Living, Sofa, Coffee Tables, Bench, Chair, End Tables, Concrete, Pendant, Wall, Recessed, and Rug The main floor has an open living, dining, and kitchen area with unobstructed views since support beams were unnecessary for the domed structure. The floors are concrete with a decorative finish.  Best Living Bench Sectional Concrete Sofa Photos from A Hurricane-Resistant Dome House Near Charleston Asks $4.9M