FLAGON® BT France 2.0 mm

FLAGON® BT 2.00 mm geomembrane is a non-reinforced synthetic single-ply membrane made by co-extrusion from translucent PVC-P.


FLAGON® BT 2.00mm geomembrane can be used as part of a single-layer waterproofing system, compartmentalised or not, or a Flag Vacuum system. The strips are usually welded together by applying hot air using a manual or automatic welder with a minimum a 30mm overlap. They can be double-welded with a central canal using a wedge welder. FLAGON® BT 2.00mm is compatible with all the accessories and membranes in the FLAGON® PVC-P range.

FLAGON® BT 2.00mm
is a translucent synthetic membrane used as a waterproofing layer in civil engineering and building structures such as:
- Tunnels and dug and bored galleries
- Cut and cover tunnels
- Coverings of buried structures
- Underground car parks
- Sealed encasings of civil engineering structures and buildings

- excellent weldability,
- high resistance to attack by micro-organisms and perforation by roots,
- unaffected by hot-cold cycles,
- can be used in the Flag Vacuum system.


  • Thickness: 2.0mm
  • Roll length / width: 20ml (other lengths available on request) / 2.10ml


FLAGON® BT 2.00 mm is highly resistant to attack by micro-organisms and perforation by roots. The translucency of this membrane allows easy visual inspection of weld quality. CIVILROCK attaches the highest importance to the quality of its products. This is why we operate a quality assurance system according to ISO 9001 BSI certified.

FLAGON® BT 2.0mm
geomembrane, combined with FLAGON PZ 1.9mm protective membrane, meets the recommendations of CCTG Book 67, section III, DTU 14.1 and has obtained CETU technical approval.