Here is the Roadware Concrete Mender One Page Pitch. Things you need to know when considering, recommending, specifying, and using Roadware 10 Minute Concrete Mender™
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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!
General full depth crack repair:
Use the high-penetration abilities of Roadware 10 Minute Concrete Mender™ to make full depth crack repair.
(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.
At Roadware, we encounter many two-component polymer concrete repair products that claim to be similar to Concrete Mender™. One product even refers to itself as “Quick Mender.” However, these products are primarily polyurea-based and are often too thick to effectively penetrate concrete surfaces. Additionally, they are highly reactive, becoming sticky and gooey just one or two minutes after mixing, making them difficult to trowel. When you examine the details, you will notice a significant difference between these alternatives and the genuine Roadware 10 Minute Concrete Mender™.
Surface Tension:
Surface tension measures a liquid’s ability to overcome its internal friction and penetrate materials such as concrete. Roadware 10 Minute Concrete Mender™ has a surface tension that is one-third that of water, allowing it to enter concrete cracks and fissures more quickly and deeply than water. This low surface tension enables Concrete Mender™ to infiltrate standard bond lines and promotes structural bonding with the concrete’s aggregate. For more details, please refer to the electron microscope slide below.
Low surface tension offers another hidden benefit: it enables Roadware 10 Minute Concrete Mender™ to be mixed with more than two parts sand while still remaining workable and easy to trowel. In contrast, if you try that with a polyurea, you’ll end up with a gooey mess.
Structural Polyurethane
Roadware 10 Minute Concrete Mender™ is a polyurethane-based material designed to restore the structural integrity and aggregate interlock of distressed concrete. Its low surface tension and low viscosity allow it to penetrate concrete surfaces effectively. The product utilizes cross-linking polymer chains to bond directly to the concrete-aggregate matrix. This bonding action harnesses capillary forces to self-inject polymer chains into the surrounding concrete.
The material is engineered to have a modulus of elasticity that is lower than that of the surrounding concrete, ensuring it does not become brittle over time. Additionally, it can be mixed with manufactured sand to create a polymer concrete that is compatible with Portland Cement Concrete (PCC), enabling effective structural repairs for concrete cracks and spalls.
Advantages– One of the key benefits of this material is its very low surface tension and viscosity, which allows for effective saturation bonding of cracks without significant effort. This characteristic enables the repair process to be straightforward, requiring only minimal preparation, such as removing loose debris from the area before application.
Once applied, if the material is allowed to flow freely to the full depth of the crack, the repair can be classified as structural. To enhance the durability of the repair and prevent issues such as water pooling underneath the slab, it may be advantageous to incorporate manufactured sand or quartz into the mixture. This addition helps to optimize material usage and improve overall stability.
For cracks measuring greater than 0.125 inches in depth, it is recommended to mix the polyurethane with sand at a ratio of two parts sand to one part polyurethane. This not only extends the volume of the repair material but also significantly increases its strength. The inclusion of sand provides the added benefit of aligning the thermal coefficient of expansion of the repair material more closely with that of the surrounding concrete, thereby minimizing the risk of future cracking due to temperature fluctuations.
Another notable advantage of these polyurethanes is their versatility in application temperatures. They can be effectively applied in a wide range of substrate temperatures, making them particularly useful for repairs in freezing conditions and cold storage environments. These materials can even be applied in extremely low temperatures, as low as -20°F (-23°C), ensuring that repairs can be conducted year-round, regardless of weather conditions.
Finally, one of the practical benefits of this repair material is its quick curing time. Typically, repairs will be fully ready to accommodate traffic in approximately 10 minutes when applied at a temperature of 72°F (22°C). This rapid turnaround time minimizes downtime and allows for efficient maintenance of surfaces in both commercial and industrial settings.
Toughness:
Roadware 10 Minute Concrete Mender™ mixed with sand gets about as hard as concrete, yet it’s modulus of elasticity is slightly less than concrete so it will move with the slab, not work against it.
Easy Floor Crack Injection using cartridges:
Roadware 10 Minute Concrete Mender can be injected into a wide range cracks and delaminations using a simple cartridge and special Soft-tip injection mixers. Successful full-depth repairs have been made in 24″ of concrete.
Vertical Crack injection
For fast and easy vertical crack injection on walls and structures, we recommend the Gebbie Tech System
THE GEBBIE TECH SYSTEM TRANSFORMS VERTICAL CONCRETE WALL REPAIR
Polishable:
Polishing your floor to a mirror like finish? Repairs made with Roadware 10 Minute Concrete Mender™ will not smear into the surrounding surface or gum-up diamond polishing pads. You can even add natural sand to match the grain and color of the surrounding concrete.
Lower Cost:
By adding two parts silica or quartz sand to a gallon of Concrete Mender™ you will yield about 2.2 gallons of repair material.
A gallon of polyurea or epoxy will yield a gallon of repair material. That makes polyurea more expensive to use even at half the material cost! This does not even factor in the hidden costs of short repair life, damage to the surrounding concrete caused by pre-mature failure, or the cost of redoing the repairs when they fail.
Packaging:
Roadware 10 Minute Concrete Mender™ hand packed with state-of-the-art packaging materials. They have to be good. The very low viscosity and surface tension require it.
Freezers:
Working in the cold? We’re from Minnesota. We know first hand what it takes to work in freezing temperatures. Roadware 10 Minute Concrete Mender™ can be applied at temperatures below -30 F ( -34C). That is really cold. Exposed flesh will freeze in seconds. That is almost too cold to go ice fishing. Most repair products would freeze solid before curing and quickly fail. Roadware 10 Minute Concrete Mender™ generates its own heat. Curing will take several hours, but you will still get the same great performance.
History:
For over twenty years, Roadware 10 Minute Concrete Mender™ has performed without fail in thousands of applications. Many times outliving the facility itself.
Concrete Mender repair in a cold storage warehouse after 15 years of heavy forklift traffic. |
Utilizing technology developed to repair bomb damaged runways for NATO, Roadware 10 Minute Concrete Mender™ was reformulated and brought to commercial markets in the early 1990’s. You can find us in nearly every industry that has concrete floors, decks, slabs or surfaces.
Links:
Roadware 10 Minute Concrete Mender™
Availability:
Roadware 10 Minute Concrete Mender is made in the USA and is available from Roadware authorized distributors and dealers worldwide. Call 1-800-522-7623 or 1-651-457-6122 to find a dealer near you.
Specifications:
We took the proven Microdoweling™ 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.
How do polish a floor when your concrete is like this?
Deep cracks and surface spalling can make polishing jobs costly and difficult. A lot of the top surface has to be removed to get to a smooth finish.
Roadware 10 Minute Concrete Mender™ is a great choice for filling out all the cracks, spalls and holes before polishing.
The floor shows zero failure shown here 3 years later in 2007. The floor continues to perform today.
For the first time, Roadware 10 Minute Concrete Mender™, the industry’s only Microdoweling™ concrete repair polyurethane, is available in 50ml mini cartridges. The mini cartridge offers precise application control that is perfect for repairing hairline cracks. Each mini cartridge comes with a needle tip mixer and is simple to use. Use the 50 ml cartridge with the Roadware 5150 application tool. Each cartridge will repair about 10 feet of hairline cracks or 3 feet of 1/4 x 1/4 inch cracks.
Roadware 80105 50ml 10 Minute Concrete Mender™ mini cartridge with mixer and needle tip. |
Roadware will be exhibiting in the World of Concrete 2011. This will be our 11th year at the show. Our booth will be in the South Hall S11847 at the Las Vegas Convention Center.
For free exhibits only registration, use source code A20 when filling out the online registration form. This code is courtesy of the American Society of Concrete Contractors.
Click here to register for the World of Concrete.
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DIY Network filming a segment in the Roadware booth at the World of Concrete 2009. |
Polishing and honing concrete to smooth shiny surface is a great way to give an old warehouse floor new life. Sometimes, warehouse floors are too damaged and worn to make polishing practical. Floors that are full of cracks and spalls will require a large amount of grinding and polishing to achieve an acceptable surface. Roadware 10 Minute Concrete Mender™ may be used to restore the concrete surface and reduce the time and expense of heavy grinding. The Microdweling™ action of Roadware 10 Minute Concrete Mender™ can penetrate the surface of the cracks and spalls, fill in all the low spots, and make the floor ready for polishing.
Click on photos for a larger image.
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Pitted, spalled and cracked surfaces may be unpractical to polish. |
The first step is a light surface grinding to open up the cracks and remove any loose materials.
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An initial grinding with metal resin pads reveals cracks and spalls. |
Roadware 10 Minute Concrete Mender™ and fine silica sand mixed in bulk is troweled into the surface over the entire area and allowed to set.
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Workers trowel Concrete Mender into place. |
In about 10 – 30 minutes, the surface is polished using standard techniques. Roadware 10 Minute Concrete Mender™ will not gum-up polishing pads or smear into the surrounding concrete.
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Surface polish using standard techniques. |
After grinding, all pitting, cracks and spalls are filled and a smooth surface is quickly restored.
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Concrete Mender repairs hold up perfectly during the polishing process. |
After polishing, hardening and sealing, a beautiful polished floor is revealed.
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Concrete Mender restored floor after polishing, hardening, and sealing. |
Click here to learn more about polishing with Roadware 10 Minute Concrete Mender™
Special thank you to International Roadware Distributor Join K&C in Seoul, Korea for submitting this project.
One question we get asked all the time is if we can make a crack disappear. For the most part the answer has always been no. We can make a good repair and finish it as close as we can to the original color and surface texture. That was before Roadware MatchCrete™ Clear came along. The photos below were sent in by a concrete polishing contractor. By using MatchCrete™ clear and sand that matches the surrounding concrete, the polished repair blends in very nicely with the concrete slab. When the floor is in service, you will have to look very carefully to find the repairs. Try some Roadware MatchCrete™ Clear on your next polishing job. With a little technique and experimentation, you can get results like this.