Abstract: There is disclosed a lightweight composite glass panel constructed of a tempered glass pane mounted on a supporting panel with a layer of PVC laminate. The supporting panel includes two layers of aluminum sheeting with a polyethylene core. The composite glass panel may be mounted on walls or other structures using keyholes cut through the rear aluminum panel and into the polyethylene core or by edge brackets that insert into a groove routered into the polyethylene core around the edges of the panel.