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A leader in the field of roof service and maintenance. It supplies its customers with world-class roofing solutions, lightning-protection services and carries out renovation work too. With more than 30 years’ knowledge and experience, Patina creates innovative and sustainable solutions.

patina.nl

Erdo has been providing roof-design, installation and maintenance services for more than 95 years now. The company also supplies solar-energy systems. It’s a big player in the Netherlands and has its head office in Capelle aan den IJssel.

erdo.nl

A leader in roofing solutions and solar-energy systems in the Netherlands. Oranjedak has been a reliable roofing partner for more than 40 years now. The company is a leader in innovation and sustainability. It has five branches in the Netherlands and its head office in Zwijndrecht.

oranjedak.nl

Holl Flachdachbau has been a reliable roofing partner in Germany since it first started trading back in 1965. The company has gained in-depth experience over the years and now has 16 branches nationwide. Holl Flachdachbau specialises in the building and renovation of flat-roofing and insulation products.

hollflachdachbau.de

A leading lightning-protection company in Germany, with more than 60 years’ experience in lightning-protection design, installation and maintenance. It serves customers throughout the world from its head office in Offenburg.

loeschblitzschutzbau.de

Founded by Werner Röckl in 1996, the company is now one of the biggest roofing companies in southern Germany. Its strengths lie in roofing solutions and services as well as in roof-covering products and projects.

roeckl-gmbh.de

Founded by Herman Rudde in 1978, the company started off as a small plumbing and roofing company. Today, it is a specialist roofing company that operates nationwide. Rudde has branches in Nijverdal, Tynaarlo and Den Bosch and is now run by two of Herman Rudde’s sons.

rudde.nl

A market leader in the Netherlands and an experienced partner in grounding and lightning protection. NAB serves customers throughout the Netherlands and has branches in Barendrecht, Oosterwolde (Friesland) and Tilburg. The company is also active in Belgium and Germany.

nab-bliksembeveiliging.nl

ACN designs, installs and maintains safety-earthing systems throughout the Netherlands from its head office in Utrecht. The company has demonstrable experience in the field of engineering, risk management and installation.

acnbv.nl

Since 2002 Manning Dakbedekking has grown into a leading roofing company in the north of the Netherlands. Specialized in flat roofs both new construction and renovation in bitumen or synthetic. Manning is your partner for roof gardens, fall protection, maintenance and service.

manning-dakbedekking.nl

NDW Niemeier en Wand GmbH has been a reliable roofing and façade partner for customers in the industrial and commercial sectors for 80 years now. Its head office is in Dortmund.

ndw-gmbh.com

Geyer has more than 50 years’ experience and expertise in lightning protection. An expert in and partner for the planning, testing and installation of lightning-protection systems. The company is active throughout Germany and has branches in Hildesheim and Braunschweig.

geyer-blitzschutzbau.de

Clen Solar has been leading the way with innovative solutions for the energy sector for many years now. With a passion for green energy, it has made a name for itself as a leader in the development and production of switch cabinets and transformer stations that meet the very highest quality standards.

clen-solar.de