• June 24, 2024

A Guide to Epoxy Garage Floor Coating

Homeowners apply epoxy garage floor coating because it repels oils, gas, acid, bleach, and some solvents. Ask This Old House’s Doug Fasching walks us through the process in the video.


The garage floor has to be wet to find any sealant weaknesses. An eco-friendly degreaser is applied next.

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The third step is applying acid or acid etching. This prepares the concrete floor for the epoxy to adhere.

When the acid reacts with the concrete, it leaves behind matter that must be removed before applying the epoxy. You’ll need a wet vac for this step. The floor must be completely dry before the application of the epoxy.

The Epoxy

Epoxy consists of two parts that are mixed together to create the compound. It only lasts for two hours, so paint the floor in two to six-foot swaths using a long roller. It must dry overnight before a second coat can be applied the next day.

You’ll notice any thin spots or weaknesses and will cover those with the second coat. You can further camouflage those with sprinkles of decorative color flakes.

Protecting things is a large part of owning a home. The garage floor takes a lot of punishment, so epoxy garage floor coating is vital for its protection.


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