Tag Archives: cracks

concrete mender, Concrete Repair

Ultimate Guide to Concrete Crack Repairs for OSHA‑Ready Warehouses

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Warehouse floors take a beating—forklifts, pallet jacks, foot traffic, and constant vibration. For OSHA‑focused warehouse managers, damaged concrete isn’t just a maintenance issue. It’s a compliance risk, a trip hazard, and a potential injury waiting to happen.

Roadware 10 Minute Concrete Mender™ is engineered for fast, structural repairs that support OSHA requirements while keeping your facility running with minimal downtime. For crack repair, concrete, spall, warehouse, OSHA, trips, falls, floor, this solution delivers rapid sealing and strength.

It cures quickly to minimize disruption and restores load bearing capacity without requiring extensive downtime, enabling routine operations to continue. By addressing cracks and spalling efficiently, it reduces safety risks while supporting compliance programs and preventive maintenance strategies across facility floors and high traffic areas.

Why OSHA‑Focused Managers Choose Concrete Mender

Concrete Mender uses Microdoweling™ technology to penetrate deep into concrete and form a structural bond. It is not a surface patch, which helps it resist wear in high‑traffic areas. This design supports long-term durability in challenging manufacturing settings. It reduces downtime and maintenance costs over time.

This capability supports crack repair, concrete, spall, warehouse, OSHA, trips, falls, floor concerns across industrial floors. For many facilities, that makes it ideal for durable floors and safer operations. The Microdoweling approach creates a cohesive, load-bearing matrix. That approach contributes to safer, more reliable floors.

  • 10‑minute return to service
  • Structural Microdoweling™ bond
  • Ultra‑low viscosity for deep penetration
  • Flexible strength for forklift impact
  • Performs from –30°F to 100°F (perfect for freezer warehouses)
  • Repairs stay flush to eliminate trip hazards

Each of these directly supports OSHA’s expectations for safe, stable walking and working surfaces.

How Concrete Mender Supports OSHA Compliance

OSHA requires employers to maintain floors that are free of hazards and structurally sound.

Concrete Mender helps meet these expectations by addressing the root causes of floor failures.

Common OSHA‑Relevant Repair Targets

  • Trip hazards from lifted joints or spalled edges
  • Cracks that widen under forklift vibration
  • Spalls that create uneven walking surfaces
  • Damaged control joints that cause pallet jack hangups

Crack Repair: Stop the Spread Before OSHA Notices

Cracks are progressive failures. Under forklift traffic, they widen, chip, and eventually become hazards. Concrete Mender’s ultra‑low viscosity allows it to wick deep into cracks, bonding the concrete internally.

  • Prevents crack migration
  • Stops edge chipping
  • Resists forklift‑induced widening
  • Blocks moisture intrusion

The result is a structural repair—not a cosmetic patch.

Spall Repair: Restore Walking Surfaces to OSHA Standards

Spalls create uneven surfaces that OSHA inspectors immediately flag. Traditional epoxies often fail because they’re brittle. Concrete Mender combines flexible strength with deep penetration to create long‑lasting repairs.

  • Impact-resistant
  • Thermal‑stable
  • Flush, smooth finish
  • Compatible with high‑strength aggregates

Joint Repair: Keep Forklifts Moving Safely

Damaged control joints cause tire damage, pallet jack hangups, and load instability. Concrete Mender rebuilds joints structurally, allowing them to flex under load instead of breaking apart.

Roadware 10 Minute Concrete Mender applied in volume with a GMP 050 Pump from APPLIED ADHESIVES.
Roadware 10 Minute Concrete Mender applied in volume with a GMP 050 Pump from APPLIED ADHESIVES.

Installation Workflow (Fast & OSHA‑Friendly)

Concrete Mender’s repair process is designed for minimal disruption:

  1. Clean and prep the repair area
  2. Mix Concrete Mender (1:1 ratio) and sand
  3. Flood the crack, spall, or joint
  4. Add sand to build the repair if needed
  5. Reapply until flush
  6. Grind or shave smooth if needed
  7. Open to traffic in 10 minutes

Concrete Mender vs Epoxy: Why It Wins in OSHA‑Driven Facilities

FeatureConcrete MenderEpoxy
Return to service10 minutesHours to days
Bond typeStructural Microdoweling™Surface patch
FlexibilityToughBrittle
Temperature range–30°F to 100°FLimited
Long‑term durabilityExcellentOften fails under forklift traffic

Final Takeaway for Warehouse Managers

If your facility needs to stay OSHA‑compliant while running at full speed. Roadware 10 Minute Concrete Mender™ is the most reliable crack, spall, and joint repair system available. It eliminates hazards, restores structural integrity, and keeps your operation moving—all with a 10‑minute return to service.

Concrete Repair, Concrete Repair

Proven Full-Depth Hairline Crack Injection Breakthrough

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Roadware Is Rewriting the Rules of Concrete Repair

Roadware 10 Minute Concrete Mender™ and Easy‑Injection mixers are challenging long‑held assumptions in the concrete repair industry. Full‑depth structural repair in hairline cracks—without cutting—was once considered impossible. Today, it’s becoming standard practice.

Broken Rule One Hairline cracks are not worth fixing.

Hairline cracks have long been dismissed as insignificant. Contractors often reassure customers with familiar lines: “Concrete cracks—it’s normal,” or “It’s only on the surface.”

But the reality is unavoidable: every major crack begins as a hairline crack. Some are so fine they’re invisible until they propagate. We rely on control joints to guide shrinkage, yet concrete still cracks where it shouldn’t. And because the industry lacked an efficient way to repair these micro‑cracks, we learned to ignore them.

Customers don’t ignore them. They see flaws in a brand‑new floor. They want answers—and now, finally, there’s a solution.

Broken Rule Two You have to cut open a hairline crack to repair it.

Traditionally, this rule made sense. If repair material can’t reach the crack, it can’t do its job. Cut‑and‑fill methods using diamond saws have been the backbone of structural crack repair for decades.

But cutting is invasive, dusty, and slow—and unnecessary for hairline cracks.

Scoring a concrete crack with a diamond grinder.

What the industry needed was a way to push repair material into cracks too small to open mechanically. Roadware 10 Minute Concrete Mender, paired with Easy‑Injection mixers, delivers exactly that. The ultra‑low viscosity allows the material to chase cracks deep into the slab, restoring aggregate interlock from the inside out.

This isn’t caulk. This is structural repair at a microscopic scale.

Broken Rule Three Crack injection requires pumps, ports, slow epoxy, and lots of time.

Traditional injection systems are cumbersome: ports every few inches, high‑pressure pumps, and epoxies that take hours to cure. And after all that effort, epoxy often settles beneath the slab instead of staying in the crack.

Roadware’s system flips the script.

With Easy‑Injection mixers, installers can fill cracks as small as 20 mil (0.02 inches) using nothing more than a 3/8‑inch drill hole and a manual gun. Concrete Mender flows visibly along the entire length of the crack—no pumps, no ports, no waiting.

And unlike epoxy, Concrete Mender begins to gel in about five minutes, locking itself into place before gravity can pull it away.

1006-STR Roadware Easy Injection static mixer for Roadware 10 Minute Concrete Mender 600ml Cartridge.

Why It Works: Microdoweling™

Roadware 10 Minute Concrete Mender doesn’t behave like brittle epoxy. It penetrates the concrete’s pore structure, creating a Microdoweling™ effect—a mechanical bond that engages the substrate instead of sitting on top of it.

Epoxies harden and become brittle. Under traffic, they grind against the bond line until the repair fails.

Concrete Mender flexes with the slab. It restores aggregate interlock. It becomes part of the concrete’s structural behavior rather than fighting against it.

This is repair from the inside out—not a surface patch, not a cosmetic fix, but a structural restoration.

Diagram showing Concrete Mender Soft-tip mixer injection into a concrete slab.

Roadware 10 Minute Concrete Mender™ and Easy-injection mixers make full-depth crack repairs in hairline cracks without cutting. This less invasive crack repair technique breaks the rules for concrete repair.

Roadware 10 Minute Concrete Mender with Easy-injection mixer repairing a hairline crack.
Concrete Mender crack injection into 24 inches of concrete.
Concrete Mender crack injection into 24 inches of concrete. Notice the material penetrating full depth.
Repaired hairline cracks less than 20 mil across using Roadware 10 Minute Concrete Mender and Easy Injection application. UV Forensic Photography. See More Here

Getting Started

80300 Roadware 10 Minute Concrete Mender 600ml Cartridge
80300 Roadware 10 Minute Concrete Mender 600ml Cartridge

1006-STR: 24-Element Static Mixer with Easy Injection Tip
1006-STR: 24-Element Static Mixer with Easy Injection Tip

1006-STR 24-element static mixer with Easy Injection Tip

concrete mender, Concrete Repair, Concrete Repair

Ultimate Guide to Fast-Curing Concrete Repairs for Warehouses

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Why Fast-Curing Repairs Matter in Modern Warehouses

Warehouse operations are faster, heavier, and more continuous than ever. A single cracked slab or spalled joint can disrupt workflow, damage equipment, and create safety hazards. Traditional concrete repair products often fall short because they cure slowly or fail under dynamic loads.

Key challenges facility managers face:

  • Heavy forklift and truck traffic
  • Tight logistics schedules
  • Rising maintenance costs
  • Pressure to reduce downtime
  • Need for long-term structural durability

This is why fast-curing, structural-grade materials are now essential—not optional.

Roadware 10 Minute Concrete Mender is widely recognized as one of the most reliable heavy-duty floor repair systems for industrial environments. Its unique Microdoweling™ action allows the material to penetrate deep into the concrete matrix, creating a permanent structural bond.

What Makes Concrete Mender Different?

  • Ultra-low viscosity (8 cps) for deep penetration
  • Structural bonding that restores aggregate interlock
  • Fast cure times—traffic-ready in 10–15 minutes
  • High durability under forklift and truck traffic
  • Works in extreme temperatures (down to –20°F)
  • Minimal surface prep reduces labor and downtime

This is true structural concrete repair designed for demanding industrial environments.

Concrete Mender crack injection into 24 inches of concrete.
Concrete Mender crack injection into 24 inches of concrete. Notice the material penetrating full depth.

Performance Benefits for Facility Managers

1. Rapid Cure for Minimal Downtime

Roadware’s fast-curing formula enables warehouse downtime reduction by allowing traffic lanes to reopen quickly—often within minutes.

2. Long-Term Durability Under Heavy Loads

Unlike brittle epoxies, Concrete Mender deforms with dynamic loads, preventing future cracking and eliminating weak patch lines.

Diagram of a spalled contraction joint repair using 10 Minute Concrete Mender headers.

3. Versatile Applications

  • Crack repair
  • Spall repair
  • Joint stabilization
  • Delamination injection
  • Polished concrete prep
  • Anchor and bolt repair

4. Works in Any Temperature

Perfect for cold storage, freezer slabs, exterior docks, and hot manufacturing environments, suitable for concrete repair.

Comparing Fast-Curing Industrial Concrete Repair Systems

To evaluate fast-curing concrete materials, facility managers should consider:

  • Cure speed (minutes vs. hours)
  • Bond strength (surface patch vs. structural penetration)
  • Flexibility vs. brittleness under dynamic loads
  • Temperature performance
  • Dust and prep requirements
  • Long-term durability

Roadware 10 Minute Concrete Mender consistently ranks at the top across all categories

Chart showing cure time vs temperature for Roadware 10 Minute Concrete Mender.
Chart showing cure time vs temperature for Roadware 10 Minute Concrete Mender.

Conclusion

In 2026, facility managers need concrete repair systems that deliver structural performance, fast cure times, and minimal disruption.

Additionally, Roadware 10 Minute Concrete Mender remains a trusted solution for industrial environments where up-time is critical.

Repairs must last.

concrete mender, Concrete Repair, Concrete Repair

Essential floor repairs for AGVs and warehouse robots

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“If your AGV’s, robots, warehouse, floor repair could talk, they would ask for Concrete Mender,” said Richard King, Roadware, Inc.

Keep your robots moving. Keep your floors performing.

AGV carrying beer on a preset path in a warehouse.
AGV’s move thousands of pounds in a single trip over the exact same path hundreds of times per day.

Automated Guided Vehicles (AGVs) and warehouse robots are the backbone of modern distribution centers, AGV’s, robots, warehouse, floor repair considerations. They run the same routes thousands of times per day—quietly, efficiently, and relentlessly. But their small, hard wheels can be brutal on concrete floors.

Over time, those repeated passes crush joint edges, wear down surface paste, and create ruts, spalls, and dusting that slow down operations and damage equipment.

Roadware 10 Minute Concrete Mender with Microdoweling™ delivers the only repair solution engineered to move with the concrete, bond deep into micro‑fractures, and stand up to the punishing traffic patterns of AGVs.

Why AGV Floors Fail — and Why Traditional Epoxies Make It Worse

AGVs concentrate thousands of pounds of load onto narrow wheel paths. When they repeatedly cross control joints and worn concrete, the damage compounds:

  • Joint shoulders crumble
  • Surface paste turns to dust
  • Ruts form in high‑traffic lanes
  • AGV drive systems and wheels wear prematurely

Many facilities try to fix this with brittle, high‑PSI epoxies. But that creates a new problem:

Hard epoxy + softer concrete = speed bumps and pop‑outs.

If your concrete is ~4000 psi and you patch it with a 10,000+ psi epoxy, the epoxy won’t flex. The surrounding concrete continues to wear, leaving raised, rigid epoxy “islands” that fracture at the bond line.

The Concrete Mender™ Advantage: Tough, Flexible, and AGV‑Ready

Roadware 10 Minute Concrete Mender® is engineered differently:

  • Microdoweling™ penetration bonds deep into the concrete matrix
  • Modulus of elasticity slightly below concrete allows repairs to flex under load
  • Repairs wear with the concrete, not against it
  • No brittle failures, no speed bumps, no pop‑outs
  • Traffic-ready in about 10 minutes — even under heavy AGV loads
  • Works in freezers down to –30°F

AGV’s, robots, warehouse, floor repair initiatives help give your operations a smoother path. Floors last longer. Your maintenance team stops chasing recurring failures.

Fast Repairs. Minimal Downtime. Maximum Uptime.

Closing aisles for hours or days is expensive. With Concrete Mender®:

  • Minimal prep
  • Fast cartridge or Easy Injection application
  • Return to service in minutes
  • Ideal for 24/7 operations, cold storage, and high-throughput facilities

AGVs can stay productive — and so can your team.

Where Concrete Mender Excels

  • Control joint rebuilding
  • Spall and pothole repair
  • Wheel-path ruts
  • Cracked or delaminated concrete
  • Freezer and cold‑storage floors
  • High‑traffic robotic lanes

If your AGVs follow the same path every time, Concrete Mender® keeps that path smooth, durable, and reliable.

Recommended Products for AGV Floor Repairs

Your AGVs Will Thank You

As Roadware’s Richard King says:

“If your AGV could talk, it would ask for Concrete Mender.”

Because smoother floors mean fewer breakdowns, less wheel wear, and more uptime.

Click here to get started with concrete mender
Concrete repairs for AGV’s need to bond under heavy traffic as well as deflect with the concrete and transfer loads to the surrounding concrete without fracturing.

AVG’s like to take the same path every time. This can prematurely wear out concrete floors.
AGV drive system in an Automated Guided Vehicle.
The drive system in a typical AGV can haul a lot of weight, but the floor needs to be smooth.
Warehouse and AGV floors can be repaired and open for traffic in about 10 minutes after application with Roadware 10 Minute Concrete Mender.

Products used in this application:

80300 Roadware 10 Minute Concrete Mender 600ml Cartridge
80300 Roadware 10 Minute Concrete Mender 600ml Cartridge
80020 Roadware 10 Minute Concrete Mender Two-Gallon Kit
80020 Roadware 10 Minute Concrete Mender Two-Gallon Kit

80020 Roadware 10 Minute Concrete Mender Two-Gallon Kit

 

concrete mender, Concrete Repair

Quick Concrete Solutions for Bridge Maintenance

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Bridge maintenance crews in West Virginia are using Roadware 10 Minute Concrete Mender to repair hairline cracks in bridge decks. Concrete Mender is a high-performance, rapid-curing concrete repair product designed to restore structural integrity and prevent further deterioration. It is specially formulated to bond well with existing concrete and withstand harsh environmental conditions. Applied with 600 ml dual cartridges and a needle tip mixer, Concrete Mender allows for precise application and minimal waste. The product’s quick curing time of just 10 minutes facilitates rapid reopening of traffic.

Before application, cracks are lightly scored with a diamond blade to ensure proper bonding. Dust and dirt are removed to achieve a clean surface. Concrete Mender is then applied to the top of the crack and allowed to soak in, creating a strong, durable seal. Silica sand is sprinkled onto the wetted surface to enhance bonding strength and surface texture. The material is allowed to cure for 10 minutes, after which traffic can resume immediately, reducing downtime and maintaining safety.

 

1006-15 24-element static mixer with 15-gauge needle tip
1006-15 24-element static mixer with 15-gauge needle tip

1006-15 24-element static mixer with 15 gauge needle tip.

80300 Roadware 10 Minute Concrete Mender 600ml Cartridge
80300 Roadware 10 Minute Concrete Mender 600ml Cartridge

concrete mender

Roadware 10 Minute Concrete Mender™ Top Applications

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Roadware 10 Minute Concrete Mender™ top applications:

General full depth crack repair:

Use the high-penetration abilities of Roadware 10 Minute Concrete Mender™ to make full depth crack repair.

 

CRACK REPAIR

1. Clean out with diamond grinder and remove dirt and dust.
2. Flood with Roadware 10 Minute Concrete Mender™
3. Add a fine graded silica sand and additional liquid to grade.
4. Strike off excess material and allow to cure for 10 minutes at 70°F.
5. Open to traffic. Finish and blend with a grinding stone if desired.

 

SPALL REPAIR

1. Clean out with diamond grinder and remove dirt and dust.
2. Flood with Roadware 10 Minute Concrete Mender™
3. Add a fine graded silica sand and additional liquid. Work in one inch lifts to grade.
4. Strike off excess material and allow to cure for 10 minutes at 70°F.
5. Open to traffic. Finish and blend with a grinding stone if desired.

HAIRLINE CRACKS

1. Score the top of the crack with diamond blade or wire brush.
2. Remove dust with a vaccume.
3. Flood with Roadware 10 Minute Concrete
Mender™ supplied in twin cartridges and optional needle tip mixer.
4. Add a fine graded silica sand to larger areas and allow to soak in.
5. Strike off excess material and allow to
cure for 10 minutes at 70° F.
6. Open to traffic. Finish and blend with a
grinding stone if desired.

SPALLED CONTROL JOINT

(Fully cured non-moving)
1. Clean out with diamond grinder and remove dirt and dust. Score back spall with blade for a finished look.
2. Flood with Roadware 10 Minute Concrete Mender™
3. Add a fine graded silica sand and additional liquid to grade.
4. Strike off excess material and allow to cure for 10 minutes at 70°F.
5. Open to traffic. Finish and blend with a grinding stone if desired.

DELAMINATED SLAB

1. Drill hole into void.
2. Remove dust with a vacuum.
3. Flood with Roadware 10 Minute Concrete
Mender™ supplied in twin cartridges.
4. Add a fine graded silica sand and
additional liquid to fill holes to grade.
5. Strike off excess material and allow to
cure for 10 minutes at 70° F.
6. Open to traffic. Finish and blend with a
grinding stone if desired.

THRESHOLDS AND
UNEVEN SLABS

1. Clean out with diamond or wire grinder and remove dirt and dust. Score lower edge with diamond blade for a finished look.
2. Flood with Roadware 10 Minute Concrete Mender™
3. Add a fine graded silica sand and additional liquid to a mortar consistency.
4. Shape with a clean steel trowel and allow to cure for 10 minutes at 70° F.
5. Open to traffic. Finish and blend with a grinding stone if desired. Maintain existing expansion joint if necessary.
concrete mender

When the busses have to keep rolling, Concrete Mender gets going.

When a city bus garage in the Pacific Northwest needed a fast concrete repair solution, crews turned to Roadware 10 Minute Concrete Mender™.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™

Mission critical concrete repairs is what we do here at Roadware. Facilities like city bus garages have areas that are required to be open and operational 24/7 365 days per year. Roadware 10 Minute Concrete Mender™ is your best choice for fast repairs that have to last.

January 18, 2014
Dear Roadware,
“I am writing this letter in regards to Roadware Incorporated, in particular their 10 minute mender concrete repair product. I have been involved in the concrete industry for 28 years. I am a former Certified American Concrete Institute field testing technician and have been an ACI Concrete Flatwork Finisher and Technician for more than 10 years. For the past 15 years, I have been working to perfect the art of concrete rehabilitation on structural concrete and Architectural concrete. Other repair textures include masonry, slate. granite, clay artworks and architectural stone works.At the 2011 World of Concrete Convention, I met with The Roadware sales staff. I was quite intrigued and impressed with their 10 minute concrete mender product line. I was given some test samples which ultimately persuaded me into using Roadware product.
Our first project using Roadware products was a complicated repair contract with a bus transit authority and I had to include a two-year warranty. There would be limited time access during the repair and I needed a product that would withstand heavy bus traffic within hours of application. I submitted my bid using the specifications and MSDS for the 10 minute mender product line and believe this may have been the reason I was awarded the job. End result 10 minute mender works! Fractured concrete, spalled concrete, cracked concrete. Concrete deficiencies e.g. all surface and deep restoration repairs. Microdoweling works period! 

While I was confident in the product, it is always reassuring to experience it first hand. I am quite familiar with what it takes to provide world class service to demanding customers. Roadware Employees deliver excellent customer service and unmatched product support.”

Sincerely,

William F. Neal
Bothell, WA

Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
The process starts with removing dirt and debris from the cracks and preparing them for repair.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Sometimes, remove and replace is not an option. Roadware 10 Minute Concrete Mender™ can have this back in service in minutes, not hours or days.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Roadware 10 Minute Concrete Mender™ mixed at a one to one ratio and blended with two parts sand. Each gallon of Concrete Mender makes about 2.2 gallons of repair material.

 

Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Roadware 10 Minute Concrete Mender™ can be mixed in bulk with simple tools and equipment.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Manufactured sand or quartz is added to the Concrete Mender to make a trowel-able mortar.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Roadware 10 Minute Concrete Mender™ is available in 10 gallon kits or convenient 2 gallon jug kits.
The Roadware 10 Minute Concrete Mender™ blended with silica sand is poured into the cracks and troweled flat.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Repairs can be made in all seasons with an ambient temperature range of -20F to 100F.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Roadware 10 Minute Concrete Mender™ repairs are ready for bus traffic in about 10 minutes at 70 degrees F.
Repairing concrete cracks with Roadware 10 Minute Concrete Mender™
Customer letter to Roadware

 

 

Concrete Repair

New videos showing MatchCrete™ Clear.

Last week I posed two new videos on the Roadware YouTube Channel showing Roadware MatchCrete™ Clear in action repairing cracks in an exposed aggregate concrete sidewalk and patio. I also posed a video on how to repair a hairline crack in a driveway or sidewalk.How to repair a crack in an exposed aggregate concrete patio using Roadware MatchCrete™ Clear in a 600ml cartridge.

How to repair an exposed aggregate concrete sidewalk using Roadware MatchCrete™ Clear in the 50 ml cartridge.

How to repair a hairline crack in a driveway, sidewalk, patio, or pool deck with Roadware MatchCrete™ Clear.

 
Concrete Repair

Repairing vertical cracks in concrete structures with Roadware 10 Minute Concrete Mender™.

The same Microdoweling™ properties of Roadware 10 Minute Concrete Mender™ that make the material excellent for repairing horizontal surfaces also make a good choice for vertical repairs.

 

UPDATE: New method recommended for vertical crack repair. See the Gebbie System.
Roadware 10 Minute Concrete Mender™ is a very low viscosity polyurethane that uses a surface tension one-third of water to penetrate quickly and deeply into concrete cracks. The typical process relies on self-gravity injection to fill cracks completely. What is not seen by the naked eye is the capillary action of the Concrete Mender polymer chains flowing horizontally into the sidewalls of the crack.  We call this chaining of polymers into the concrete Microdoweling™.  This chaining of the concrete together works on vertical surfaces too.
So, your saying, “How do we get this super thin material to stay in place long enough for the Microdoweling™ to take place and the repair to cure?” Over the years, Roadware contractors have come up with creative and ingenious ways to use Roadware 10 Minute Concrete Mender™ on vertical surfaces. Here are some techniques that have evolved.
UPDATE: New method recommended for vertical crack repair. See the Gebbie System.
1.     Vertical Crack Injection
This technique involves covering the vertical crack with transparent duct tape and injecting Concrete Mender through the tape with a needle tip meter/mix cartridge. This method will work well if the concrete surface is smooth and the tape can make a good bond with the surface. The crack should be 1/4 inch (5mm) or less in width. The tape will make the, “form” while the Concrete Mender sets. Concrete Mender will not stick to duct tape, so once the material cures, you can cleanly pull off the tape. It is best to warm the cartridges up to 80° F (26°C) before use for a faster gel time. Start filling the crack at the lowest point and work you way up.
See the video here.
2.     Bulk Mix and Trowel Applied Repair
Mix bulk Concrete Mender and 60-80 grit manufactured sand into a thick mortar. Working in small batches, use a margin trowel to make the repair. The fine sand will hold the Concrete Mender in place long enough for the Microdoweling™ effect to take place and for the material to set.
3.     Bag Mix and Apply
This method uses a heavy duty, clear plastic bag to quickly mix one part of blended Concrete Mender to two parts of 60-80 grit manufactured sand. Once mixed by kneading the bag for several seconds, the bag is opened and the whole batch is applied and held in place with the bag. This technique is used around building mechanical entry points such as refrigeration and HVAC units.
Whatever method you choose, Roadware 10 Minute Concrete Mender™ stands at the ready to perform. Finished repairs can be ground smooth and painted to match the wall if necessary.
Kelton Glewwe
VP Operations
concrete mender, Concrete Repair

See actual bridge deck repairs in PA on Google Maps.

See actual bridge deck repairs on Google Maps.

Google has spent the last few years mapping and photographing roads all over the world. If you know where to look, you can see actual concrete repairs with Roadware 10 Minute Concrete Mender™

The Google Map photo below shows actual bridge deck repairs with Roadware 10 Minute Concrete Mender™ on Interstate 279 in Pittsburgh, PA.  See all the lighter colored spots? Each one is a hole or spall filled with Roadware 10 Minute Concrete Mender™. The repairs here are over three years old. Thank you Roadware distributor, Express Polymers, Inc., in the Pittsburgh area for sending this project in.


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