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Surface Preparation for Concrete Coating Applications


Surface Preparation is Key to a Successful Coating Application

Surface preparation is arguably one of the most important tasks of the concrete coatings process. For this reason, we want to take a moment to walk you through why it is so important to prepare a surface for resinous coating adhesion and how we make sure it is done properly.


Why is Surface Preparation So Important?

Surface preparation is important because if it is not done right, the coating system could fail. For instance, if the moisture was not tested and there is too much moisture in the concrete prior to coating installation, or the concrete slab was not repaired or leveled, the coating may delaminate quickly. The reason our coatings last longer than other competitor’s is because of the pride and time we take in preparing the concrete surface for adhesion. In addition to this, we also use high-performance materials that may cost more upfront, but will be a longtime investment.

surface preparation

Patching and crack repairs.

How Do We Prepare the Surface for Proper Adhesion?

Our team will ensure that your concrete is prepared and repaired, so that your concrete coating will adhere. Look at the following ways we prepare the concrete prior to resinous flooring application.

  1. Repair the concrete.
    • Fill cracks with flexible joint filler.
      • Cracks generally must be bigger than a credit card width to warrant chasing them and filling them for the integrity of the concrete slab.
    • Level the concrete where needed.
      • Concrete must be as flush as possible for coatings to adhere properly.
    • Apply a cementitious layer and patch spalling concrete areas where needed.
  2. Grind, shot blast, or sandblast the concrete surface.
  3. Acid etch or mechanically prep the concrete.
    • Concrete needs to be a rough, sandpaper finish for the coating to adhere. This can be done either with acid etching or mechanical preparation.
  4. Dry mop the concrete or clean the area surface from dirt and debris.


surface preparation

Grinding the concrete with dust control


And to Sum It Up…

Once the concrete is prepared thoroughly and to industry standards, it is time to apply the resinous coating system! This is the exciting part because this is the part you get to see the result! One thing to consider before moving on, however, is in this process it is important to do proper moisture vapor testing to make sure the concrete’s moisture level is within industry standards to apply a coating. Otherwise, moisture will affect the coating’s adhesion. Also, we’ll give you our honest opinion if you would be better off replacing your concrete if we do not think we can repair it well enough for a coating to adhere properly.

Thank you for your interest in finding out how surface preparation is an important step to the concrete coating process! When you work with us, you can trust that you are in the right hands. We appreciate our clients and want to give them the best concrete flooring investment! Call us today to learn more at 720-258-6571!



Concrete Lifting

Concrete Lifting in Denver, Colorado

Often times our clients will ask us to “level out” their concrete slabs due to the concrete not being even. There could be a couple different reasons for this: either their concert has sunk or it has an uneven surface. If it’s the first reason, and the concrete has sunk, concrete lifting is often the best way to address the issue. If it’s the second reason, and the concrete has an uneven surface, concrete grinding is a good solution. In this article we asked the Liftech team to tell us about their system to address sunken and unstabilized concrete. We recommend this team of professionals, who have been rated Colorado’s #1 polyurethane concrete raising and stabilization company, to all of our clients who need their concrete lifted because it’s non-invasive and works more effectively than other forms of concrete lifting.

So Why Does Concrete Sink Over Time?

The Colorado Front Range is made up of a large assortment of soil types. It ranges from very sandy soils to highly expansive clay soils with ever expanding and contracting Bentonite (Claystone). When wet, Sodium Bentonite expands, absorbing as much as several times its dry mass in water. The opposite happens when dried out.

Too often in construction, soil is not properly compacted, downspouts are not properly placed and landscaping drainage is poorly designed. When large quantities of water are directed towards any concrete slab, there is a possibility of soil erosion and or compaction. This leads to concrete settlement over time. Garage floors, basements, driveways, exterior walkways, porches and patios are the areas most frequently affected. Exterior concrete is generally poured at an angle away from any structure. This is an effort to keep water from pooling in a garage or to keep it from seeping down into a basement. When settlement occurs, and water is flowing in the wrong direction towards a house, more severe problems are likely to arise.


 concrete lifting

Liftech’s Concrete Lifting Solution:

Our concrete repair plan includes the controlled lift of individual slabs of concrete. We achieve a precise result by applying expansive polymer foam just beneath the surface of the slab. This process eliminates the failing condition as well as seals and stabilizes all defective joints and sources of water penetration from further erosion. The variety of soils and substrates across the Front Range are often the root of the problem. Liftech’s concrete repair system treats the soils and addresses the water and erosion issues. The average life cycle of concrete is extended at a fraction of the cost of replacement.


  • LONG LASTING!   Polyurethane cures as a solid, impermeable structure which adheres to the concrete and is not susceptible to fracture or failure.
  • SOIL STABILIZATION!   Polyurethane is injected as a liquid and reacts within the loosely, uncompacted soils to solidify and stabilize those soils.
  • LESS INVASIVE!   Liftech uses controlled injections in penny-size holes to raise your concrete quickly and effectively.
  • LIGHTWEIGHT!   Polyurethane weighs about two pounds per cubic ft.
  • IT’S FAST!   Polyurethane cures within minutes, with your concrete ready to use again once we leave the job!
  • DEFEND AGAINST MOTHER NATURE SAFELY!   Our environmentally friendly solution creates a barrier to moisture, chemicals, insects, rodents and erosion.


Before and After Concrete Lifting:

Now that you can see why you need your concrete lifted and why we recommend Liftech for your next commercial or residential project, contact them here today!



A Concrete Bridge Coating – Durable and Aesthetically Pleasing!

What is a Concrete Bridge Coating Anyway?

concrete bridge coating

Bridge {After}

This is a great question! Why would you want to repair your spalling and cracked bridge vs. replace it? A concrete bridge coating might be just right for your project. Certain bridges need replaced, which you can tell if you see rust near rebar or crumbling to the point of seeing the mesh or rebar underneath. However, some bridges, have more aesthetic issues, like spalling and cracks that can be addressed with our sandbroadcast deck system. Concrete bridge coatings use our tried and true parking deck system with a sandbroadcast.

How we do it:

  1. Repair the concrete and prep it (wash the concrete, and in some cases, grind the concrete; patch the spalling areas and seal the cracks)
  2. Wash the surface again and apply our industrial strength coating system in a few steps
  3. Broadcast our locally sourced quartz or quartz color of your choice


We, first, repair the concrete and prep it for the sandbroadcast, which can include washing the concrete, grinding in some cases, patching the spalling areas and sealing the cracks. Second, we wash the surface again and apply our industrial coating system in a few steps. We won’t get into the nitty gritty here, but feel free to ask us questions at our consultation. Mainly, we layer heavy duty, durable epoxies on the smooth, prepped concrete, and then we broadcast in our locally sourced quartz to make the finished product durable and prolong the life of the concrete for years to come. This saves you from having to replace it, which usually will cost you at least 2-4 times as much replacing the bridge vs. repairing it.


A Boulder Homeowner’s Choice to Repair His Bridge

Recently we applied our sandbroadcast deck system to a Boulder homeowner’s beautiful bridge. The homeowner and his family were great to work with, as it took about a week to complete and it was one of their entrances to their industrial and modern home in a most lush, beautiful setting on the outskirts of Boulder. The homeowner in this case, chose our sandbroadcast system vs. replacing his bridge because his bridge was only spalling and starting to crack (see before picture below) and it was to the point where it could be saved with our system. If he were to have replaced it, it would have cost him more money. We charged him $10/square foot to apply our whole system, giving him 5 to 10 more years at least of good use. He was very pleased with the final result. It was a little sticky a few days after the sandbroadcast was complete because of the cool weather temperatures when we were in the process of applying the system, which is to be expected, especially in the month of October for concrete coatings, such as the sandbroadcast deck system we used for his bridge.


The bridge looks beautiful now and it is durable as can be! The concrete bridge coating was ideal for this family’s situation. The family can drive and walk over the bridge with confidence, knowing that even the Colorado weather will have a hard time ruining this fine finish. Call us today at 720-258-6571 to discuss your project needs! A concrete bridge coating may be just the right fit for your bridge!


Read More Below for Why Our Pool Deck Sandbroadcast System is Also Great for Bridges!

At around $10/square foot, maybe less if you have more square footage, you can opt for a concrete bridge repair using our durable and industrial grade sandbroadcast system, the same one we use for pool decks.

Replace It or Repair It?

Why would you want to repair your spalling and cracked bridge vs. replace it? A concrete bridge coating might be just right for your project. Certain bridges need replaced, which you can tell if you see rust near rebar or crumbling to the point of seeing the mesh or rebar underneath. However, some bridges, have more aesthetic issues, like spalling and cracks that can be addressed with our sandbroadcast deck system. Concrete bridge coatings use our tried and true parking deck system with a sandbroadcast.


concrete bridge coating

Bridge {Before}


concrete bridge coating

Bridge {After}


concrete bridge coating

Bridge {After}

polished concrete

Office Renovations and Polished Concrete

Polished Concrete was the ideal new flooring solution for Groendyke Transport in Brighton, Colorado.

Why did they choose polished concrete for their floors as part of their overall facility renovations?

Colorado Concrete Repair was able to give Groendyke Transport an industrial polished concrete floor in their renovated office space next to the truck washing and maintenance stations in Brighton, Colorado. We just wrapped up this project, which involved removing the existing tile and carpet flooring, as well as polishing the concrete. Our crew finished the job by the deadline, so that new office furniture could be moved in and the office team members could work back in their renovated office (and out of the temporary one they had setup). Polished concrete was an optimal option for Groendyke because they wanted to make the space brighter and they did not want to invest in a flooring that would come off over time. When we finished the project, the owner mentioned that the rooms were so much brighter with the polished concrete floor, and it had a clean look to it. He also liked the exposed aggregate in sections.

polished concrete

Polished concrete as a workplace flooring is a trend for a reason.

Just like Groendyke wanted an updated workplace environment and chose polished concrete as their flooring solution, many other office places across the country are turning to this flooring solution. When looking at how to update your workspace, consider removing the outdated and sometimes dirty existing flooring and polishing the concrete that lies beneath. You’ll instantly get a low maintenance floor that will last over time and provide a brighter workplace environment. You’ll see that many offices are choosing this industrial flooring solution for these reasons and the reasons Groendyke had to take this route.

Call us today at 720-258-6571 and we can help you renovate your office environment!

Check out our page about polished concrete to get more ideas!


Groendyke Photo Gallery:

polished concrete polished concrete polished concrete polished concrete polished concrete

Concrete Repair in Denver

Concrete Maintenance…Is It on Your Mind?

Colorado Concrete Repair specializes in repairing concrete in the Denver metro area. We have years of experience repairing cracking and spalling concrete, as well as repairing concrete joints and deteriorating concrete. Many of our clients’ facilities run forklifts and need more than just repairs; they require ultra smooth concrete floors that will allow them to run their forklifts without damaging the electronics or jostle sensitive loads.


Your concrete can deteriorate over time and it is important to maintain it, but sometimes you need to replace the concrete instead of repair it. Call us today to talk with about your concrete repair needs at 720-258-6571.


Colorado Concrete Repair helps fix ugly concrete:

  • Crack repairs
  • Joint repairs
  • Concrete patching
  • Concrete grinding
  • Concrete coatings

Crack Repairs

It is important to properly repair concrete cracks, as they have a tendency to spread if not taken care of. This is similar to how a crack in windshield can turn into a bigger problem if left untreated on your car. Concrete cracking is common because of the shifting of the earth. Concrete is poured in such away to allow it to move with the earth, but the result of this movement can be cracks on the surface.


In order to see if we should fill the crack or not, we take a look at the width of the crack. If it is a “hairline” crack, or you cannot fit your credit card in the crack, we advise to leave it alone. If it is wider than the credit card, then we advice fixing it.


To repair the crack, we clean it out and at times we’ll need to actually make it bigger to properly fill it in with our material. Our material allows it to move with the earth but stay put, as to not allow the crack to grow bigger and bigger. We fill the crack and then make sure that it is as flush as it can be to the ground.

crack repair

Municipal crack repair

Joint Repairs

Colorado Concrete Repair repairs concrete joints, so that you can ensure water is not creeping into the joints and therefore seeping into your concrete pads, causing them to sink. We will remove old joint sealant (if needed) and cut out the space to then fill it again with joint fill. This will help you maintain your concrete and expand it’s life before in needs replaced.


Joints are an important part of the concrete’s makeup. They allow the concrete to expand and contract (get bigger and smaller) with temperature and humidity changes. Since they are important it is a good idea to maintain them and we are here to help!

Concrete Patching

Patching concrete can be just as integral as crack repairs and joint repairs. The rule of thumb here when deciding if a piece of concrete needs patched or replaced is to see if the concrete is so deteriorated that you can see rebar. If you can see rebar, it’s probably time to replace that concrete because it’s only a matter of time until the patching material will come off (deteriorate), too. We can’t make promises when we patch concrete in that bad of condition. However, if the concrete is spalling a little bit, we can address the issue and will address the issue before we grind the concrete or coat it. We’ll even patch concrete if you aren’t going to do anything else with it if you need help with safety hazards. Contact us to tell us what issues you are having with your concrete and we’ll let you know the best route!

Concrete Grinding

Concrete grinding is a great solution for trip hazards, where concrete has risen so much that a door will not open or so much to where someone can easily trip over it, or a machine cannot drive over it without exhaustive effort. Colorado Concrete Repair grinds concrete for several reasons:

  • Grind and seal concrete driveways
  • Grind less than 1″ risen concrete to smooth surface
  • Grind and seal concrete floors in basements or if you have concrete floors on the main level
  • Grind and seal brewery concrete floors, restaurant concrete floors, and commercial or industrial flooring

You can get a unique industrial look to your concrete floor if we grind it and then seal it. Grinding concrete is similar to polishing, except we will not grind as many levels of concrete as we would if we wanted to get the polished concrete look. It is a good option if you are looking to smooth out your concrete surface but at the same time it will protect the surface and make it a good surface for all your business or residential needs.

Concrete Coatings

Colorado Concrete Repair will work with you to coat your existing concrete after we’ve made any repairs that are necessary to keep the integrity of the concrete. Coatings are a good option when you need to cover up existing concrete due to it not looking the way you want it to look. It is also a good option to coat concrete when you want a specific look the concrete does not already have, like a pool deck or garage floor system, or to give you a certain surface that is durable, has traction, and will resist harsh chemicals or oils, and be easier to maintain than just a concrete surface alone would be. Contact us to talk about the many options available to you with ever-advancing technology in concrete coating systems.

We can work with you to minimize downtime and keep your facility operating efficiently. Contact us to find out more.

Maintaining your concrete after repairs is just as important to repairing it.

Once we’ve repaired the concrete, it’s important to maintain it. One of the best ways to maintain your repaired concrete floor is to seal it. Colorado Concrete Repair seals concrete so that it outlasts the damaging effects of the environment, whether that be weather elements, vehicular and foot traffic, or chemical damage. As is with any floor surface, it is still best to maintain your concrete even if it is sealed. Wipe up messes when they happen and follow cleaning procedures based on the concrete finish you choose. It is also best to avoid putting magnesium chloride directly on the concrete, as it can still deteriorate the concrete because it is a harsh chemical.

Want Your Concrete Repairs To Hold Up

Tired of concrete repairs that need to be fixed and last? Have Colorado Concrete Repair come fix your cracks, pot holes, busted expansion joints and more. Colorado Concrete specialize’s in repairing flat work and verticals to your concrete. We can also help you with floor coatings as well. Give us a call today to take care of those problems so you don’t have to! 720.258.6571
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Colorado Concrete Repair Successfully Completes Work at -17F, Denver, Colorado

The Schwans Company reached out to Colorado Concrete Repair to address the quickly deteriorating concrete in the warehouse freezer room. We stepped inside the -17 degree room to survey the broken up concrete. We saw two large patches about an inch deep with large aggregate exposed deteriorated from chipping at ice and forklift traffic. The area was now uneven to drive on and this can damage the circuitry in the forklifts.

The Schwans company also received a bid to replace the concrete. They chose to have us repair the concrete after seeing our quicker turnaround time and a price tag less than 1/2 that of replacement.

Business in the warehouse went on as usual, as we worked in a specified area, utilizing dust control, allowing little dust to effect other areas. These kind of temperatures are difficult to work in, and even tougher to get proper proper bonding of repair materials in.  However, we have learned techniques from training and past experience in freezer rooms to ensure a successful bond ready for forklift traffic.

First, we profiled and keyed in the repair areas to increase mechanical bonding. We then heated small areas up, primed the areas, and patched them with Flexkrete.  We warmed the patches up to speed the set time and thin the material. The patches were overfilled so that we could ground them down perfectly smooth. Even though we worked in negative temperatures, the patch material still worked well. We were able to come through for the Schwans Company by fixing their concrete in a matter of only 3 days.

Concrete repaired

Area repaired with Flexkrete

-17F in freezer room

Surface temperature reading during repair in freezer room

Epoxy Flooring System


epoxy floor

Slip resistant easy to clean epoxy floor.

Are you looking for a way to change that plain concrete floor into a beautiful functional floor? To give your workers that extra sense of pride about their workplace? Look no further because Colorado Concrete repair has the answer. Have your floor looking better than new with our epoxy chip systems! Having a chipped floor installed will provide you with scratch resistance, slip resistance, chemical resistance, stain resistance, and also lots of durability. Make your floor more beautiful than ever by giving us a call for an estimate. Great quality, at a good price, with quick turn around times.