Fire Truck Aluminum Alloy Roller Door Manufacturer Explains: What Material is the Roller Door Profile Made Of?
Two commonly used aluminum alloy roller shutter profiles
The DAK77 model features double-layer aluminum alloy louver blades with an effective width of 77mm. The unique sound-dampening design of the louver strips ensures the door operates silently. The thickened and widened aluminum alloy guide channel's unique mechanism enhances wind resistance for large-span doors. The product is widely used in villa garages, shops, and large factories and warehouses, with a span as wide as 8.5 meters.
2. The DAK55 type double-layer perforated aluminum alloy louver has an effective width of 55mm. The hook area of the louver can be equipped with two small holes measuring 20mm x 2.3mm, allowing for natural light and ventilation. The unique noise-reducing strip design between the louvers ensures the door operates silently when turning. The usable width is ≤ 4000mm.
Roller shutters have a wide range of applications. For electric roller shutters, they include models such as 42-inch, 50-inch, 55-inch, 60-inch, 77-inch, 85-inch, and 100-inch roller shutters.
