Weather Shield Contemporary Collection and Premium Series aluminum-clad wood multi-slide door systems are available either in stacked configurations or hidden inside a pocket wall, in options up to 57 feet wide and 12 feet tall. Panels move on a four-roller system, and the slide jambs incorporate glass-reinforced nylon endcaps to easily connect to sills using an interlocking dovetail joint. The Energy Star–compliant doors cost from $8,000 to $40,000. weathershield.com
