Service + Tools International partners Search My profile Products Services Ideas writing history. Innovations New ideas and innovative power are particular hallmarks of alwitra. Since 1964, our company has been coming up with innovations decisively facilitating the development of flat roof technology. We designed many detailed solutions for long-term reliable roof waterproofing. We have patents on our roof edge trims. And we have been the world’s first company to launch a power-generating waterproofing membrane. alwitra. Always two ideas ahead of time. Innovations The world’s first power-generating waterproofing membrane EVALON® Solar 1964 first multi-part roof edge trim profile 1969 first height-adjustable paving slab support 1971 first thermoplastic synthetic roofing membrane made of solid matter alloy 1972 first rooflight upstand made of PU integral foam and with welding flange 1973 first roll-formed aluminium roof edge trims 1980 first flow-optimised flat roof rainwater outlet 1985 first roofing membrane made of thermoplastic elastomer 1991 first rooflight dome with translucent thermal insulation 1999 first power-generating waterproofing membrane 2004 first thermal fire shutter for automatic closing of outlets and vents in the case of fire 2005 EVALON® Solar wins the Batimat Gold Award for Innovation 2005 2006 CE certification of the waterproofing membranes 2010 EVALON Solar® obtains a patent for connection technology 2011 first Environmental Product Declaration for waterproofing membranes according to IBU directives 2013 first self-adhesive and homogeneous weldable EPDM waterproofing membrane with integrated fire protection layer 2014 new daylight systems 2015 new roof drainage system and flat roof vents 2016 New, worldwide unique powder coating line top Memberships General Terms of Delivery of alwitra GmbH Imprint/Disclaimer Data Protection Statement Wir verwenden Cookies, um unsere Website und unseren Service zu optimieren. Cookie-Richtlinie - Impressum Alle akzeptieren verwerfen Vorlieben