This Warmup inscreed electric floor heating system is ideal for installation within screeded floors of any size. Once installed, the heated screed can be covered with any flooring. Insulation boards are recommended for optimum heat up time. This kit features a tough 6mm heating cable protected by multiple layers of metal shielding & insulation, it is also suitable with wet rooms when used with a grounding braid. Output rating of 100w to 210w per square meter. Lifetime warranty.