It represents the colours from the RAL 840HR Colour Register, developed in the German Institute of Quality Assurance (RAL), where colours have numerical designations. The Colour Register is divided into eight groups of colours with numerical designations that partially overlap. The following characteristic numbers have been selected for the RAL groups of colours: RAL 1000 yellow colours RAL 2000 orange colours RAL 3000 red colours RAL 4000 purple colours RAL 5000 blue colours RAL 6000 green colours RAL 7000 grey colours RAL 8000 brown colours RAL 9000 white and black aluminium shades.
The aluminium profiles we use have a certificate from Ift Rosenheim. Ift Rosenheim GmbH Germany is an authorised European body for testing, supervision, and certification, with an international accreditation according to DIN EN ISO/IEC 17025, authorised to set the rules for defining and assuring quality.