Wärme Technik, a German brand, offers a reliable and efficient heating solution for underfloor heating systems with their Wärme Twin Flex Cable. This thin two-core resistive cable has a heating area of 4.8-6.0m² and a power of 16 W/m (at 230V), suitable for installation in tile glue (1-2 cm) or screed (3-5 cm). It also comes with a 20-year warranty and a complete set of cable, mounting tape, and corrugated pipe. The cable is coupled and has a diameter of 3.5 mm, with a laying pitch of 7.5-12 cm and a minimum bending radius of 17.5 mm. The internal insulation is made of fluoroethylene propylene, while the external insulation is made of PVC. The protective screen is made of aluminum tube, capable of handling a maximum working temperature of +65°C.