DIAMOND PERFORATED METALS 7300 W. Sunnyview Avenue Visalia, CA 93291 PHONE: 559.651.1889 TOLL FREE: 800.642.4334 FAX: 800.241.6608Perforated Metal Patterns to Meet Any Need. Accurate Perforating offers perforation patterns to suit any decorative or functional requirement, from basic, stock perforations toplex patterns. Choose from our standard round staggered, round straight, slot, square, decorative patterns and much more. Don't see the pattern you want, contact us ...Perforated metal sheet, aluminium, round holes metal sheet, honeycore type alum sheet, sizes 1200x2400 mm, 600x600mm. or 600mm X 1200mm. Elevator Cabin Cladding Perforated Panels . Decorative aluminum mesh for the inside cladding of an elevator cabin. Perforated Aluminum for Architectural Wall Panels . Project : Hotel Tower Metal Wall PanelsSteel diamond mesh sheets, the most versatile and economical expanded metal mesh product,is made from the sheets or coils of mild steel,galvanized steel,stainless steel,aluminum,which are uniformly slit and stretched, forming a diamond pattern of openings in the finished sheet. Expanded metal has various of patterns by using the different molds.