Coletanche provides optimal protection against seasonal, accidental, and chronic pollution and is also well-suited to minimise the impact of road construction projects in ecologically sensitive areas.
More specifically, Coletanche GC is a waterproofing system using a bituminous geomembrane for underground works, under the Technical Assessments from the CETU (n° 15-001). It allows eliminating the risk of infiltration of natural ground water into underground structures: cut and cover trenches, vaulted works …