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4542 - 6" x 12" / 1 SHEET PACK
.040" (1.0mm) THICK X .075" (1.8mm) GROOVE SPACING (BOARD), .015" (.38mm) RIB WIDTH (BATTEN).
AVAILABLE IN 6" X 12" AND 12" X 24" SHEET SIZES.
SPACING IS CENTER TO CENTER OF GROOVES ( BOARDS).