... of house or flats. 2.can also be used as steel door. 3.suitable for wall thickness security door1.Material:steel2 ... :heat-transfer printing, power coating,metallic,etc5.Doorsill:iron or stainless steel6. .Infilling:honeycomb paper,al-silica fiber.7.Opening direction ... ,Lock,handle,doorbell,peephole,etc10.OEM service is available 2011 hot sale security door