SOPRALENE® BASE is a flexible SBS elastomeric bitumen waterproofing membrane with a non-woven polyester reinforcement. The topside is covered with by fine sand and the underside by a thermofusible film.


Advantages of SOPRALENE® BASE:
- High static and dynamic puncture resistance
- Excellent weldability: SOPRALENE® BASE is an outcome of bitumen and selectionated SBS thermoplastic polymers choosen for their reliability and weldability.


  • SOPRALENE® BASE is to be used as a first layer for upstands and as an underlayer in all two-ply elastomeric bitumen anti-root waterproofing systems for green roofs.
  • All applications are described in French Standards DTU, Technical Guideline or Technical Approvals. For further details refer to specific technical instructions.
  • SOPRALENE® BASE must be applied only by heat welding or torchon techniques. Hot bitumen must not be used in the bonding process.


  • Roll dimensions: 10 m x 1 m
  • Roll weight about: 36 kg
  • Storage: Upright on pallets with plastic shrink wrapping


SOPRALENE® BASE is a flexible membrane for roof waterproofing and complies with EN 13707, thereby bearing the CE standard marking.

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