May 2019
Headquarters 67100 Strasbourg, France

SOPRASOLAR FIX EVO - Photovoltaic waterproofing process

SOPRASOLAR FIX EVO is a photovoltaic waterproofing process that does not require drilling or ballasting, used to convert roof surfaces into renewable electricity generating plants.

The process consists of a mount welded to the underlying waterproofing complex to which the photovoltaic solar panels are attached. It has been submitted to intensive state-of-the-art testing to prove its broad scope of application, including in tropical areas. Because the mounts are welded, no drilling is required through the waterproofing, thereby avoiding any thermal bridges or risk of leakage. The advantages of the process lie in the fact that welding avoids having to drill though the waterproofing or having to use any ballast. This means that the process is entirely suited to lightweight, competitive construction systems, while avoiding the risk of leakage due to the integration systems penetrating through the waterproofing.

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Key features

  • Converts areas already occupied into renewable electrical power plants.
  • Requires no drilling.


  • Possibility to inject power produced into public grid at 8-12€ cents per kWh.

Categories of Application

Company Profile

Maturity Stage

  • Medium and large scale commercialization
  • Small scale commercialization
  • Initial market commercialization
  • Prototype testing in the real world
  • Prototype testing 1:1 in the lab

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