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Fixing cracks, repainting garage floor
Posted on 6/16/26 at 4:29 pm
Posted on 6/16/26 at 4:29 pm
Looking to take on a project of fixing these cracks and repainting the garage floor, but I am kind of a rookie when it comes to this type of work. 30 years ago when we bought the house these cracks were patched and fairly smooth looking, but time takes a toll.
If I have fairly decent DIY skills, does this look like a DIY type project?
Obviously, I'd have to clear out the cracks of any loose debris and such, but not sure of next steps after that and what type of cement would best work to patch this up so that it can be painted over? Thoughts?
Looking to sell the house within 3 years so not wanting to spend a ton.
If I have fairly decent DIY skills, does this look like a DIY type project?
Obviously, I'd have to clear out the cracks of any loose debris and such, but not sure of next steps after that and what type of cement would best work to patch this up so that it can be painted over? Thoughts?
Looking to sell the house within 3 years so not wanting to spend a ton.
10
Posted on 6/16/26 at 6:36 pm to muttenstein
Never murder someone in your garage. Earse these pix before someone sees the blood all over floor! 
Posted on 6/16/26 at 6:37 pm to muttenstein
That’s one of the worse garage floors I have ever seen . Good luck ! 
Posted on 6/17/26 at 2:37 pm to muttenstein
thats a pretty bad crack I dont think you will be able to do anything to fix that where it doesnt reappear later.
Posted on 6/17/26 at 3:36 pm to muttenstein
I would get elevations first to see what you are dealing with but it almost looks like the slab crowns where the 3 cracks come together. Just based on the pictures I think the interior of the slab wanted to stay put and the exterior settled.
If you have a place around you that rents surveying tools a zip level will get you elevations quickly and easily.
If you have a place around you that rents surveying tools a zip level will get you elevations quickly and easily.
Posted on 6/18/26 at 8:58 pm to muttenstein
Not worth it to DIY. You’re going to spend $1k in materials alone and end up with a shite finished product. Have someone legit do it, drop the $3k-$4k, it will show well when you go to sell the house. Ninja did mine 5 years ago and it looks the same as the day they installed it. Oil leaks wipe up with a paper towel, nothing penetrating that coating. Impressive.
Posted on 6/18/26 at 11:55 pm to muttenstein
good lord
yeah, hire someone
yeah, hire someone
Posted on 6/19/26 at 8:23 am to muttenstein
Thanks for all the replies / advice. I figured I was fonked but thought I'd ask. Will get some quotes.
Posted on 6/19/26 at 7:10 pm to muttenstein
That's so bad I would get a structural engineer to tell me if it's going to move or not. That looks like a good candidate for a click-lock floor system.....
Regardless, you would need to grind and maybe scarify that floor before it could take any new coating.
Regardless, you would need to grind and maybe scarify that floor before it could take any new coating.
This post was edited on 6/19/26 at 7:11 pm
Posted on 6/21/26 at 10:31 am to muttenstein
I would just put swisstrax over it. It will look nice and you can do it in 1 day.
Posted on 6/22/26 at 9:57 am to questionable
There are a few concrete fixer/coating franchises around: Ninja, Wise, Sam the Concrete Man, etc. How good your local franchiser is can vary a lot. Some know very little about concrete, slab problems, moisture problem, etc. You might want to start with a good concrete patch specialist. They will shape the cracks to hold a patch. Then hire a coating company to grind and coat. You are right to worry about a buyer's opinion. Anybody who has ever had any slab problems is going to look at that garage floor and run away.
Posted on 6/23/26 at 7:03 am to questionable
Came in to say the same thing. Call Ninja floor coating and get a quote. They now do a Polyaspartic coating vs a epoxy which apparently will last longer.
Posted on 6/24/26 at 2:50 pm to muttenstein
Had a structural engineer take a look and these are thermodynamic pressure cracks on the garage floor and not a foundation issue. Good news there but now to get a concrete guy out here to give me an estimate for a permanent fix.
Although I am intrigued by the Swisstrax idea. This may be my go to.
Although I am intrigued by the Swisstrax idea. This may be my go to.
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