ACO Self® surface drainage channels in polymer concrete are distributed by Fuminas for projects that seek the best rainwater drainage system in: backyards, patios, gardens, pedestrian circulation areas, garages and more. At the heights of 9.5 cm and 12.5 cm, they come with galvanized steel or cast iron gangway grates, as well as grid grids - also galvanized steel. They also have a male and female connection - ensuring fast and simple installation - and vertical prermarca for connections with PVC pipe. In various colors (electrostatic powder paint), they are CE certified and comply with the EN 1433 standard.