ARK GLASS OF CHICAGO'S CUSTOM DESIGNED FOLDING DOORS AND WALLS CAN BE INSTALLED INTO ANY PART OF YOUR BUILDING. FOLDING GLASS DOORS ARE ACCORDION STYLE DOORS WHICH FOLD LEFT, RIGHT, OR ARE SPLIT BETWEEN MIDDLE PANELS TO CREATE A UNIQUE OPENING GLASS WALL. INTERIOR OR EXTERIOR, ARK GLASS OF CHICAGO FOLDING GLASS DOORS ARE USED IN BOTH RESIDENTIAL AND COMMERCIAL APPLICATIONS, SUCH AS RESTAURANTS, BANQUET HALLS, ENCLOSED PORCHES, PATIOS, AND POOL HOUSES.