Universal mounting system for
roof-integrated photovoltaic panels


An integrated photovoltaic panel system
"developed by installers for installers"

  • Compatible with 95% of the framed modules on the market
  • Certified conception and design to allow watertightness, optimized ventilation and fire restistance
  • Easy and quick to install
  • 100% French manufacturing
1 countries
have adopted our products
of roofs covored with GSE IN-ROOF SYSTEM
1 GWp
already installed

Advantages of

Certified and guaranteed for 10 years

Designed and manufactured in France, the GSE IN-ROOF SYSTEM is certified by various European bodies.
Reliable and resistant, it has been designed to offer the same resistance and longevity as normal roof coverings like tiles, slates or zinc :
• Resistance to fire
• Completely waterproof: ensures complete watertightness of the PV system and the roof
• Optimal ventilation
• Impact resistance
• Very important mechanical resistance, compatible with all snow and wind zones


Choose the PV panels that best suits your project, the GSE IN-ROOF SYSTEM can integrate it :
• portrait or lanscape format
• all sloping roofs
• our 40 panel references allow the integration of most of the panels on the market
• integration system available for the major roof window brands: VELUX, ROTO, FAKRO.


• The most economical BIPV system on the market for new construction and for roof renovation for residential new builds.

Easy to install

With no risk of error, the patented system is assembled by interlocking the various parts
Quick to use: 8- to 16-module system installed in a day
Lightweight (2,5 to 3,5 kg/m²) and easy to transport
Flexible, adapts to all roofing configurations:
    • in portrait or landscape format.
    • All types of configuration (U-shaped, pyramid, etc.)
    • Specific flashing developed for the technical needs of different markets

Technical support

Enjoy a support service throughout your project:
• Training
• Technical support and guidance
• Planning tools


In 2022, the GSE IN-ROOF SYSTEM has evolved… In order to keep up with the requirements of the market and to adress the new expectations of more power per roof. The new GSE IN-ROOF SYSTEM, with it two half frames, allows the integration of larger, wider and more powerfull modules.

3 different product versions: 
• PORTRAIT format: for modules up to 1800 mm x 1160 mm (6 references)
• PORTRAIT format: for modules up to 1990 mm x 1135 mm (7 references)
• LANDSCAPE format: for modules up to 1905 x 1180 mm – LATER in 2024

Tool to help in configuring your worksites:

PV field size calculation:
GSE IN-ROOF configurator: