MOLD SYSTEM AND APPARATUS FOR PRODUCING A COMPOSITE PANEL

摘要

An improved mold system and apparatus for producing a composite building panel comprised primarily of a foam backed plank, wherein during manufacture of the panel means are provided for selectively applying and holding a moisture impervious envelope about a foamable backer material in such a fashion that the envelope can assist in molding the foamable material into the desired shape during the foaming and curing thereof and thereafter serve as a moisture impermeable membrane in the finished product.