Thermal Insulated Aluminum Spiral High Speed Fast Rolling Door for Underground Car Parking

Thermal Insulated Aluminum Spiral High Speed Fast Rolling Door for Underground Car Parking. High-Speed Operation: Running speed reaches 2m/s, 10 times faster than traditional roller shutter doors. Wind Resistance: Resists wind pressure up to 120km/h, equivalent to Wind Scale 12 class. Thermal Insulation: 43mm thick double skin slats filled with high-density rock wool for excellent insulation. Safety Protection: Equipped with photo and proximity sensors to prevent collision accidents. High Frequency Durability: Capable of over 1000 operations per day without faults for heavy traffic areas. Customizable Dimensions: Maximum custom size available up to 5000mm by 5000mm. 18-Month Warranty: Comprehensive 18-month warranty coverage with spare parts for direct replacement. ISO9001 & CE Certified: Product meets international quality and safety standards with ISO9001 and CE certification.