After several years of research and development Sunland Shutters successfully mastered the fine art of co-extrusion, combining PVC and an aluminum core. Today we are the only solid synthetic company that is vertically intergrated, whereas we extrude, paint, fabricate, and distribute our Polycore shutter. All of our rails, stiles, and louvers are reinforced with an aluminum core. In the fabrication process we screw the rail and stile together with two 3/16” X 3” self tapping screws in each corner of the panels. These corners prevent the panels from racking, thus creating the strongest panels in the industry today. The aluminum reinforced louvers prevent sagging in wider panels, where Polycore can reach 36” in width.
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