Gordon Perforation Options 2026

Perforations Gordon, Inc. offers a wide range of standard perforation patterns to suit the look and performance needs of any project. You can pick from round, square, slotted and oblong holes in many sizes and open areas, along with woven, expanded and 3D tubular options. Every pattern is made with the same precision and quality that goes into all Gordon, Inc. products. Open Area: 40% Pattern: 1/4” (.250”) Thick Straight Centers Open Area: 40% Pattern: Oblong 1/16” (.063”) x 1” (1.000”) Side-staggered Centers Open Area: 33% Pattern: Oblong 1/16” (.063”) x 1” (1.000”) Side-staggered Centers MILLENNIUM® O116-10SS40 O116-10SS33 Open Area: 20% Pattern: Oblong 1/16” (.063”) x 1” (1.000”) Straight Centers Open Area: 20% Pattern: Oblong 1/16” (.063”) x 1” (1.000”) Side-staggered Centers Open Area: 17% Pattern: Oblong 1/16” (.063”) x 1” (1.000”) Straight Centers Open Area: 32% Pattern: Oblong 1/8” (.125”) x 1/2” (.500”) Side-staggered Centers Open Area: 21% Pattern: Oblong 1/8” (.125”) x 1/2” (.500”) Side-staggered Centers Open Area: 43% Pattern: Oblong 1/8” (.125”) x 1” (1.000”) Side-staggered Centers O116-10ST20 O116-10SS20 O116-10ST17 O18-12SS32 O18-12SS21 O18-10SS43 STANDARD PERFORATION PATTERNS

Perforations Open Area: 22% Pattern: Oblong 1/8” (.125”) x 1” (1.000”) Straight Centers Open Area: 31% Pattern: Slot 1/16” (.063”) x 1/2” (.500”) Side-staggered Centers Open Area: 25% Pattern: Slot 1/16” (.063”) x 1/2” (.500”) Side-staggered Centers O18-10ST22 T116-12SS31 T116-12SS25 Open Area: 18% Pattern: Slot 1/8” (.125”) x 1” (1.000”) Straight Centers Open Area: 36% Pattern: Slot 1/8” (.125”) x 1” (1.000”) Side-staggered Centers Open Area: 42% Pattern: Slot 9/64” (.141”) x 3/4” (.750”) Straight Centers Open Area: 25% Pattern: Round 1/16” (.063”) x 7/64” (.111”) Diagonal Centers Open Area: 23% Pattern: Round 1/16” (.063”) x 7/64” (.115”) Straight Centers Open Area: 20% Pattern: Round 1/16” (.063”) x 1/8” (.125”) Straight Centers T18-10ST18 T18-10SS36 T964-34ST42 R116-764DG25 R116-764ST23 R116-18ST20 STANDARD PERFORATION PATTERNS

Perforations Open Area: 12% Pattern: Round 1/16” (.063”) x 5/32” (.163”) Diagonal Centers Open Area: 10% Pattern: Round 1/16” (.063”) x 11/64” (.172”) Straight Centers Open Area: 7% Pattern: Round 1/16” (.063”) x 13/64” (.210”) Diagonal Centers R116-532DG12 R116-1164ST10 R116-1364DG07 Open Area: 6% Pattern: Round 1/16” (.063”) x 15/64” (.231”) Diagonal Centers Open Area: 6% Pattern: Round 1/16” (.063”) x 15/64” (.231”) Straight Centers Open Area: 5% Pattern: Round 1/16” (.063”) x 1/4” (.250”) Straight Centers Open Area: 6% Pattern: Round 1/16” (.063”) x 1/4” (.250”) Staggered Centers Open Area: 5% Pattern: Round 1/16” (.063”) x 1/4” (.250”) Diagonal Centers Open Area: 3% Pattern: Round 1/16” (.063”) x 11/32” (.344”) Straight Centers R116-1564DG06 R116-1564ST06 R116-14ST05 R116-14SG06 R116-14DG05 R116-1132ST03 STANDARD PERFORATION PATTERNS

Perforations Open Area: 10% Pattern: Round 5/64” (.078”) x 7/32” (.220”) Diagonal Centers Open Area: 20% Pattern: Round 3/32” (.094”) x 3/16” (.188”) Straight Centers Open Area: 23% Pattern: Round 3/32” (.094”) x 3/16” (.188”) Staggered Centers R564-732DG10 R332-316ST20 R332-316SG23 Open Area: 8% Pattern: Round 3/32” (.098”) x 5/16” (.307”) Diagonal Centers Open Area: 27% Pattern: Round 1/8” (.118”) x 7/32” (.216”) Staggered Centers Open Area: 39% Pattern: Round 1/8” (.125”) x 11/64” (.177”) Diagonal Centers Open Area: 40% Pattern: Round 1/8” (.125”) x 3/16” (.188”) Staggered Centers Open Area: 23% Pattern: Round 1/8” (.125”) x 1/4” (.250”) Staggered Centers Open Area: 20% Pattern: Round 1/8” (.125”) x 1/4” (.250”) Straight Centers R332-516DG08 R18-732SG27 R18-1164DG39 R18-316SG40 R18-14SG23 R18-14ST20 STANDARD PERFORATION PATTERNS

Perforations Open Area: 13% Pattern: Round 1/8” (.125”) x 21/64” (.328”) Staggered Centers Open Area: 11% Pattern: Round 1/8” (.125”) x 11/32” (.336”) Diagonal Centers Open Area: 10% Pattern: Round 1/8” (.125”) x 23/64” (.354”) Straight Centers R18-2164SG13 R18-1132DG11 R18-2364ST10 Open Area: 23% Pattern: Round 5/32” (.156”) x 5/16” (.313”) Staggered Centers Open Area: 25% Pattern: Round 3/16” (.181”) x 11/32” (.345”) Staggered Centers Open Area: 39% Pattern: Round 3/16” (.188”) x 17/64” (.265”) Diagonal Centers Open Area: 20% Pattern: Round 3/16” (.188”) x 3/8” (.375”) Straight Centers Open Area: 23% Pattern: Round 3/16” (.188”) x 3/8” (.375”) Staggered Centers Open Area: 8% Pattern: Round 3/16” (.188”) x 5/8” (.625”) Staggered Centers R532-516SG23 R316-1132SG25 R316-1764DG39 R316-38ST20 R316-38SG23 R316-58SG08 STANDARD PERFORATION PATTERNS

Open Area: 8% Pattern: Round 3/16” (.188”) x 21/32” (.650”) Staggered Centers Open Area: 26% Pattern: Round 7/32” (.219”) x 13/32” (.406”) Staggered Centers Open Area: 58% Pattern: Round 1/4” (.250”) x 5/16” (.313”) Staggered Centers R316-2132SG08 R732-1332SG26 R14-516SG58 Open Area: 45% Pattern: Round 1/4” (.250”) x 23/64” (.354”) Staggered Centers Open Area: 30% Pattern: Round 1/4” (.250”) x 7/16” (.438”) Staggered Centers Open Area: 23% Pattern: Round 1/4” (.250”) x 1/2” (.500”) Staggered Centers Open Area: 20% Pattern: Round 1/4” (.250”) x 1/2” (.500”) Straight Centers Open Area: 46% Pattern: Round 5/16” (.313”) x 7/16” (.438”) Staggered Centers Open Area: 51% Pattern: Round 3/8” (.375”) x 1/2” (.500”) Staggered Centers R14-2364SG45 R14-716SG30 R14-12SG23 R14-12ST20 R516-716SG46 R38-12SG51 Perforations STANDARD PERFORATION PATTERNS

Perforations Open Area: 40% Pattern: Round 3/8” (.375”) x 9/16” (.563”) Staggered Centers Open Area: 15% Pattern: Round 3/8” (.375”) x 55/64” (.866”) Straight Centers Open Area: 13% Pattern: Round 3/8” (.375”) x 31/32” (.974”) Staggered Centers R38-916SG40 R38-5564ST15 R38-3132SG13 Open Area: 11% Pattern: Round 3/8” (.375”) x 1” (1.000”) Straight Centers Open Area: 48% Pattern: Round 1/2” (.500”) x 11/16” (.688”) Staggered Centers Open Area: 35% Pattern: Round 1/2” (.500”) x 3/4” (.750”) Straight Centers Open Area: 23% Pattern: Round 1/2” (.500”) x 1” (1.000”) Staggered Centers Open Area: 25% Pattern: Square 1/4” (.250”) x 1/2” (.500”) Straight Centers Open Area: 13% Pattern: Square 1/4” (.250”) x 3/4” (.750”) Staggered Centers R38-10ST11 R12-1116SG48 R12-34ST35 R12-10SG23 S14-12ST25 S14-34SG13 STANDARD PERFORATION PATTERNS

STANDARD PERFORATION PATTERNS Perforations Open Area: 11% Pattern: Square 1/4” (.250”) x 3/4” (.750”) Straight Centers Open Area: 14% Pattern: Square 3/8” (.375”) x 1” (1.000”) Straight Centers Open Area: 13% Open Area: 71% Pattern: Square 1/2” (.500”) x 19/32” (.594”) Straight Centers Meets NFPA Code 13 - 8.15.13 Open-Grid Ceilings S14-34ST11 S38-10ST14 S12-1932ST71 Open Area: 41% Pattern: Square 7/16” (.438”) x 11/16” (.688”) Basket Weave

YOUR VISION. OUR PRECISION. CUSTOM PERFORATIONS. CUSTOM PERFORATION PATTERNS Matrix 02 Cascade 03 Fractals - Diamond 04 Fractals - Oval 05 Supernova 01 Cubix 06 Fleur 08 Symbols 07 Please contact Gordon for design assistance with your guide specifications. Not all perforations can be used with every application. Material type, thickness, panel size, and application type must be taken into consideration when selecting the appropriate perforation pattern. GORPB9.26

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