Thanks to Qualiprotec: Rohde & Schwarz façade appears in new splendor
The headquarters of the Munich-based company Rohde & Schwarz was built 50 years ago. The weathered façade was completely renovated 15 years ago using a colorless acrylate coating. Due to the weathering by sun and rain, not only the façade but also the color tone has been severely affected: the façade was dull, matt and chalked. It was clear that, in this condition, it no longer met Rohde & Schwarz’s standards.
At the beginning of the year, together with the painting firm MALPO Munich, we received the order to renovate, in a first step, almost 4,000 m2 with the help of our Qualiprotec system. The Qualiprotec system consists of three stages: First, there is a façade check. Here, trained specialists take a close look at the metallic surfaces. In a second step, a simulation of the renovation is tested on a warranty area for about four to six months – including an assessment. This involves testing 1:1 conditions such as frost, humidity, light and UV radiation. Then comes the actual renovation. This begins with a thorough pre-treatment: the coating is cleaned or sanded, later the surface is primed with Qualiprotec-Korrgrund and finally top-coated with Qualiprotec-Re-Vitaliser. A high-performance lacquer based on modern fluoropolymer technology is used for the coating. The special feature of this lacquer is its hydrophobic properties: Water beads off here at 100 degrees, moss and dirt particles do not adhere. Façades renovated with this method not only remain protected for more than 20 years, but also require less frequent cleaning.
This procedure was also successfully implemented in Munich from April to October. The old coating was pre-treated using a special cleaner and a red pad. Afterwards, 1 x 40 micron of Qualiprotec Korrgrund Q220 in RAL 5007 was sprayed on and the next day 1 x 30 – 35 micron of the silk-gloss fluoropolymer top coat was applied with Qualiprotec Q331 in the original RAL 5011. The result is impressive: Today, the façade shines like new again and will retain its prestigious quality for the next 20 years.