MBG 531–00

AMERICAN NATIONAL STANDARD
MBG 531 –00
February 21, 2001
SIXTH EDITION
ANSI/NAAMM MBG 531-00
METAL BAR GRATING
MANUAL
February 21, 2001
ANSI/NAAMM MBG 531-00
5
GRATINGS
ANSI/NAAMM
• Maximum Bearing Bar Depth . . . 2 1/2" (63.5 mm)
MBG Metal Bar Grating Division of
THE NATIONAL ASSOCIATION OF ARCHITECTURAL METAL MANUFACTURERS
GRATINGS
• Maximum Depth of I-Bar. . . . . . . 2 1/2" (63.5 mm)
5
• Maximum Bearing Bar Thickness
Steel & Stainless Steel . . . . . . . 3/16" (4.8 mm)
Aluminum . . . . . . . . . . . . . . . . . . 1/4" (6.4 mm)