Shiny epoxy coatings, used for years to seal concrete floors in commercial and industrial buildings, are increasingly showing up in residential garages. Homeowners who admire the glossy slabs at car dealerships are often willing to spend thousands of dollars to get the same look in their own garage. “We market in a high-end area,” says Sadegh Ghashghaie, owner of A Plus Garages, an epoxy-coating contractor in Anaheim, Calif. “A lot of our customers are car hobbyists. These floors are very comfortable to walk on, and maintenance is very easy.” Epoxy contractors report that demand is booming from both homeowners and new-home builders. “Over the last 30 years, there has been an increasing demand for residential applications,” says Harvey Chichester, CEO of