Best Online Parts Guide: Entry Door Lite Glass And Side-lite PVC Inserts: Pvc, Plastic, Composite, Wood and Meatl door glass surround inserts - called entry or front door lite panels, sidelites, fulllite components - basicly consist of an exterior moulding and an interior moulding, both of which make up the frame or rim assembly. As time and heat, cold and the environment take their toll many plastic door-lite units crack and need to be replaced.