Do you have a goal. Garage floor, often used for parking, no need to seal floor.

The crack came with the house 6 years ago. The floor just looks terrible now. I figured before I cover it or paint it I should fill the crack. For looks if nothing else. What would you recommend for the crack?

This was my solution at my house that I did four years ago, and I would do it again in a heartbeat. Racedeck flooring. No cracks to fill, no paint to lift, and its really nice to work on cars. I put it down in less than 3 hours from top photo to bottom.

concrete crack repair recommendations are based on the size of the crack, environment, and planned use.

With no photos, I can only guess, but you might be able to fill the crack with vinyl patching cement or hydraulic cement. Before filling it, undercut it (make it wider at the bottom) with a chisel and vacuum out the dirt and dust. When you mix the patching material, replace about half of the water in the mix with some extra vinyl bonding liquid. Dampen the crack with the same stuff before patching.

The patch probably won't last, though. There may be some garage floors that don't crack eventually, but I've never had one in any of the 5 houses I've owned that had garages.

I don't really care. My guests don't enter through the garage. In my world, garages are utility space. They get wet in the summer and slushy in the winter. I don't expect them to look nice.

If you're really worried about the floor stains, mix up a good, strong solution of trisodium phosphate (not "TSP substitute" if you can avoid it) and scrub well with a stiff brush. Rinse thoroughly. Repeat if necessary.

I've had painted cellar floors in 2 of my houses, left for me by the previous owners, and I'd never paint any concrete floor again. Painted concrete floors look good for about a month, if you're lucky.

My hat's off to Keeping Room, whose garage looks great in the photo. Now imagine how that floor will look covered with rain and slush and muck and mud, because that's what your car drags in. Do you want to mop the garage every day? I sure don't.

DavidR, well, here's what it looks like four and a half years later. I do all my own work on vehicles in the garage so just like a car dealership, I keep it clean because I crawl around on it to work on cars and motorcycles. It's really not too hard - nasty winter days a squeeqee gets the slush out and then a Spring wash when the weather turns nicer, rest of the time I use a blower. It helps that the surface is coated and really easy to spray down.

Oh, don't get me wrong, I said my hat's off to you, and I meant it. It's a gorgeous garage, and the way your floor has held up is impressive. All I can say is WOW.

It's just that I'd never keep it looking that way if it were mine. I'm not the kind of guy who squeegees a garage floor in the middle of winter. I don't wash the slush and salt off my car very often, either. Yeah, I'm one of THOSE guys.

I might keep my garage more like yours if, like you, I did a lot of work on our cars. Nah, who am I kidding? Back when I used to work on them, I wore old clothes partly because my garage was, and is, NEVER that clean. Different priorities, I guess.

I have a hard enough time keeping the HOUSE company-presentable. Actually, I think your garage might look nicer than my house. :)

We need photos before we can pin down the issue.