Very trendy nowdays we can see them more and more.We can offer them not only for residential buildings but also for warehouses.A Roller door is perfectly suitable for closing large openings. It is made of aluminium laths filled with polyurethane foam which are typically 55 or 77 mm. It can be practically winded up on a roll tube which is hidden in a headbox. It can be either manually or motor driven. The motor driven types come with a manual crank that can be used to operate the structure in case of a powercut.