Tilt-up concrete houses, which debuted in the 1940s, provide homeowners with low-cost luxury, according to a February 1963 article. A May 1970 article noted that a tilt-up house shell could be had for as little as $4000 in some markets. Insulating sandwich panels made news in September 1994 (top), just as insulating concrete forms (ICFs) were taking the market by storm. CONCRETE CONSTRUCTION first reported on ICFs in June 1980 (bottom, left). Concrete adds style indoors with designer features such as exposed-aggregate walls (bottom, right, August 2001), stained floors, and countertops.