How To Repair A Crack In A Concrete Floor

Garage Floor Crack Repair 101 (Plus When to DIY & When to Call a Pro)

Updated: Feb five, 2022 | Categories: Garage

No matter how nice your garage floor is when information technology's start installed, and regardless of how well y'all accept care of information technology, you'll somewhen get a garage flooring crevice that needs repair. The ground around your garage will shift, and the brunt of that will exist felt by the floor since your garage doesn't have a basement or a deeper foundation (in nearly cases).

Garage flooring crack repair is probably easier than you lot think. Whether you're just starting your enquiry, or y'all're looking to try to justify a surprising estimate you got from a contractor by amend understanding what's involved, you're in the correct identify.

To go correct to the point, yous tin absolutely take care of this repair yourself in well-nigh cases. If it's a very serious crack and your garage foundation is significantly shifted and uneven, it may be time to call in an expert, but for smaller cracks or ones that aren't causing any major issues, information technology's a very achievable DIY fix and mostly corrective.

Once this cleft appears, yous can be like near people and more than or less ignore it, or you can take steps to repair information technology. The crack will exist a gathering-ground for grit and debris, non to mention ice and slush in the winter.

Having water and ice make it at that place isn't ideal, it tin lead to boosted harm, especially as the ice expands and puts pressure on it. And you don't want to apply temporary sandbag alternatives at your garage door forever.

Granted, freezing ice isn't going to unmarried-handedly or rapidly shift the cement around it, but it'southward similar death by a thousand papercuts and it's not even that difficult to repair the crack so that's what I recommend you lot do.

I have a feeling nosotros're already on the same folio, since people who aren't interested in fixing this problem aren't going to exist the people searching for how to repair concrete cracks in garage floors.

Before Fixing Cracks in Your Garage Floor

Cracks in the concrete can be very thin and small-scale, or they can be more than an inch wide and they tin can span the entire length of your garage. Most of them fall somewhere in between in one case they start to get noticeable and attract enough attention to take a homeowner looking for solutions.

Sometimes, you'll make full in the crack and that's that, similar when it'southward acquired by a one-time shift in the ground around your garage. Othertimes, the crack will continue getting worse and worse until a structural issue is addressed.

In the first example, you fix information technology and you lot're done. In the second example, the fix is more than of a band-aid. That's okay, however, because even if the garage floor continues to crevice as more time passes, you'll still be able to patch it up in the meantime while you decide what to do in the longer-term.

When To Telephone call a Professional for Cracks in a Garage Floor

Earlier we go into specifics on how repair cracks in garage flooring, let'southward get over a few examples of when you'll want to telephone call in a professional person for assistance instead of taking the DIY route.

Getting a professional person to fix these types of cracks early on can pb to less long-term damage, and the sooner you get it sorted out, the ameliorate.

Generally speaking, there are corrective cracks and cracks that appear as a sign of structural bug. Cosmetic cracks look bad, but that'south almost information technology - they aren't a sign of a greater problem. They're isolated, and once they're fixed you lot're all set.

Structurally-caused cracks, on the other hand, are a alert sign that there's something more than serious that needs to be fixed. Specially if information technology propagates along the entire length of your standard garage size.

Wait for these telltale signs of structural issues:

When the crack is bulging out of the floor, that'due south a sign that the foundation has shifted and contracted a bit, pushing up the bulging surface area. This is something that a professional tin evaluate.
Erosion of the floor tin exist another sign that there'due south a deeper structural issue.
When the cement on one side of your crack is lower than the other side of the crack, the crack is likely due to the ground below shifting and a structural issue.

Regarding the last sign in a higher place, one side beneath your floor had more "wiggle room" than the other side, and eventually the floor couldn't support its own weight anymore, and one side croaky so shifted lower.

When this gets really astringent, there are companies who can shoot fabric below the floor to raise-upwardly the function that'southward sunk, it's non cheap but it's a really good way to ready this blazon of event.

Granted, near of this happens very slowly. If you're in a climate where the temperature varies a lot, for example somewhere with hot, dry out summers and common cold, freezing winters, this can aid amplify and speed up the spread of damage, but fifty-fifty at that, it can take years for it to go from noticeable to bad.

I'thou not telling yous to just ignore or allow it drag on, but understand that you don't take to call an emergency contractor to come the adjacent 24-hour interval. Shop effectually, become some quotes, become some opinions, accept photos of the crack and compare it a month later, see if information technology's getting progressively worse or staying relatively the aforementioned.

How To Fix Cracks In a Garage Floor

Alright, if you've decided to tackle this yourself, here'due south the best way to practice it. We first by cleaning and prepping the area, then we fill information technology in.

Clean Out The Area of the Crack

Kickoff past cleaning the area where the crack is, and all around it. If at that place are any loose pebbles or minor stones inside of the cleft in your concrete, make sure to get them out of the mode. The same goes for whatever concrete alternatives including wood or rammed globe.

A ShopVac volition do a good enough job of removing dirt, debris, stones, and whatever else may be in at that place. A wire castor can too shake loose any pieces that are on the verge of coming off.

The goal is to get whatever stray pieces out of the crack, and as well to knock loose whatever parts that take crumbled and are about to fall off. Repairing around a crumbling foundation will just ensure that your repair doesn't last very long, regardless of the types of house foundations you have!

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You lot may also want to consider using a tool called a crack attorney. It'south essentially a type of saw blade that volition make the crack more uniform. Information technology's improve for longer cracks. Information technology tidies everything upwardly, and turns a crevice that could exist catchy to fill into ane straighter road.

This makes it easier to fill it in, and helps y'all get the filler-product into any smaller cracks that may not otherwise conform it correctly.

Filling In a Crevice In Your Garage Floor

There are ii types of filler you can use. For smaller cracks, cocky-mixing filler is a good choice. For larger and longer cracks, you'll probably find it more economical and practical to mix the filler yourself.

In any instance, there are a number of commercial products available for this and whatever hardware store volition be able to help you out with choosing the best fit for your expanse. Your local climate is something to proceed in mind (how weather-proof does it demand to exist?).

Epoxy is a mutual way to fill in larger cracks, so is a polymerized concrete mix. The polymer acts every bit a binder, and helps adhere the filler to the residue of the original concrete on your floor.

Different products volition take their own instructions to follow, but the main thing I recommend fourth dimension and fourth dimension again, specially when using epoxies, is to read the unabridged education procedure before you get started.

These things can take some time to set, they may need special UV lights or sunlight to properly cure, and if y'all just start on step 1 and make your way downwardly the list, you're bound to encounter at least 1 or 2 unexpected hurdles.

Final Thoughts on Garage Floor Crack Repair

Across that, information technology's just a affair of mixing the production you choose together, applying it into the crack, smoothing information technology out, and letting information technology dry or cure as the case may be.

It's definitely a project that you tin DIY on your own, but once again, take precautions to ensure that it'south not a deeper structural issue.

Fifty-fifty if it is, you can make the cleft await improve in the brusque-term, only you'll still want to think most getting things levelled out in the long run because patching up the signs of structural problems tin only take you so far.

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Editor: Rick Worst

Rick Worst Headshot Rick is a home design consultant and enthusiast, whose life is consumed by all things dwelling and garden. Started equally a hobby, Worst Room has grown into an information and inspiration wheelhouse for professionals and dwelling owners alike. Rick serves as owner and editor for our many content contributors. Learn more about Rick & the Worst Room operation hither.