1 December

“Moisture Mitigation for Concrete Slabs”: The Floor Patch Solution

“Moisture-related problems with floor coverings and coatings applied over concrete slabs have become a serious and costly issue for designers, constructors, manufacturers, installers, and owners. Problems are being experienced on both new and renovation projects.

With new construction, the challenge is to design and construct Moisture Mitigation. A brief description of alternative methods for dealing with slab moisture problems a concrete slab that will dry quickly to an acceptable level and stay sufficiently dry thereafter. For renovation projects, the contractor must deal with existing slabs that may emit higher levels of moisture than can be tolerated by the new floor covering system.

The Challenge

Under ideal conditions for floor construction, concrete having a practical low water-cement ratio (0.45 to 0.50) is placed on a true vapor barrier and cured 3 to 7 days using a method that retains mixing water but doesn’t add additional water…”

How can your moisture mitigation process be successful?

The first step to a successful moisture mitigation process is proper planning. Moisture mitigation process is a critical requirement for any household or commercial space which can be understood with help of YouTube videos. Apart from that you need to opt for functional and value-generating steps such as:

  • Use of floor patch to seep out the moisture
  • Pick the right contractor for your flooring needs
  • Use multiple tests to check the moisture content in concrete slab
  • Use quick drying floor patch for cent percent moisture mitigation
  • Post drying, check for cracks
  • Ensure proper size and shape of the slab

To learn more about the different methods for dealing with slab moisture problems click here:

“Moisture Mitigation for Concrete Slabs”

By: Peter Craig

Moisture Mitigation: How it helps with risk reduction?

Within any working facility, there are several activities that take place. People work hard to get things done, and many are indulging in activities such as walking, sitting, standing, or walking all over the floor. While most do not consider how important the floor can be, they need to try and image operating the business without having a proper one.

Most of the floor patch is generally applied to the weather carpet, concrete slab, ceramic, resilient, wood, or maybe any resinous system. The concrete needs to have moisture to help develop as well as maintain the strength. However, this can also go sideways if there is excessive moisture. With the collection of unwanted moisture in your floor, you can develop a host of issues. This includes issues such as bond failure in the floor covering.

Each year, failure of floor cover bonds due to the presence of moisture vapor emissions from the slab is estimated to require billions of dollars for mending purposes. Even if your floor doesn’t actually fail, there still is an enhanced risk related to the growth of mold & mildew. So, what can be done to avoid this issue and breakdown of the floor?

The first thing you need to do is opt for testing of the surface to ensure the issue comes from moisture-related deterioration. If and when detected, this can be corrected with the help of a high-quality floor patch.

What can you do to minimize moisture mitigation issues?

The key to a floor that lasts you for years to come is to opt for the following protocol.

  • Proper cement/water ratios need to be implemented with your floor patch. This number should fall somewhere between 0.42 to 0.4 w/c (When water is in excess going as much as 0.25 to 0.28, it is considered as the “ Water of Convenience,” which only assists with placement).
  • The pour needs to be monitored in order to prevent any additional water being added during the placement.
  • The use of porous aggregates needs to be avoided at all costs (if the lightweight aggregates need to be incorporated above grade, they must have a low level of porosity).
  • Apart from this, you need to avoid hard trowelling at all costs. This is due to the fact that it can create a very thin layer of densified material atop the surface, which inhibits the adequate drying process.
  • Curing needs to be performed with the use of sheeting or blankets for at least seven days. Curing the compounds can actually inhibit the concrete adhesive bond, slow drying, and more. Plus, they might also be needed to be removed mechanically prior to the installation of the floor coverings or the resinous systems. This adds to the overall repair costs.
  • Curing compounds will never wear off given the fact that concrete can cure despite the claims made by many manufacturers.
  • The slab that was repaired with the use of the floor patch should be under the roof & conditioned ASAP.

Moisture Testing: What Should You Know?

Despite the best efforts made by the constructors, one cannot take control of each and everything when it comes to preparing a floor. Further, it can also affect the drying process of the slab. So, how can you know when to use the floor patch to ensure that the same is adequately dry? You need to test the same. Testing doesn’t allow any warranties against moisture-related issues. However, it can surely help minimize the associated risks.

There are several testing methods that come into the play, which include:

  • Situ Probe Relative Humidity Test (ASTM F-2170)
  • Calcium Chloride (ASTM F-1869)
  • Moisture Meter (ASTM F-2659)
  • Plastic Sheet Method (ASTM D-4263)

What to do post detection of unwanted moisture in your floor?

If the testing methods determine that there is too much moisture in the soil, what can be done? Here are some things you can follow to remove this moisture when using the floor patch.

  • You should wait up until your slab dries up to an agreed level. This is if the schedule permits.
  • Further, a moisture mitigation system can be installed. There are multiple high-quality epoxy systems that be used to detect the emissions of moisture vapors. There are several methods in the market. However, they are still at the testing phase.
  • You can also roll your dice and decide whether the mitigating cost is more than the risk associated.
  • You can also opt for flooring options that aren’t sensitive to moisture. Some of the suitable options are ceramic tile, polished concrete, or any resinous system that is suited to be used with slabs that contain a higher level of moisture.


Selecting the correct product is just as essential as selecting a contractor for your floor patch needs. Remember, the key is to plan things from the start to avoid any major disasters later on. You can use a reliable floor patch product to ensure that there is minimal to no moisture mitigation. Follow all the dos of floor patch to ensure that your effort doesn’t go to waste under any circumstances.

Looking for a high-quality product to ensure the damage from floor moisture is subdued? At Dependable, we have some of the best products that fit your requirements, such as self-levelers, feather & patch, moisture sealer, underlayments, primers, additives, sealers, rolled underlayments, and more! Make your purchase today and get exclusive discounts on our products.




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