How To Repair Cement Garage Floor

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

Updated: Feb 5, 2022 | Categories: Garage

No matter how dainty your garage floor is when it'southward offset installed, and regardless of how well you accept care of it, y'all'll somewhen get a garage floor crack that needs repair. The ground around your garage volition shift, and the brunt of that will be felt by the flooring since your garage doesn't have a basement or a deeper foundation (in most cases).

Garage floor fissure repair is probably easier than you think. Whether you lot're just starting your research, or you're looking to try to justify a surprising estimate yous got from a contractor by better understanding what's involved, you lot're in the right identify.

To become right to the point, you can absolutely have care of this repair yourself in most cases. If it's a very serious cleft and your garage foundation is significantly shifted and uneven, it may be time to call in an adept, only for smaller cracks or ones that aren't causing whatsoever major issues, it'south a very doable DIY prepare and mostly cosmetic.

One time this crack appears, you tin be like most people and more or less ignore it, or you tin can have steps to repair it. The scissure will be a gathering-footing for dust and droppings, not to mention ice and slush in the wintertime.

Having water and water ice get in at that place isn't platonic, it can lead to additional damage, peculiarly every bit the ice expands and puts pressure on it. And y'all don't want to employ temporary sandbag alternatives at your garage door forever.

Granted, freezing ice isn't going to single-handedly or apace shift the cement around it, but it'due south like death past a grand papercuts and it's not fifty-fifty that hard to repair the fissure so that'south what I recommend you do.

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

Before Fixing Cracks in Your Garage Flooring

Cracks in the concrete can be very thin and modest, or they tin can be more than an inch wide and they tin can span the unabridged length of your garage. Near of them fall somewhere in between once they showtime to become noticeable and attract enough attention to have a homeowner looking for solutions.

Sometimes, you'll fill in the crack and that's that, similar when it's caused past a one-time shift in the ground effectually your garage. Othertimes, the crack will continue getting worse and worse until a structural issue is addressed.

In the starting time case, you prepare it and yous're done. In the second example, the fix is more than of a ring-aid. That'due south okay, however, because even if the garage flooring continues to crack as more than time passes, yous'll still be able to patch it upwards in the meantime while you decide what to do in the longer-term.

When To Call a Professional person for Cracks in a Garage Flooring

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

Getting a professional to prepare these types of cracks early on can lead to less long-term damage, and the sooner you get information technology sorted out, the better.

More often than not speaking, there are corrective cracks and cracks that appear every bit a sign of structural issues. Cosmetic cracks look bad, but that's nigh it - they aren't a sign of a greater trouble. They're isolated, and once they're stock-still you're all set.

Structurally-caused cracks, on the other mitt, are a warning sign that there'south something more serious that needs to be fixed. Especially if it propagates along the unabridged length of your standard garage size.

Expect for these telltale signs of structural issues:

When the fissure is bulging out of the floor, that's a sign that the foundation has shifted and contracted a bit, pushing upwardly the bulging area. This is something that a professional tin evaluate.
Erosion of the floor can be another sign that there's a deeper structural outcome.
When the cement on one side of your crack is lower than the other side of the crack, the cleft is likely due to the ground beneath shifting and a structural issue.

Regarding the terminal sign above, one side below your floor had more "wiggle room" than the other side, and eventually the floor couldn't support its own weight anymore, and i side cracked then shifted lower.

When this gets really severe, in that location are companies who can shoot cloth below the floor to raise-up the part that'due south sunk, information technology's not cheap but it's a really good fashion to fix this blazon of event.

Granted, most 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 cold, freezing winters, this can assist amplify and speed up the spread of damage, but even at that, it can accept years for information technology to go from noticeable to bad.

I'one thousand not telling you to just ignore or permit it elevate on, but empathise that you don't have to phone call an emergency contractor to come the next solar day. Store around, get some quotes, get some opinions, take photos of the scissure and compare it a month later, see if information technology's getting progressively worse or staying relatively the aforementioned.

How To Prepare Cracks In a Garage Flooring

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

Clean Out The Area of the Crack

Start by cleaning the area where the crack is, and all around it. If there are whatever loose pebbles or small stones within of the crack in your physical, brand certain to get them out of the way. The same goes for any concrete alternatives including wood or rammed earth.

A ShopVac will do a adept enough task of removing clay, debris, stones, and any else may be in there. A wire brush tin can likewise milk shake loose whatsoever pieces that are on the verge of coming off.

The goal is to get whatsoever stray pieces out of the crevice, and too to knock loose any parts that take crumbled and are about to fall off. Repairing effectually a aging foundation volition just ensure that your repair doesn't last very long, regardless of the types of house foundations you take!

garage floor crack chaser repair — Check Price on Amazon

Y'all may likewise want to consider using a tool called a cleft chaser. Information technology'southward essentially a type of saw bract that will make the crack more than uniform. It's better for longer cracks. It tidies everything up, and turns a crack that could exist tricky to fill into one straighter route.

This makes information technology easier to make full information technology in, and helps you get the filler-product into any smaller cracks that may not otherwise accommodate it correctly.

Filling In a Crack In Your Garage Floor

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

In any example, there are a number of commercial products available for this and any hardware store will be able to assistance you out with choosing the best fit for your area. Your local climate is something to go on in mind (how weather-proof does it need to be?).

Epoxy is a common way to fill in larger cracks, and then is a polymerized physical mix. The polymer acts every bit a binder, and helps attach the filler to the rest of the original concrete on your floor.

Different products will have their own instructions to follow, but the main matter I recommend fourth dimension and time over again, especially when using epoxies, is to read the unabridged didactics process before you become started.

These things can accept some time to set, they may demand special UV lights or sunlight to properly cure, and if you lot merely kickoff on footstep ane and make your manner downwards the listing, yous're jump to encounter at least one or two unexpected hurdles.

Last Thoughts on Garage Floor Crack Repair

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

It'southward definitely a projection that y'all can DIY on your ain, merely again, take precautions to ensure that it'due south not a deeper structural issue.

Even if information technology is, yous can brand the crack look improve in the brusk-term, merely you'll still want to think near getting things levelled out in the long run considering patching up the signs of structural problems tin can simply have you so far.

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Editor: Rick Worst

Rick Worst Headshot Rick is a domicile design consultant and enthusiast, whose life is consumed past all things home and garden. Started as a hobby, Worst Room has grown into an data and inspiration wheelhouse for professionals and habitation owners alike. Rick serves equally owner and editor for our many content contributors. Larn more than about Rick & the Worst Room performance hither.