The roof drain for flat roof surfaces is used for point drainage and is equipped with a pressure sealing flange as well as a gravel trap. The recyclable composite material Ecoguss fulfils the highest sound protection requirements, is resistant to aggressive media, can withstand temperatures up to 400 degrees Celsius and has a permanently corrosion-free surface. Note: Please consult the KESSEL Service Centre for trapezoidal roof areas greater than 2500 sqm.