US Patent 8025240 Radiant heat flooring system

A flooring system for radiant heating includes a top floor portion and a subfloor portion. The top portion is releasably connectable to the subfloor portion in a vertical direction substantially perpendicular to a walking surface of the top portion. The top portion includes a bottom side and top channel portion downwardly depending from the bottom side. The subfloor portion includes a top side and a bottom channel portion extending upwardly from the top side. The top channel portion and the bottom channel portion bound a channel for receiving a heating conduit. The channel extends longitudinally relative to the top floor portion and the subfloor portion.