Mapes Corelite panels are manufactured utilizing a corrugated high-density polyethylene (HDPE) substrate for the most demanding glazing applications. Corelite is available in both 1/4" veneer and insulated compositions. It is an ideal solution for window replacement, curtain wall infill, veneers and fascias. Corelite is available in all Mapes standard finishes. Corelite panels are moisture resistant and designed for low impact infill and glazing projects.