
Tips for Repairing Cracks and Pitting in Concrete Garage Floors
- Clean the surface. Cleaning the garage floor is a crucial first step. Clean the cracks and pits well to rid them of...
- Fix major floor blemishes. Fill any cracks and pits that are more than ¼-inch deep. You can use a crack sealer or...
- Apply selected polymer. When dealing with small cracks and pits,...
Full Answer
How to resurface a concrete garage floor?
STEP BY STEP GARAGE FLOOR REPAIR:
- Clean out the crack with a vacuum, remove any loose cement or aggregates.
- Inject the crack weld resin into the crack to wet it, it will soon get tacky.
- Push the dry silica sand into the crack to fill it.
- Thoroughly saturate the sand with the crack weld resin and fill it to the surface.
- In 10 - 15 minutes scrape the surface level with a putty knife.
How do you repair a concrete garage floor?
- Empty the garage. ...
- Demolish and remove the current flooring.
- Excavate deeper to reach solid ground.
- Repair the foundation or reinforce as necessary.
- Install a geotextile membrane.
- Set up a drain for the garage.
- Fill in the area with gravel (3/4”) and compact it.
- Put in place a vapor barrier.
- Install wire mesh or fiber mesh as reinforcement.
How to repair pits and cracks on concrete garage floor?
Mix and spread the resurfacer
- Mix like mad. Recruit a helper to mix the resurfacer while you spread it. ...
- Spread it smooth, then let it set. Spread from the middle of the puddle. ...
- Erase your mistakes. If you end up with ridges, shallow craters or squeegee marks, you don’t have to live with them forever.
How to repaint the garage floor?
Steps Download Article
- Clean your garage. This means power washing the outside and scrubbing the inside. ...
- Wear personal protective equipment. This means goggles and chemical resistant gloves and boots. ...
- Ventilate the garage. ...
- Mix a 3-1 solution of bleach and water to soak and scrub the floor. ...

How do you fix badly pitted concrete?
Steps:Assess the damage to the concrete surface. The first step is to determine the depth of damage. ... Clean and remove any loose material from the pitted concrete garage floor. Ensure that the area is clean and free of any debris. ... Prepare the concrete patch. ... Apply the concrete patch. ... Sealing the new concrete floor.
How do you fix a pitted concrete garage floor?
Clean the slab and fill deep holes and cracksClean the slab and fill deep holes and cracks. Start with a clean floor. ... Remove the loose stuff. ... Concrete Floor Patch: Fill cracks, craters, divots and pits. ... Create a dam. ... Spread it smooth, then let it set.
How do you fill pitted concrete?
4:165:52Concrete Floor Pitting Repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo we'll just use that margin trowel and just just start applying some of the mortar it doesn't needMoreSo we'll just use that margin trowel and just just start applying some of the mortar it doesn't need to be perfect at this point it really is about getting it to fill with the pitting.
How do you fix Salt pitted concrete?
1:0514:21How To Repair And Resurface Spalled, Salt Damaged ConcreteYouTubeStart of suggested clipEnd of suggested clipSo just picking at it with a screwdriver or tapping on it with a hammer. You know will will removeMoreSo just picking at it with a screwdriver or tapping on it with a hammer. You know will will remove some of it but it might not get all of it and we don't want to resurface.
How do I fill my garage pitting?
0:103:36Resurfacing a Garage Floor - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow clean the floor thoroughly with a pressure washer fill any holes or cracks that are deeper thanMoreNow clean the floor thoroughly with a pressure washer fill any holes or cracks that are deeper than a half an inch with a thick mixture of the flow coat.
Can I epoxy a pitted garage floor?
If you have just a few small holes from pitting, then we recommend using something like Rust-Oleum EpoxyShield Concrete Patch. This is the same product that works well for crack repairs.
Why does concrete get pitted?
Concrete pitting is caused by a problem with the concrete's structural integrity, but concrete flaking is caused by water exposure and the freeze-thaw effect. Water is an erosive element capable of displacing all kinds of particles, even the ones that make up concrete.
Can I use self leveling concrete in a garage?
Self-leveling concrete is perfect for basements or garages because it's resistant to mold growth. It also dries incredibly quickly. Your work will be completed faster and with less risk of someone accidentally stepping in it.
Does concrete resurfacing last?
That begs the question, “does concrete resurfacing last?” The short answer is, “yes.” If there are no issues with the underlying foundation the resurfacing agent pours onto, then the new material will last. It bonds to the foundation, creates a seal, and leaves you with a brand-new concrete driveway.
Why is my garage floor pitting?
Mix 1 cup of vinegar to 1 gallon of warm water and then add a squirt of dish soap. Apply the vinegar solution to the salt stains and let it sit for 5 minutes to penetrate. After 5 minutes, add a little more solution and scrub the stain with a deck brush. Use a wet vac to pull the salty solution out of the concrete.Restore your Garage Floor from Road Salt and Winter Damagehttps://allgaragefloors.com › garage-floor-winter-damagehttps://allgaragefloors.com › garage-floor-winter-damageSearch for: How do you fix salt damaged garage floor?
Why does concrete get pitted?
However, concrete can deteriorate if the salt is left in place for a long time. If you have exterior areas of concrete that have dimples or shallow cracks in them, the best solution is to apply concrete patch. The concrete repair will be structurally sound but may show a slight color difference.How to Repair Salt-Damaged Concrete - Garden Guideshttps://www.gardenguides.com › how_8435027_repair-sa...https://www.gardenguides.com › how_8435027_repair-sa...Search for: Can you fix salt damage to concrete?
How do you fix a crumbling concrete floor?
Spalling concrete can look like round or oval depressions along surfaces or joints. Spalling tends to be most common in cold climates when de-icing chemicals are applied or when seasonal freeze-thaw cycles damage the concrete.Jul 8, 2021Tips for Preventing and Repairing Spalled Concrete - The Sprucehttps://www.thespruce.com › how-to-repair-spalled-concr...https://www.thespruce.com › how-to-repair-spalled-concr...Search for: What does spalling concrete look like?
Does concrete resurfacing last?
Pitting is characterized by many small yet deep holes on the surface of the concrete. It's typically caused by one or more factors, such as the use of an inadequate concrete mix, improper finishing or years of wear. It can cover large areas of a garage floor.
What Is Concrete Pitting and Spalling?
Pitting and spalling can sometimes look very similar to one another. Spalling will usually cause the surface of the floor to crumble or separate in...
Prepping The Concrete For Repair
Fortunately the majority of pitting and spalling in a garage can easily be repaired and isn’t as bad as it can be for concrete that is outdoors. Ge...
Repairing The Pitting and Spalling
There are a variety of products to use depending on the size of the repair you are making, how deep it is, and in some cases, how you want it to lo...
How deep should a garage pit be?
Generally for a garage, the depth of the damage is usually less than ¼” for spalling and ½” for some pitting. Many times it is less than that.
What is concrete pitting and spalling?
Pitting and spalling can sometimes look very similar to one another. Spalling will usually cause the surface of the floor to crumble or separate in thin layers. Pitting on the other hand can create smaller, deeper holes that have a more distinct cratered look.
What does spalling and pitting look like?
Pitting and spalling can sometimes look very similar to one another. Spalling will usually cause the surface of the floor to crumble or separate in thin layers. Pitting on the other hand can create smaller, deeper holes that have a more distinct jagged look. Spalled concrete.
How deep does a gallon of spalling mix need to be?
If you are using such a repair for spalling, 1 gallon will usually cover up to 8 – 10ft² at a depth of 1/4”, depending on how much aggregate is mixed in. After following the mix instructions from the manufacturer, you will want to trowel the batch onto your damaged area. Be sure to trowel it with some pressure.
What type of product is used for repair?
The type of product used is usually broken down into two categories; epoxy and polymer-modified cement.
How to apply epoxy shield patch?
The EpoxyShield patch is a 2-part epoxy gel that you mix as you need it. Mix the Part-A and Part-B product according to the directions. Apply it to the repair area making sure to work it in good in order to push out any trapped air. Smooth it out best you can with a putty knife or margin trowel. Within 24 hours the repair will be hard enough to grind or sand flush.
Why is my garage floor spalling?
Note: If your garage floor has been spalling due to a moisture problem other than water and salts that are deposited on your garage floor in the winter, then you may have a moisture barrier issue that is allowing water from under the slab to transmit to the surface. Surface repairs for such a problem may only be temporary. If you suspect this, conduct a moisture test first.
How long does it take to resurface a garage floor?
Cleaning and resurfacing the floor usually takes one day (on the other hand, clearing out your garage so you can work may take weeks!). Spreading the resurfacer smoothly is the trickiest part of the project, so it helps to have some experience with concrete or drywall finishing.
How much does it cost to resurface a concrete floor?
We used Quikrete Concrete Resurfacer (about $20 for 40 lbs.). Similar products, such as Sakrete Flo-Coat, are available. Buy enough to resurface the whole floor. To estimate the amount you need, check the label and then buy two or three extra containers. Better to return some than to run out before the job’s done.
How much does a concrete resurfacer cost?
Concrete “resurfacer” is a cement-based coating that forms a smooth, new surface right over the old concrete. The cost of resurfacer for a two-car garage is typically less than $200.
How long to let resurfacer sit in bucket?
Take two minutes to read the directions before mixing. The key to a smooth, lump-free mix is to let the resurfacer 'slake,' that is, sit in the bucket for a few minutes after the initial mixing.
How to clean a concrete floor with a pressure washer?
Scrub with a concrete degreaser and a stiff brush, then follow up with a pressure washer. Rinse twice to remove all residue.
How to get better results with resurfacer?
Recruit a helper to mix the resurfacer while you spread it. The material begins to stiffen quickly, so the faster you get it all mixed and applied, the better your results.
Do you have to chisel concrete?
Chisel away any loose fragments along cracks or craters; there's no need to bust away concrete that’s firmly attached.
1. Assess the damage to the concrete surface
The first step is to determine the depth of damage. If it's less than ½ inch deep, you can use a concrete parge to fill in the pitted areas of the concrete floor.
2. Clean and remove any loose material from the pitted concrete garage floor
Ensure that the area is clean and free of any debris. Use a broom or floor squeegee. This will help prevent dirt from getting into your newly poured concrete mix when it gets wet.
5. Sealing the new concrete floor
Once it's completely dried (and cured), you can seal your new concrete floor.
How to stop pitting in garage?
The floor squeegee is your best weapon to combat garage floor pitting. Keep your floor squeegee handy and periodically push out puddled water from melted snow. If you know that sub-zero temperatures are coming – get the water out and off of the garage floor. Sub-zero temperatures are very often followed by rapid warming, and these conditions are the perfect recipe to cause garage floor pitting.
Why does my garage floor pit?
Generally, garage floor pitting occurs due to a combination of moisture, freezing temperatures, and rapid thaw cycles. It’s no different than all those potholes you swerve to avoid in the winter time. When water freezes, it expands. When that water has settled into a puddle on your garage floor, it expands and leads to pitting.
Can you pit a garage floor?
Garage floor pitting is one of the most common problems you will encounter if you have a garage in your house. In this post, I’ll go over a few ways that you can try to prevent concrete pitting, because as we all know, preventing the problem from occurring in the first place, is the best way to go. However, sometimes pitting is unavoidable due to issues with the original concrete pour.
How to repair pitting in concrete?
The resurfacer should not spread over healthy areas. Create a dam to prevent staining healthier concrete with the repair mortar. Stick a weatherstrip with glue all around the edges of the repair area.
How to fix a concrete ridge?
All is not lost. You can erase these mistakes. Get a concrete grinder from a rental store and grind down the protruding spots for an even smooth finish. Lastly, you can apply an epoxy-based sealer as a finisher.
How to get lump free mortar?
To get a smooth lump-free mix, let the repair mortar sit in the bucket for few minutes after the initial mix, otherwise called slaking. Follow the manufacturer’s promptings on the product’s label for additional hot weather misting procedures or extra time for hardening during cold weather.
How to mix repair mortar?
Put the compound mortar into a bucket and mix with water, following the manufacturer’s instructions. A powerful mixing drill will make the work easier and give you a smoothly mixed repair mortar. We would advise you to get someone to help with the mixing as the repair compound will stiffen quickly. The speed of stiffening is dependent on the prevailing weather conditions. Repair mortar sets fast under hot temperatures before you’re even done with finishing.
How long does it take for a car to cure anti-slip?
If the pits still show, apply a second coat later in the day after the first one has set. The repaired surface should support foot traffic after several hours. Let it cure for at least 24 hours before driving on the res.
Can you fix a pitted garage floor?
Fixing a pitted garage floor can be done if you are patient, have the experience, and the equipment. Follow the steps spelled down in this article next time you’re fixing that pitted garage floor.
How to fix a crack in concrete?
Brush a concrete bonding agent into the crack or hole. Bonding agent is a liquid that helps concrete stick better. Dip a paintbrush into the bottle and spread an even layer into the damaged area. Cover every part of the crack or hole. Then let the bonding agent dry for 1 hour.
How to protect yourself from concrete dust?
Put on goggles, gloves, and a dust mask to protect yourself. This job sends a lot of dust and concrete debris into the air. Prevent injuries by wearing goggles and a dust mask. Protect your hands with a thick pair of work gloves.
Why won't my mortar bond?
If the mortar is too watery, it won’t bond well. Add more dry mortar to make it thicker if you have to.
How to straighten a crack in a wall?
The bonding material won’t stick as well to rounded edges. Take a chisel and hammer and tap any rounded edges to straighten them out .
How much does cement all cost?
Cement-all is the best. It does not need a bonding agent, and is especially strong. It costs about $20 USD per bag at most hardware and home improvement stores. It was designed to fix driveways and cement stairs, and is easy to work with, but the area must be clean of all soap, oil and dust, and cannot be too smooth.
How to fix a crack in a wall?
Scrub the damaged area with a wire brush and water. Dip the brush in water and scrub every part of the crack or hole. This gives the bonding material a greater surface area to adhere to. Make sure you get all the edges, sides, and the bottom of the damaged area.
What to do if water comes through crack in concrete?
If you mean that there's water coming through the crack, then you may have a damaged pipe beneath the concrete. Call a contractor or plumber to inspect the damage as soon as possible.
