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

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