1. A radiant heating device comprising:a sheet-like support with a support top side,
at least one heating element on said support top side, said heating element running in tracks in a laying pattern,
said heating element has at least two heating conductor strips, each of said heating conductor strips having lateral sides and a top edge and a bottom edge,
said at least two heating conductor strips are placed together or placed on one another by way of said lateral sides mutually facing each other,
said lateral sides are at least partially but not completely in contact relative to one another, and
said at least two heating conductor strips are connected to one another in a fixed and non-detachable manner such that said at least two heating conductor strips are extend partially but not completely against one another.