134632 ⎘
Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings ; Features of rigidly-mounted outer frames relating to the mounting of wing frames; Door leaves; Specific frame characteristics; Wooden frames with fire retardant measures in frame
System, method and apparatus for producing fire rated doors
#2Method for producing fire rated door by inserting intumescent material in a perimeter channel of a first and second door panel
#3FIRE-RESISTANT PANEL DOOR
#4System, method and apparatus for producing fire rated doors
#5Fire retardant panel door and door frame having intumescent materials therein