How to Seal a Garage Floor

One of the best ways to seal a concrete garage floor is with the two-part epoxy systems you’ll find at your local home center. Start by cleaning up any of the oil spots, and then use an acidic cleaner to scrub the whole floor before rinsing it with clean water. After it dries for a day or two, you’re ready for the sealer.

Unlike paint or stain, epoxy sealers are mixed immediately before use, and you only have a limited amount of time to work with them. Once you mix it, you have to be ready to start rolling and brushing it on because the clock is ticking. Work small areas and keep a wet edge like you would with any other paint.

If you’re adding the decorative paint chips that come with some of these kits, you have to do that while the surface is still wet.


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