Prefabricated building panel and process for the manufacture thereof

Abstract From the Canadian patent

The invention relates to a prefabricated building panel which may be used is particular as a flooring element. The prefabricated building panel is constituted by a block of insulating material, particularly an expanded polymer material and a framework formed of at least one stiffener or bearer element, joined to the insulating material to form a selfbearing insulating panel without a thermal bridge. According to the invention the panel comprises at, least one stiffener element embedded in the block of insulating mat?rial. The invention also includes a process suitable for making this panel.