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Types of Material -
Different material – Limitations
3. Profiled Glazed fire door 
• Sheet thickness of frame & shutter
• Multiple sheet thickness like 2.0mm, 1.6mm, 1.2mm, 0.8mm etc.. • Manufacturer test certificate is directly related to sheet thickness which he has tested
• Two types of glasses are used 
• Monolithic clear glass
• Gel Laminated glass
• Monolithic glass are clear and transparent during the entire duration of the test or fire. It does not offer any insulation
• Gel laminated glass turns white after 10minutes of exposure to fire.