WALL SYSTEM PROTECTS AGAINST THE SUN CO-EX Corp. has developed its Macrolux I.R. multiwall polycarbonate sheet to provide heat reduction and load resistance in interior spaces. The sheet allows natural daylight in while protecting against UV and infrared rays. It’s available in a standard gray 0.39-inch (10-mm) triple wall and can be ordered in other configurations and colors. (800) 888-5364 / www.co-excorp.com