Why I stopped trying to fix the garage floor myself

The decision to handle the floor myself

I remember staring at the garage floor for about an hour on a Tuesday afternoon. The concrete had developed these spiderweb cracks that were starting to look like a map of somewhere I didn’t want to be. I thought about calling a local professional—I had heard people talk about those specialized shops in places like Ansan that handle everything from heavy-duty coating to exterior painting—but I figured, how hard could it be? I bought several buckets of what the store clerk called high-hardness urethane. It wasn’t cheap; I think I spent around 400,000 won just on the materials and the rollers. I kept thinking about those fancy service centers, like the ones Kolon Motors just opened up in Siheung, with their pristine, perfectly sealed bays. I wanted my floor to look like that, or at least not like a crumbling relic from 2002.

The reality of mixing chemicals in a small space

The first sign that this was a mistake was the smell. I knew it would be strong—that’s the nature of epoxy paint and urethane—but it hit me like a wall as soon as I popped the lid. It’s one thing to watch a video where someone works in a ventilated shop; it’s another thing entirely to be crouching in a corner of your own garage with the door only half-open. I spent forever trying to get the consistency right. The instructions said one thing, but the humidity in the room made the mixture feel thick, almost like sludge. I kept adding a bit more solvent, then realizing I had gone too far. It felt like I was back in school, trying to master a chemistry experiment that had already gone sour.

Watching the bubbles appear in real time

Once I started rolling the stuff on, the panic set in. I’m not a professional painter, and it shows. Every time I went back over a section to smooth it out, I felt like I was just pulling up wet material and creating more texture. Then came the bubbles. They started popping up everywhere, tiny little eyes staring back at me from the wet surface. I tried to pop them with a toothpick, then a brush, but it only made the surface look more uneven. It’s incredibly frustrating to watch your own labor make the floor look worse than when you started. I spent six hours straight, barely taking a break, and by 9 PM, my back was aching and the floor looked like a topographical map of a swamp.

The lingering unevenness and the dust

The next morning, the finish was dry, but it was anything but professional. There were parts where it was thick and gummy, and other patches where the original concrete color was still peeking through. I must have stepped on a piece of debris because there was a distinct boot print perfectly preserved in the hardening urethane near the entrance. I didn’t even remember walking there. It’s one of those things that doesn’t really affect the utility of the floor, but every time I park my car, I see it. It reminds me of the wasted weekend and the money I could have just given to someone who actually knew what they were doing.

Looking back at the process

I still see the flyers for those industrial painting services around, and sometimes I wonder if I should just pay for a top-coat layer to even it all out. Maybe that would cover the mistakes. But then I think about the process of clearing everything out again—moving all the boxes, the old tires, and the shelves—and I just lose the motivation. It’s funny how a project that was supposed to save me money ended up being a permanent reminder of my own limitations. I don’t think I’ll be buying another bucket of industrial epoxy anytime soon. Sometimes, the peace of mind that comes with hiring someone who has the right tools and the right facility, like those specialized shops in the Ansan or Siheung area, is actually worth the premium. Or maybe I should have just left the cracks alone.