Various sunroom 4mm PC panel Aluminum frame, 1mm thick Zinc plated steel base & pegs Easily assembled Various sunroom (sun room)1. Panels: 4mm Polycarbonate(PC), 3-year warranty, Strong and weather resistant, unbreakable, clear, 200 times stronger than glass PC blocks out 99.9% of harmful solar UV 2. Frame: Aluminum, average thickness 1.0mm3. Base and pegs: Zinc plated steel4. Doors of warm house ...