How do I paint concrete interior house floors?

Clean the floor thoroughly, using soap and a mop and bucket. Rinse all soapy residue from the floor, and allow the concrete to dry.

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Purchase a muriatic-acid etching kit from a paint or home-improvement store. Study the safety and application instructions. Don appropriate safety gear, including a respirator equipped with acid-grade filters. Open windows to provide ventilation. Abrade the interior concrete floor with muriatic acid, according to the instructions in the kit.

Apply a two-part epoxy or acrylic floor paint to the abraded concrete surface, using a roller. Equip the roller with a shed-resistant roller cover, and use an extension pole for easier application. Wait six hours before walking onto the floor.

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