Polymer concrete Linear Drainage Channel ULMA, type multiV+ R150G; External width 186mm, Internal width 150mm, with overall heights between 80 and 320mm; suitable also with 0,5% presloped or cascade-type slopes to collect rainwater; sections 1 LM in length; optimized V-shape with self-cleaning effect; galvanized steel edges for lateral protection; fast RapidLock® boltless fastening system or screw system with 8 fastening points per LM.