can benefit from a wet polishing method, consider the CRMX 3-Step Polishing System.

Advantages of Wet vs. Dry Polishing Processes

The water used to cool diamond abrasives in a wet polishing process:

  • CRMX Concrete Polishing SystemEliminates grinding dust
  • Reduces friction
  • Lubricates the polishing abrasives, extending their life

Machines used in the dry polishing process:

  • Require no water to cool the diamond abrasives
  • Eliminate virtually all of the mess usually associated with a wet polishing process that a crew must clean up, which slows productivity

During concrete polishing jobs, contractors can opt to use both processes for different stages of grinding. Dry polishing can be used for the initial phase, to remove the most concrete. To achieve the smoother stages of polishing, crews can shift to the wet polishing process.

Advantages of the CRMX 3-Step Polishing System

When this system process is followed concisely, GMI guarantees the results are “perfect” every time:

  • Works the same on all concrete floors regardless of hardness
  • Used for every stage of concrete polishing
  • Virtually dustless polishing process
  • Eliminates the need for topical polish guards
  • Reduces tooling inventory
  • Simplifies diamond selection process
  • Reduces labor costs by as much as 45%
The CRMX Polishing Process

Following proper steps and procedure is critical to achieving perfectly polished concrete every time. Each step includes instructions for tooling and chemicals. Here is how the process works:

Floor Preparation – move directly to Step 1 after floor prep unless a PCD tool is used. Then follow floor prep with the appropriate metal bond tool to mitigate the scratches before proceeding to Step 1.


Tooling Component: The 10-Segment Canvas “Setting” Tool is designed to operate in conjunction with the CRMX™ Surface Refining Agent, removing the most difficult scratches on the hardest concrete surfaces. In one fast step, reduces labor and additional tooling costs because it can follow 6-, 16-, 20-, 30-, 50-, 80- or 100-grit metal bonds

Chemical Component: Uses with tools in both Step 1 and Step 2, the CRMX Surface Refining Agent helps in removing scratches quickly, eliminating the need for lengthy grinding steps to achieve high levels of clarity.


Tooling Component: Made from natural earth materials, the 5-Segment Canvas “Refinement” Tool will not transfer spent resins in the concrete surface that cause contaminated finishes and provides a scratch-free surface that can be sealed as is. For a higher refinement, continue to Step 3.

Chemical Component: The CRMX Densifier hardens and increases density in one, ready-to-use formula, dust-proofing concrete with nano-sized particles. Once properly applied, the densifier significantly improves the durability of the surface, resisting moisture and topical water spills. The densified floor has to be completely dry before proceeding with the polishing tool.


Tooling Component: Developed to produce the cleanest finishes in the industry, the 3-inch Canvas “Polishing” Tool is constructed with the highest grade epoxy resins available, producing average gloss ratings of 70 and frequencies in the single digits.

Chemical Component: The CRMX Acid Blocker is formulated to perform in high pH environments and high traffic settings such as retail groceries, commercial facilities and industrial floors, rendering a high performance, ultra-hard, water tight, dust-repellant surface that is resistant to chemicals and acid staining. It provides a 60% increase in light reflectivity from untreated concrete surfaces without decreasing the coefficient of friction on surfaces. Burnish with a non-diamond high speed burnishing pad after the chemical has completely dried.

*Information for this article provided by GMI Engineered Products, LLC

3 Methods of Decorative Aggregate Exposure for Beautiful Polished Concrete

A growing trend in versatile, beautiful flooring solutions that can also last a lifetime is the use of polished concrete. To attain such visual aesthetics, contractors first look at the concrete itself.

Working with Concrete

There’s a time-honored adage about concrete, whether processed or not, that it is consistently inconsistent. Every single pour will be different from the next, with variations in color, cracking and overall flatness. However, the general goal is for the floor’s flatness to be as even as possible while pouring a new slab, as well as preparing the surface of an existing slab for finishing.

This being said, when pouring a new concrete floor, it’s a good idea to look at a polished finish as part of a total flooring system that includes 1) a concrete mix design, 2) curing, 3) a finishing method and 4) the actual polishing process. A concrete slab that’s poured with the polishing process in mind will greatly enhance the end result.

Working with existing concrete slabs, results are determined by the quality of the existing concrete. Color variations, contaminates, cracks, patterns left by previous floor covering, stains, nail holes, patched areas and flatness all affect the newly polished appearance.

3 Concrete Polishing MethodsThe polishing process usually includes grinding down the surface to reveal different levels of aggregate within the concrete or the addition of decorative aggregates, such as recycled glass, landscaping stone, nails, nuts, bolts, sea shells and others, seeded into the surface for decorative purposes. There are three common aggregate choices to consider when it comes to polished concrete floors:

1. Cream Polished or Surface Cream: the top layer of the concrete is made from troweled cement paste that contains the cement fines of the mix. Only 1/32 – 1/64-inch is removed from the slab surface, resulting in little or no aggregate exposure. This is a popular, economical style; the cream is the purest, most consistent in color, has the fewest imperfections and can be stained any color.

2. Salt and Pepper: the layer just below the cream made from fine aggregate – sand and very small stone that gives the concrete a “salt and pepper” look. To achieve this look, 1/64 – 1/8-inch of the cream is removed by grinding the surface, exposing small amounts of medium aggregate randomly throughout. The ideal time to start the grinding process is within 7 days of pouring the concrete slab, which helps to expose just the right amount of aggregate.

3. Exposed Aggregate: the layer below the cream and salt and pepper made from coarse aggregate within the concrete mix. To reach this layer, 1/8 – 1/4 -inch is ground from the surface, removing the top two layers. This process should start almost immediately after a concrete slab has been poured to within 3 days of pouring to achieve the aggregate exposure desired. Course aggregate comes in three sizes: small, medium and large.

After achieving the type of aggregate exposure, the concrete is polished to a desired clarity of reflection. 1) ground to a flat shine, 2) honed to refined even appearance, 3) semi-polished, for crisp, smooth look or 4) highly polished, for a mirror effect.

[INFOGRAPHIC] How to Polish Concrete with Husqvarna

After several requests for a step-by-step guide to polishing concrete with Husqvarna tooling, here it is. This 9 step concrete polishing process gives a general outline for which grits to use in each stage, the exact tool to use in each and best practices. Keep in mind however, that this is by no-means translatable to every concrete slab, it may vary, but it gives a solid starting point.

Also, in order to understand the speed requirements, it’s important to be familiar with Husqvarna’s Dual Drive Technology™ and specifically the functionality of Husqvarna floor grinder control panels, which have 2 speed controls (potentiometers). For an overview of Dual Drive Technology™, check out this blog post.

How to Polish with Husqvarna

For a complete catalog of Husqvarna grinders and tooling, visit our website. Please contact us with any questions you may have. And if you would like a customized infographic for you and your crew, please contact us and we will make it happen!

3 Popular Concrete Densifiers Demystified

Concrete densifiers are also known as chemical hardeners. When applied to a concrete floor, a densifier fills empty spaces in the material and oftentimes forms a chemical bond with the concrete, changing its properties and increasing surface density.

Benefits of Using Densifiers

Densifiers are used specifically to improve the concrete surface when polishing. As long as free lime is present, the complete saturation of a densifier will make substrate harder, which allows a more aesthetically pleasing finish grinding and polishing, and prolongs the durability of the polish. Other benefits include:

  • Reduced dusting
  • Higher, deeper gloss than untreated concrete
  • Increased abrasion resistance and weathering
  • Longer floor lifespan
  • Locks in a topical color application
  • Stain resistance
  • Easier to clean

Types of Densifiers

Different types of densifiers create a chemical bond with concrete in a variety of ways. Runyon Surface Prep carries a wide selection of densifiers; below is a comparison of the three most popular.

Ameripolish – 3D Hybrid Silicate Densifier

  • Developed to help keep concrete looking newer longer
  • Improves performance of new, old or aged and existing concrete
  • Can be used with integrally-colored cements
  • Contains UV stabilizers to help protect color from fading
  • Penetrates fast for a deep seal
  • Hardens deep to improve durability even after grinding

Convergent Pentra-Sil Densifier

  • Developed to increase the integrity and life of concrete floors
  • Patented nano lithium hardener technology reacts with the concrete to produce calcium silicate hydrate (CSH), creating a strong, virtually impenetrable and durable finish with only one-coat and no rinsing
  • Resistant to bacteria

Prosoco Consolideck LS

  • Developed to improve the appearance and performance of architectural masonry
  • Gives new life to historic buildings, monuments, existing buildings, new masonry and reinforced concrete structures
  • Lithium silicate treatment reacts with the concrete to produce CSH
  • Safer, faster and easier to apply than conventional sodium or potassium silicate hardeners
  • Will not trigger or contribute to surface ASR (Alkali Silicate Reaction)
  • Resists damage from water

Get in Touch

If you have any questions about these three concrete densifiers, or if you’d like to purchase please visit our website or call us at 800.896.8665. We look forward to hearing from you!

How to Use Glass in Decorative Concrete Countertops

ASG glass countertopToday, artisan crafted, decorative concrete or terrazzo countertops are growing in popularity, because each creation is not only unique, it’s also a masterpiece of design. The use of glass aggregate introduces a third dimension to the surface that plays off of light and color, creating a richness and depth worthy of its glorious shine.

Seeding Glass for Countertops

In this article, we’ll explore one of the most effective applications for creating unique and colorful countertops: seeding. Glass chips are sprinkled, broadcast or spread onto the surface of the concrete countertop (this application can also be used on a floor, slab or other surface). Even though it can be tricky to spread the glass uniformly onto the surface, artisans can use this technique to create customized, personalized or one-of-a-kind glass designs using less glass relative to other types of applications. Seeding can be accomplished in seven steps:

  1. Prepare and place your concrete as you normally do.
  2. Bull float the concrete to smooth out the surface, but don’t rough trowel or finish trowel your project.
  3. Spread the glass out evenly – or in a pattern – on your concrete surface using any quantity, colors and mixes of glass that you desire.
  4. Lightly trowel the glass into the still-wet concrete, gently pushing the glass into the surface, taking care not to push the glass too far in, or your finishing, grinding and polishing process will take longer. For a bolder finish, leave Pea gravel, compacted substrate, even some of the higher glass tips on the surface or sticking out of the concrete.
  5. Cure concrete for about seven days, enough time to avoid damaging the surface by finishing too early, or damaging your tools by finishing too late.
  6. Begin grinding the concrete surface with a 50-grit diamond grinding pad. Increase to a 100 grit, then 200 grit and continue increasing the grit until you achieve the finish and polish you’re looking for. Avoid scratching or scarring the concrete by wetting the surface during the entire grinding process to reduce friction between the pad and the concrete.
  7. Sweep, vacuum or wash the surface (often with muriatic acid) to remove dust. Apply a sealer of your choice, carefully following the manufacturer’s recommendations.

seeding glass diagram

When you’re looking for quality glass chips for use in decorative concrete countertops, count on Runyon Surface Prep. We carry American Specialty Glass products. ASG recommends adding an acrylic fortifier to the concrete mix to help with the adhesion of the concrete to the glass and other aggregates. Using a retarding product on your concrete surface before spreading the glass chips can also increase the working time.

*photos courtesy of American Specialty Glass

5 Simple Steps to Keep Concrete Dyes from Fading

How to Keep Concrete Dye from Fading

Concrete dyes are an attractive way to add color to a concrete floor. However, because of the nature of dye — it penetrates the porous surface to create color, rather than reacting chemically with the concrete — contractors can conduct a few assessments and tests at the job site before determining whether a concrete dye is the right product for the job:

  1. Type of Concrete. Typically, a pure color dye will change slightly, due to the minerals in the concrete, taking on a lighter or darker shade, which can also change with time. Adjust the dye color to the type of concrete for the desired shade.
  1. UV Light Stability. Sunlight can damage dyed concrete floors, causing vibrant colors to fade. Check if windows in the room are made with glass containing UV-protection, which can keep floor color from fading.
  1. Moisture Vapor Test. When moisture in concrete brings salts to the surface, it causes dyes to seep deeper into the floor, diluting their color. Testing for efflorescence cannot only root out a bigger moisture issue, it indicates whether water will cause the color to diminish.
  1. Use Stain. Concrete stains work differently than dyes, reacting chemically with the concrete to create color that is more resistant to fading from sunlight or moisture.
  1. Apply Guard. A proper guard provides long-lasting, breathable protection for the floor and its color. Apply after polishing. 

Fixing Faded Floors

If the concrete floor is already fading:

  • Clean and seal the flooring surface to stop additional fading
  • Remove the sealer, then re-dye the floor and protect with sealer

When you’re looking for quality concrete dyes and sealers, count on Runyon Surface Prep. We carry two of the top-rated concrete dyes and sealant brands in the business. AmeriPolish products assure perfect color that resists fading through cleanings, scrubbings and traffic. Prosoco products are designed to improve the appearance and performance of architectural masonry for years to come.