Ubbink offering more for roofing and ventilation Ubbink (UK) Ltd is part of the Ubbink Centrotherm Group, owned by Centrotec Sustainable AG and offer 40 years’ experience and technical expertise in the UK market, resulting in high customer support and service which we pride ourselves on. CENTROTEC Sustainable AG is one of Europe’s leading manufacturers of sustainable roofing and building solutions, with Ubbink UK focusing on the following product groups, which are not only high in quality and performance, but very easy to install! • Roofing products, specifically Ubiflex non-lead flashing, plastic roof ventilation, roofline products and accessories • Plastic ventilation ductwork systems.