ááááááááááá UNDERWRITERS LABORATORIES INC.«áCLASSIFIED
áááááááá R 3501ááááááááááááá
WALLBOARD GYPSUMáááááááá ááááááááááááá áááááááááááááááááááááá
ISSUE NO. C-3258
5/8ö (24 OR 46 TO 54 IN.
WIDE)
FIRE RESISTANCE
CLASSIFICATION
SEE UL FIRE RESISTANCE
DIRECTORY