5EC-ALU is a manufacturer of bespoke aluminium windows and doors based in Stevenage, covering all Hertfordshire and London area. All of our team are highly skilled and have considerable experience in aluminium fabrication. We provide a complete range of aluminium window systems to suit the needs of any domestic or commercial project providing the flexibility, style and performance that designers and architects are looking for when specifying glazing solutions. All our window and door systems are available in a range of standard colours as well as any RAL colour to of your choice to order. At 5EC-ALU our core principles are to provide our customers with a first class service.