Labels:dialog box | web site | window OCR: UNDERWRITERS LABORATORIES INC. CLASSIFIED 3501 WALLBOARD GYPSUM ISSUE NO C-3258 TYPE FSW 5/8 (24 OR 46 TO 54 JN. WIDE) FIRE RESISTANCE CLASSIFICATION SEEULFIRE RESISTANCE DIRECTORY This what UL label looks like when printed the back of wallboard The FSW designates this 1s type wallboard Prev Next
