Fire Resistant Composite Door is made from solid core composite GRP weather resistant Polyester Gelcoat and comes with laminated door shutter of 30 mm thick. Granalite supplies Fire Resistant Composite Door. Granalite manufactures a wide range of synthetic Granite and Marble artefacts and composite doors for use in building and architectural applications. The Fire Resistant Composite Door is available in various Pre-moulded plain design finishes on both faces and has termite and water resistant structural gluing based on hand lay.