LOUVERS – 45-90 MINUTE FLUSH DOOR NEUTRAL PRESSURE
Listed and labeled fusible link louvers are allowed.
Louvers shall be located a minimum of 10″ (254 mm) from the bottom of the door and 5″ (152.4 mm) from the edge of the door or any other cutout.
Multiple louvers are allowed (within the maximum area stated below).
Maximum area: 1296 square inches (0.836 square meters)
Maximum width: 24″ (609 mm)
Maximum length: 24″ (609 mm)
Note: Doors prepared for louvers shall not have fire exit hardware or vision panels installed (per NFPA 80).
Vancouver Door Company, Puyallup WA.