High Build Polyurethane Polyamide for buildings based on a cycloaliphatic resin provides very good performance in terms of flexibilty, wear and UV resistance. It has better resistance to scratching than standard polyesters and also has very a good ratio between flexibility and hardness. Developed for high build systems. It is usually applied with 25µm primer. It has excellent corrosion and UV radiation resistance, and belongs in categories RUV4 and RC4.