XZIC provides a full line of standard and customized hollow metal doors with UL EN certificate,fire rated time from 1 hour to 3 hours.
Instructions for correct installation In order to install fire doors properly, the enclosed installation instructions must first be read carefully. It contains detailed explanations for each installation situation. Further information can be found in the DIN 18093 standard, which regulates the installation of fire doors. the frame, as corner, block or perimeter frame, is connected [...]