Similar to Natural Anodising, Architectural Anodising is primarily used for protecting aluminium window frames, handrails, roofing and other external building components from the elements.
The process is defined within its own specification to ensure a consistant finish is applied across large projects. Colours for this type of finish usually include Silver, Gold, Black and Bronze.
BS 3987:1991
Ordinarilly, 20-30 microns (ยต)