Rigid PVC skirting with co-extruded flexible lips and a seal groove, 85 or 100 mm high, 3 m long, white or black, for a watertight, easy-to-clean junction between the floor and the walls of the cold room, dairy or processing workshop. It follows floor and wall irregularities, protects walls from knocks and is fixed with clip-on screw covers or adhesive, from –20 °C to +40 °C.