Drain Channel Made In Situ with Mortar

Drain channel at foot of wall, 100 mm wide and 100 mm high, at bottom of buffer chamber, made in situ with mortar of cement, industrial, with water-repellent additive, M-15, finished smooth, with a minimum slope of 5%, a maximum slope of 14% and a sump of 110 mm diameter minimum every 25 m² of wall, for collection of water seepage in partially waterlogged walls, with a minimum impermeability grade of 1, according to DB HS 1 Protection against humidity (CTE) and subsequent evacuation to the building's sewage system. Including elastic coating, for waterproofing of the drain channel.