Electric floor heating system

A floor heater is comfortable radiation heating from the step where human feels cold most. The popularity of a floor heater is becoming high also in Japan recently. Only by attaching instead of thermal insulation between joists, a floor heater is easily realizable.
Thickness is 12mm, as for a floor heater module, a heating element, a thermostat, and a temperature fuse are built into an inside, the up surface is being worn with a steel plate and the lower part is covered with thermal insulation.