
STEP 1: Choose your concrete repair product.
- Choose your concrete repair product. Concrete surfaces cannot be repaired with concrete. Instead, use a concrete repair mix; these are readily available at home centers and online. ...
- Prepare the cracked area for patching. First, use a small hammer and chisel in combination to knock away any cracked, crumbling, or loose concrete. ...
- Fix the concrete crack with your selected repair product.
Can you install hardwood floors over Gypcrete?
The hardwood floor is typically installed over the gypcrete without a true subfloor layer. A layer of asphalt paper or another thin sublayer can be laid over the gypcrete. Floating hardwood floors are typically installed right over the gypcrete, as this allows for expansion of the wood floor. Ease of Installation
How to install tile over Gypcrete?
the best technique for installing tile by the thin bed method is as follows: 125 TRI MAX®can be used, without a skim coat or gypsum overspray, as the tile installation adhesive directly to the gypsum underlayment. 125 TRI MAX acts as the tile adhesive, an ANSI A118.12 compliant product and a sound control with a ΔIIC of 15.
How to repair an uneven concrete floor?
Uneven Concrete Floor Options and Solutions
- Do Nothing (Just fill the cracks and seal the floor)
- Masking with a flooring material and covering it up
- Make it right – Grinding and filling it up
How to repair and epoxy coat your floor?
Method 2 of 3: Repairing a Peeling Floor Download Article
- Hire a professional to help you fix your floor if you need assistance. ...
- Scrape away the peeling epoxy from your floor using a paint scraper. ...
- Use a palm sander and 60-grit sandpaper if repairing small areas. ...
- Use a floor buffer and 100-grit sandpaper if replacing most of your floor. ...
- Vacuum up the debris using a shop vac. ...

How do I fix cracked gypcrete?
2:113:53USG's Guide to Gypsum Underlayment Repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipApply enough fusion primer saturate and penetrate the weak top layer of the damaged underlayment.MoreApply enough fusion primer saturate and penetrate the weak top layer of the damaged underlayment. The primer will bind loose gypsum particles and consolidate the surface.
What causes gypcrete to crack?
Because it is lightweight, it's also prone to cracking as an underlayment to installed floorings above it. Its surface area is soft and chalky, which makes it susceptible to crumbling and becoming detached from the subfloor beneath it.
Can you epoxy over gypcrete?
Because epoxy coatings can't be added directly over gypsum, it's important to add a professional-grade concrete microtopping, such as Skraffino. In order to install a concrete microtopping, you'll need to complete a few basic steps: Remove residue and clean the floor. Apply a primer.
Is gypsum the same as gypcrete?
Gypcrete is essentially a combination of sand, Portland cement, and gypsum, and it is commonly used for floor underlayment, as well as sound insulation. The gypcrete mix also has an important role in fire control, which is precisely why many people gravitate towards this option.
What can I use instead of Gypcrete?
Pourable gypsum based cementitious material can be applied over tubing radiant stapled to a subfloor by licensed applicators. In contrast, Thermalboard is easy to install, cost effective, and suitable for all flooring goods.
Does Gypcrete need to be sealed?
Controlling the dust When used under floating floors, Gyp-Crete does not need to be sealed or primed asthere is no off-gassing of VOCs, and no adhesive is required. However, you should stillexercise caution if you plan on walking on the Gyp-Crete before you put flooring over it.
What is gypcrete made of?
It is a mixture of gypsum plaster, Portland cement, and sand. The brand name Gyp-Crete, a Maxxon Corporation trademark, has come into general use as a term for gypsum concrete by construction professionals and architects.
How thick can gypcrete be poured?
1/4”-4” thickGypsum Concrete continues to be one of the most versatile and cost effective floor levelers that we offer. It can be installed from 1/4”-4” thick in a single lift, it dries faster than concrete, it finishes flatter than concrete and it costs less than cement based self leveling products.
How thick is gypcrete?
over concrete, the minimum thickness of Gyp-Crete is usually 1⁄2" (13 mm). however, the 1.4 mix design can be featheredged. in wood renovation, Gyp-Crete is installed at a minimum depth of 3⁄4" (19 mm).
Can you glue to gypcrete?
Verify with the flooring and adhesive manufacturer if a particular style of engineered flooring can be glued to Gypcrete and if "dust inhibiting sealers" or "surface primers" are required. Note that all "floating" floors like Laminates or engineered are ideal products for this application.
Is gypcrete cheaper than concrete?
One of the first noticeable differences is that gypcrete is generally cheaper than concrete, but depending on the mixture, can also be more expensive. Gypcrete costs between $1.75 per square foot to $6.00 per square foot, whereas concrete costs $2.50 to $4.50 per square foot.
Is gypcrete a subfloor?
Gypcrete is a sub-floor option that is often used in multi-family and commercial buildings due to its sound control and fire control properties. Gypcrete is a cousin to concrete and made of a lightweight sand mixture that makes it much lighter than concrete, though less durable.
What is gypcrete made of?
It is a mixture of gypsum plaster, Portland cement, and sand. The brand name Gyp-Crete, a Maxxon Corporation trademark, has come into general use as a term for gypsum concrete by construction professionals and architects.
Is gypcrete dust toxic?
Dust which is considered potentially toxic associated with gypcrete is generated during crushing, mixing, sanding or otherwise working with the product. Reviewing a manufacturer's Material Safety Data Sheet (MSDS), most concern of health risk is associated with dust created by the raw ingredients.
What is gypcrete subfloor?
Gypcrete is a sub-floor option that is often used in multi-family and commercial buildings due to its sound control and fire control properties. Gypcrete is a cousin to concrete and made of a lightweight sand mixture that makes it much lighter than concrete, though less durable.
How is gypcrete installed?
0:262:07Gypsum Concrete Underlayment - Project Profile - YouTubeYouTubeStart of suggested clipEnd of suggested clipFire ratings radiant heating and floor leveling in fleurs highly trained applicators installedMoreFire ratings radiant heating and floor leveling in fleurs highly trained applicators installed gypsum concrete underlayment efficiently. And quickly well come in prime. The floor so that the gypsum.
What is gypcrete underlayment?
Gypcrete Underlayment is a nonstructural gypsum concrete used with aggregates in pouring crack resistant, fire resistant and sound-insulating floors. Batch mixed on the job, barrel mixed or pumped into place by authorized applicators, ideal over veneer and non-veneer wood subfloor panels, precast concrete and cast-in-place concrete. With proper preparation after pouring, Gypcrete can accept virtually any type of flooring material.
How deep should a circular saw be for gypsum?
If dust is not a problem, a circular saw with a masonry blade may be used to cut the perimeter of the underlayment to be removed. Set blade depth 1/32″ (.79 mm) deeper than the gypsum underlayment.
How to remove Maxxon underlayment?
2. To help keep dust to a minimum, wet area to be removed with water at approximately 2 gal. (7.57L) per sheet of plywood. Let soak for 10-12 minutes, then remove broken Maxxon Underlayment.
Inspect the Cracks
Before you begin any repair, you need to inspect the cracks to see if they require professional attention or handle the project yourself.
Prep the Floor Area
Before you begin any kind of repair, properly clean up the area first. This enables the filler to bond securely with the concrete. Clean the entire floor and not just the area with the cracks, so your garage receives a total transformation.
Prep the Cracks
You also need to prep the crack itself, use a vacuum to remove all the gravel, dirt, and debris embedded deep inside the cracks. You can use a bristle brush to get down into the crack so you can remove all the chipped concrete.
Fixing Small Cracks
Repairing small cracks in concrete garage floor is an easy job. You will need an epoxy concrete crack filler, which should be filled down the crack in the concrete.
Fixing Large Cracks
If you are dealing with a larger crack, you will need to take additional steps, depending on the size of the crack. For very large cracks, you will need a cold chisel to undercut the crack in the floor; this will help hold the patch in place and prevent further damage to your floor.
How to fix a crack in a drywall wall?
Directions. With a wire brush, clean the crack. Sweep away any loose debris, then vacuum the crack. If grease, oil, or dirt remains in or near the crack, clean it thoroughly. With a cold chisel and large hammer, undercut the edges of the crack. This will help hold the patch in place.
How long does it take for a chip to fill?
Here's how to fill a crack 1/4- to 1/2-inch wide. For smaller cracks, follow these instructions. Difficulty: Easy. Time required: One to two hours.
Does concrete crack when resurfacing?
Tough as it is, concrete tends to develop small cracks and chips. Minor problems like this generally do not indicate any structural problems that require resurfacing, but it is best to tend to cracks as soon as possible. Once a small crack or chip appears, future wear and tear will only cause it to expand. Here's how to fill a crack 1/4- ...
