Louver Tops™ Extension KitExpand Your Shade, Expand Your Possibilities With the Louver Tops Extension Kit Need a little more coverage for your outdoor oasis? The Louver Tops Extension Kit makes it effortless to expand your pergolas shade, privacy, and protection exactly where you need it. Designed to work seamlessly with the standard 8 Foot Louver Tops Kit, this extension kit lets you add up to 25" of additional coverage to your existing setup or 18" of stand alone coverage if