Wärme Technik, a German brand, offers a range of heating cables, mats, and thermoregulators for residential and commercial use. The Wärme Twin Flex Cable is a thin two-core resistive cable designed for underfloor heating systems. The cable covers an area of 1.2-1.5m² and has a power output of 16 W/m (at 230V), with a maximum working temperature of +65°C. The complete set includes the cable, mounting tape, and a corrugated tube. The cable is installed in tile glue (1-2 cm) or screed (3-5 cm), with a laying pitch of 7.5-12 cm. The cable's internal insulation is made of fluoroethylene propylene, while the external insulation is made of PVC. The Wärme Twin Flex Cable comes with a 20-year warranty and a coupled connection type, a diameter of 3.5 mm, a minimum bending radius of 17.5 mm, and a protective screen made of aluminum tube.