STEEL DOOR FRAMES
UP TO 3 HOUR
(POSITIVE PRESSURE)
CERTIFIED TO: NFPA 252, UL 10B, UL 10C, CAN/ULC S104, BS 476, UL 63
Any changes or modifications of these manufacturing specifications must be approved by Intertek Testing Services in writing.
Any deviations from these specifications will be cause for rejection of the frames.
Installation must be in accordance with NFPA 80.