Large commercial buildings—big-box retailers, airports, warehouses, logistics centers, and convention halls—have made polished concrete floors one of the fastest‑growing flooring categories in the world. Facility managers and contractors now prefer polished concrete for its:
Clean, modern appearance
Low maintenance requirements
Dust‑free, smooth surface
High light reflectivity and energy efficiency
long-term durability under heavy traffic
Before any concrete floor can be polished, all cracks, spalls, joints, and surface defects must be repaired correctly.
Otherwise, poor repairs increase the risk of grinding failures, callbacks, and costly downtime.
This highlights why polished concrete floor repair is essential for reliability and uptime.
Why Pre‑Polish Concrete Repair Matters
Polishing equipment places extreme stress on the slab. If the repair material cannot bond, flex, and carry load, it will:
Pop out during grinding
Smear or melt under heat
Disbond under forklift traffic
Create visible defects that ruin the finish
This is why professional polishing contractors rely on high‑performance structural repair materials, not patching compounds.
⭐ Contractor Spotlight: C&C Construction Co.
“Concrete Mender™ eliminates the anxiety of repair failure.”
Curtis Venable, president of C&C Construction Co., has polished millions of square feet of concrete. His rule is simple:
“Cracks, spalls, and joints must be repaired correctly. Poor repairs undermine my credibility and cost everyone time and money.”
While Venable uses different materials depending on the job, he frequently chooses Roadware 10‑Minute Concrete Mender™ for its speed, strength, and reliability.
1. Microdowling™ Technology = Permanent Structural Bond
Concrete Mender™ is an ultra‑low‑viscosity polymer that penetrates deep into micro‑fissures, creating a structural bond stronger than the original concrete. This Microdowling™ action allows repairs to:
Transfer load without cracking
Absorb shock from forklifts and heavy equipment
Resist chemicals and moisture
Perform in extreme temperatures, including freezers
“I know it won’t melt, smear, or come out when my polishing machines run over it,” Venable says. “Some of our repairs are 6–7 years old and still perfect.”
2. 10‑Minute Cure Time = Maximum Productivity
On large polishing projects, downtime is expensive. Concrete Mender™ cures in about 10 minutes, allowing crews to:
Repair
Grind
Polish
Keep machines moving
Venable recalls a 110,000‑square‑foot national grocery retailer project:
“With six people on polishing machines for three weeks, waiting for repairs to cure is not an option. Concrete Mender keeps the job moving.”
3. Repairs That Blend Seamlessly With Polished Concrete
Retailers demand clean, uniform floors—no mismatched patches or visible repairs. Concrete Mender™ blends naturally with surrounding concrete, producing a near‑perfect color match after polishing.
“A patchwork of colors is unacceptable today,” Venable explains. “Repairs must blend into a single, clean finish.”
Retail stores and big-box chains
Warehouses and distribution centers
Airport hangars
Freezers and cold storage
Industrial facilities
Polished concrete showrooms
High‑traffic commercial floors
It can be cut, ground, polished, and colored just like the surrounding concrete—without smearing or pulling out.
⭐ Summary: The Professional’s Choice for Polished Concrete Repair
Roadware 10‑Minute Concrete Mender™ delivers:
Permanent structural bonding through Microdowling™
10‑minute cure time for maximum efficiency
Polishable, cuttable, grindable performance
Color‑blending repairs that disappear into the slab
long-term durability under heavy traffic
“Concrete polishing is more competitive than ever,” Venable says. “Concrete Mender helps me meet customer expectations for appearance, performance, and efficiency.”
Contact Roadware, Inc.
Roadware Incorporated 381 Bridgepoint Way South Saint Paul, MN 55075
Richard E. King — 800‑522‑7623 or 651‑457‑6122 Kelton E. Glewwe — 800‑522‑7623 or 651‑457‑6122
Roadware is exhibiting at the CP&S show in Milwaukee on October 20-22, 2016 in booth #119. NOW #219
The International Concrete Polishing & Staining Conference and Expo is the only event of its kind specifically designed for concrete polishing professionals. This show offers 20+ conference sessions, an Exhibit Hall featuring polishing equipment and products, slab demonstrations and more.
To take advantage of our exclusive VIP offer for free access to the CP&S Exhibit Hall, simply enter promo code RINC when registering online. We look forward to seeing you at the show! P.S. Be sure to check out the CP&S Conference, offering more than 20 technical and business management sessions geared specifically for concrete polishing professionals!
On Wednesday, October 19 … CP&S is offering Brad Humphrey’s All-Day Leadership Boot Camp for contractor owners and employee leaders in ANY construction business. With more than 35 years in the industry, Brad is a veteran construction contractor and coach who is in high demand throughout the industry. Don’t miss this intensive, all-day coaching session to help you take your company to the next level!
You can use MatchCrete™ Clear Concrete Repair Polyurethane to repair intregal color or stamped concrete.
Remove dirt, loose concrete, repair materials or failed caulk.
Use a diamond blade to slightly cut open the crack and clean out loose concrete and debris.
Use tape to mask off the crack.
Gather materials needed to make the repair. From left to right we have some brown concrete pigment, silica sand (43-30 grit), black unsanded tile grout for color, and a mixing cup.
Dispence the MatchCrete™ Clear into a cup.
Add a littlt silica sand to give the MatchCrete™ Clear some base color.
To create your color, add a small amount of powdered concrete pigment and blend with a mixing stick.
Concrete pigments are strong. It just takes a small amount to color the product.
Here we are adding some black un-sanded tile grout to the mix to make a closely matching color to the stamped concrete. You can use many types of sand and dry pigments to create the desired color and texture.
Blend well by hand for about 30 seconds. You will have about 10 – 15 minutes of working time before the product starts to gel. Work in small batches.
Pour the blended MatchCrete™ Clear into the crack. The material will start to gel and can be troweled into place before setting.
Allow to set for about 30 minutes and pull the tape.
The repair can will be ready for traffic in about an hour. Roadware MtchCrete™ Clear repairs are tough and will not crack apart like cement based materials. The repair is UV color stable and will not become brittle like epoxy. Please click here for a MatchCrete™ Clear data sheet.
Stop repairing polished concrete with polyurea joint fillers. They look like plastic, do not bond well, and do not hold-up over time. Concrete polishing lets the natural beauty of stones, sand, and rock shine through. Your repair product should as well.
We took the provenMicrodoweling™ properties of Roadware 10 Minute Concrete Mender™ and combined it with natural sands, aggregates and pigments to make repairs that not only look great, but perform better than epoxies and polyureas.
The repair pictured above shows Roadware Concrete Mender™ Off-white blended with plain concrete sand and a small amount of portland cement. This water-thin polyurethane is almost translucent. When we add nearly any type of dry sand or aggregate, we get a fast-curing polishable repair that blends beautifully with the surrounding concrete. Since this material is almost translucent, it resists shadowing effects due to over-banding when applied.
One of the most common calls we get is asking how to repair a crack in a driveway or patio. We designed Roadware MatchCrete™ Clear with this in mind. Roadware MatchCrete™ Clear is a UV stable clear polyurethane hybrid that makes effective repairs to most exterior concrete surfaces. By simply leaving the repair clear, the color of the surrounding concrete shows throughout the repair.
The first step to a good looking crack repair is to rout-out or cut the repair open with a diamond blade grinder. You only have to go about 1/4″ x 1/4″. This will create a recess for the material to rest as it soaks down further into the crack. Skipping this step will allow the material to flow uncontrollably on the surface and will create a messy looking repair.
Apply cartridge mixed MatchCrete™ Clear directly to the crack. Small amounts of silica or quartz sand can be added to keep the material from flowing out the bottom of the slab. If necessary, matching colored sand can be used to match colored concrete areas. Fill the crack to slightly below grade to prevent material from flowing on to the surface of the concrete.
After a year of service, the repair above still looks good. Please note, MatchCrete™ Clear is not a soft expansion joint material and should not be used in joints that are designed to move. Always give careful consideration as to why the concrete cracked in the first place and what the concrete is expected to do in the future before making repairs of this nature.
UPDATE:
September, 2013
We have a new video for driveway hairline crack repair:
This week the City of Minneapolis used Roadware MatchCrete™ Clear to repair cracks in the exposed aggregate walkway surface on the Stone Arch Bridge in Minneapolis, Minnesota. The Stone Arch Bridge is unique to the Mississippi River and features 23 arches, is 2100 feet long and 28 feet wide.
The bridge was built by railroad baron James J. Hill in 1883 and served as a working railroad bridge until 1965. Today the bridge is mostly used by walkers and bicyclists. The bridge also hosts many festivals and public events in the summer months.
In preparation for the summer festival season, City of Minneapolis crews used Roadware MatchCrete™ Clear to repair cracks in the exposed aggregate walkway surface. MatchCrete™ Clear is combined with matching rock to repair cracks and restore a consistent walking surface.
The process begins with routing out the cracks with a dry diamond blade
to remove loose dirt and debris. Clean and dry matching stone is placed
into the crack up to surface level.
Matching stone is added up to the surface level
Next, two-part blended MatchCrete™ Clear is poured into the repair up to the surface. This fills in all the voids between the stones and seals the crack. MatchCrete™ Clear is a semi-ridged material that will support all kinds of traffic from pedestrians to industrial fork lifts.
MatchCrete™ Clear is added to the pre-placed stone
See video MatchCrete™ Clear application video below:
Repairs will have a, wet” look for a few months and will naturally dull over time. A clear coat sealing over the entire surface will off-set this effect.
MatchCrete™ Clear repair in exposed aggregate concrete.
In a few months, Repairs with MatchCrete™ Clear will dull and blend into the surrounding concrete.
Over time, repairs will become less shiny.
Update: June 24, 2012.
MatchCrete™ Clear repairs 18 days later.
I revisited the repairs on the bridge 18 days later. The surface has been sealed. The repairs are performing as expected.
Roadware MatchCrete Clear is available is 50ml and 600ml cartridges and two gallon bulk kits.
Hello Concrete Professional,Are you attending the World of Concrete 2012 in Las Vegas?
Please accept my personal invitation to visit Roadware booth S11447
at the World of Concrete 2012. We have new Roadware concrete repair
products to show and more opportunities to grow your business than ever.
New in 2012:
Roadware MatchCrete Clear
has an improved formula that is easier to use and will not bubble or
swell under high moisture conditions. Perfect for repairing polished
concrete and exposed aggregate. We will be demonstrating this new
formula through out the day. Use MatchCrete Clear indoors or out with
confidence.
Roadware Off-white Concrete Mender
(formally known as MatchCrete Concrete Mender), is our color matching
base material for repairing and matching stained and polished concrete
floors.
Roadware 50ml Mini Cartridges. These easy to use cartridges are great for precise application and repairing hairline cracks.
Roadware 10 Minute Concrete Mender–
The gold standard in high-performance concrete repair for almost 20
years now. “It’s thin, it gets in, and it won’t pop out!” is not just a
slogan, we stake our reputation on it. Roadware 10 Minute Concrete
Mender is the mission critical concrete repair product you have been
looking for. With a surface tension one third of water, this product
gets deep into concrete surfaces and structurally bonds slabs back
together. 2010 MIP Winner.
I hope we can work with you and do more business in 2012.
See you at the show!
Kelton Glewwe
Vice President
Roadware Inc.
Office: 651-457-6122
Cell: 612-801-9200
P.S.
We tend to get swamped with the crowds at the show. Feel
free to send me a text message at 612-801-9200 before or during the show
to schedule a quick meeting.
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