About Floor Concepts & Design Floor Concepts & Design has a beautiful showroom located in the heart of Rockville and has been serving Rockville and the surrounding areas including Silver spring, Gaithersburg, Germantown, Potomac, Bethesda, Washington D.C and Virginia with the only the highest quality of service and customer care. At Floor Concepts, customer satisfaction is our number one priority and we work very hard to ensure a seamless transition from the time of your purchase to the end of the installation which is precisely why we employ our OWN INSTALLERS which have been working with Floor Concepts for over 12 years.