Guide made of glass fibre reinforced polyester (FRP / GRP) for concrete ducts dedicated to telecom / power cable lines
Ballast retention when the cover is removed for intervention
Blocking and alignment of covers on the bases
Stabilised circulation route for operators and personnel evacuation
Lengths available: 2, 3 and 4 m
Does not contain halogen
Other sizes (for RER and TGM ducts) on request