Metallic surfaces for windows, doors, curtain walls and patio roofs
When exposed to air, pure aluminium forms a thin surface layer which provides effective protection against corrosion on a natural basis. In order to increase their resistance, extruded heroal profiles for windows, doors, curtain walls and patio roofs can basically be treated in two additional ways: by powder coating or anodisation. During anodisation, the electrolytic oxidation of aluminium, an oxide layer builds up on the aluminium surface and increases the above mentioned natural oxide layer significantly. This way, the aluminium is a lot more resistant against adverse weather conditions and oxidation. In addition, the metallic appearance of the aluminium is intensified.
At heroal, you can either have your aluminium windows, doors or patio doors anodised or powder-coated. heroal hwr powder coatings can also imitate the metallic looks created through the Eloxal process, and also make sure that all shades of colour can always be easily reproduced.
What’s so special about anodised aluminium profiles?
Weather-resistant
Anodisation protects aluminium systems against corrosion and makes them harder and more robust. So that you can enjoy your heroal systems for a long time.
Colour stability
The anodised aluminium surface is not only robust, it also offers everlasting colour stability. Even in harsh weather conditions, your anodised aluminium profile shines like on the first day.
Eloxal looks created through powder coating
Would you like to have the Eloxal look, but without having to anodise your profiles? heroal hwr powder coatings are easier on the environment and can imitate the appearance of Eloxal colours. That means you always get precisely the same shade of colour.
Overview of heroal Eloxal colours
Eloxal surface 25 E6 C35
Eloxal surface 26 E6 EV1
Eloxal surface 33 E6 C33
Eloxal surface 37 E6 C34
Eloxal powder E6 C33
Eloxal powder E6 C34
Eloxal powder E6 EV1
Individuality through variety: Designing architecture with heroal
In our brochure, you will find all colours, surfaces and textiles at a glance.
During the Eloxal process, the electrolytic oxidation of aluminium, direct current turns electrolytes containing oxygen on the aluminium surface into oxygen. The following reaction of the oxygen and the surface creates a build-up of aluminium oxide. The oxide provides for corrosion protection and also prevents the aluminium from further oxidation, while at the same time preserving the metallic appearance of the surface.
Coating process:
aluminium base material
barrier coat
porous Eloxal
metal oxides
sealing
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