steel, fire rated access door for walls & ceilings. With an insulated door panel, this unit has a ul 90-minute label for walls with a maximum temperature rise of 250 degrees after 30 minutes. This unit is also test up to 3 hours in ceiling applications and carries a warnock hersey rating for ceilings. Self latching, 2 latches. White finish. 26"w x 38"h outside flange dimensions. 24-1/8"w x 36-1/8"d x 2-9/16"h return flange dimensions.
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