Labels:hakham | monitor | plant | reckoner | sky OCR: SUBSTRATES anized Steel Over 75 years of architectural application Grades G-30 G-60 G-90 etc.) but G-90 1S recomm ended for architectural applicati ions G-rating refers to the amount of zinc per/SF per/side for example G-90 has .45oz. zinc per side. Available sold bare or coated with a paint finish. Accepts a wide variety of finishes Lowrelative expansion and contraction. IS most common ASTM 653 grade IS required forUL-90 (formerly ASTM 446 Sacrificial properties of zinc enhance corrosion resistance Galvanized applications
