Classic roof

  • High UV resistance without additional protection
  • Optimal mechanical strength
  • Proven lifespan of more than 50 years
  • Ease of implementation

The standard inaccessible multi-purpose and multi-support roofing system

Derbigum SP FR is the ideal waterproofing membrane for renovation and new construction of flat roofs that are inaccessible without additional protection, even in single-layer construction. It requires little maintenance for lasting peace of mind. Of course, its application system is ATG certified.

Do you want more commitment to environmental protection?

No problem with Derbigum NT, which is based on the circular economy. Containing 25% of materials from the recycling of cuts off, production and old roofing waste, it guarantees you the same characteristics as Derbigum SP FR.

Do you prefer a durable, high-quality synthetic membrane waterproofing system? No problem with the Vaeplan range! This Derbigum synthetic solution is 100% recyclable, has a lifespan of 40 years and is a very good alternative to the EPDM membrane for waterproofing your flat roof.


Your flat roof project is an achievement for life. Are you hesitating and would you like to be inspired by the realisation of other buildings similar to yours? Let yourself be inspired … by building sites where the Derbigum SP FR membrane has added that extra touch that makes all the difference.

Technical specification

With a few clicks, generate your own specifications and find the waterproofing solutions adapted to your project.

Taking into account information specific to your roof such as the existing support, the percentage of the roof slope, the insulation, the downloadable specifications describe, step by step, the appropriate waterproofing system and highlight the points of attention not to be missed for the successful waterproofing of your flat roof with Derbigum SP FR.

Where to find us?

To obtain the best price quotation, an application according to the rules, the standards in force and an excellent service, contact a member of the Derbigum Approved Contractors network. These companies are approved by Derbigum. They are on the cutting edge of the knowledge, they have followed the latest training courses, both technical and practical, and benefit from Derbigum’s frequent support to offer you perfect waterproofing. Receive a quote without any surprise and an efficient and pleasant service.

Contact us

Whatever your request, your question, you will always be welcome at Derbigum! Our mission is to answer in the most efficient and relevant way possible! Do not hesitate to contact us.

right-arrow-circular-button-outline Contact us
Scroll to Top