Roof and gutter heating with self-limiting heating tape, consisting of 2 parallel tinned copper strands and a plastic heating element in between, protective insulation made of polyolefin, with protective braid made of tinned copper strands and outer protective sheath made of polyolefin. Max. permissible ambient temperature: switched on 65°C / switched off 85°C, nominal voltage: 220/240 V, nominal power: 18 W/m at 10°C, dimensions: 11.3 x 5.8 mm, 0254 approval, 100 m drum