External Screens - (HM 80/00) Helioscreen Australia and New Zealand Operation Automatic Construction Retractable Max Width 4000 Max Drop 4000 Fabric Material Sunscreen- woven polyester base cloth with PVC coating Linkable true Features Marine grade 316 stainless steel fittings, lead baserail weight Helioscreen External Screens allow you to extend outdoor living areas while reducing harmful sun rays by up to 90% Helioscreen Australia and New Zealand