Colour, gloss, structure –
completely individual

What is happening during the liquid coating process?

During the liquid coating process, aluminium components are coated with a liquid lacquers. This is afterwards baked in an industrial oven. The applied coat forms a protective layer on the substrate. In order to ensure perfect lacquer adhesion and good corrosion protection, the aluminium surface is usually pre-treated with a aluminium chromate beforehand. If a chromate-free pre-treatment is desired or if there is a risk of filiform corrosion, we work with pre-anodisation instead.

The range of design possibilities for colours, gloss effects or surface structures is enormous with this process. In terms of aesthetics and depth effect, they far surpass powder coatings.

Advantages of liquid coating

Icon representing the advantage large colour portfolio

Large colour portfolio

Icon representing the advantage independent of substrate

Independent of substrate

Icon representing the advantage Individual surface choices

Individual surface choices

Icon representing the advantage touch up with original lacquer

Touch up with original lacquer

Icon representing the advantage high quality

Impressive effects

Icon representing all quality levels, an advantage of liquid coating.

Different quality levels possible

Liquid coating and colouring

Almost every surface can be created individually in any colour hue, tint or shade and can combined with equally individual metallic effects and surface haptics. Thereby, liquid coating systems show a great depth effect, especially with metallic effects.


We offer the following liquid coating variants:

Image liquid coating Duraflon

Fluoropolymer coatings

Fluoropolymer coatings are among the most weather-proof and durable surfaces. Our special expertise lies in the application of the GSB-certified fluoropolymer system DURAFLON®. DURAFLON® can be produced in an almost unlimited range of colours. In addition, the visual and functional qualities of the coating are maintained over the entire service life of the façade. We are also a licensed partner of PPG Industries for the processing of PVDF®-fluoropolymer coatings.

HD Wahl offers a range of different liquid coating finishes, including Master HDP.

High Durable Polymer Coatings (HDP)

HDP coatings are comparable in durability to some of the better lasting powder coatings (dt. “hochwetterfest”). Decorative surfaces with metallic effects can be created. HD Wahl offers a range of different wet paint finishes.

HD Wahl offers a range of different liquid coating finishes.

Polyurethane coatings (PUR)

The weather resistance of PUR coatings is comparable to that of PE powder coatings. The PUR quality is mainly suitable for indoor use.

We’ll be happy to advise you personally.

Advisor at HD Wahl

Our liquid coating expert:

Michael Seidel

“GGood quality creates a good feeling”

– Georg-Wilhelm Exler