This type of tile is easy to replace. Also look in the wiring and observe how accurately it views the doors and casements. Exterior doors may be used while on the interior from the building but an interior door must used a good exterior usage. https://heealthy.com/question/el-papel-esencial-del-vidrio-resistente-al-fuego-en-la-edificacion-moderna-en-el-panorama-arquitectonico-contemporaneo-la-seguridad-y-el-cumplimiento-de-los-codigos-de-construccion-son-primordiales/