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About J-Bead Frame for Perforated Grilles

3-Part CSI specifications  

J-Bead Frame for Perforated Grilles


Advanced Architectural Grilleworks, the innovator of the Plaster J-Bead® frame for linear bar grilles, has developed a similar product for perforated metal grilles that will improve installation speed and accuracy while providing a strong and seamless finished result.

“HVAC Industry standards were not satisfying our customers’ requirements so we undertook extensive testing and development with some of our key HVAC clients and engineers.  The resulting solution is a J-Bead frame for perforated grilles with numerous unique features including multiple core mounting options.”



There are no unsightly rivets, welds or seams that can crack or pull-apart as is the current industry standard. The flange provides multiple recessed capture areas for plaster or “mud” and there is a step enabling the finishers to smoothly and cleanly apply an initial coat and a final skim coat. Additionally, there are numerous pre-punched holes designed to accept standard wall board screws with spacing to accommodate any wall condition.

The perforated grille J-Bead style frame can be provided in any shape or configuration (fixed or removable; with or without a door) and will accommodate either filter slots or opposed blade dampers.

The frame is available in aluminum with a full range of finishes: satin #4, satin – clear anodized, mirror polish #8, prime painted, or powder coated.

3-Part CSI specifications for J-Bead Frame for Perforated Grilles

3-Part CSI specifications for J-Bead Frame for Perforated Grilles
Description Format Size Download
Open Area Calculator: Perforated Grilles
Use the calculator below to determine the open area of your perforated grille in both square inches and as a percentage of the overall grille area.

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News archive:
Introducing the JBead Frame for Perforated Grilles (Mar 20, 2016)

05500 - Metal Fabrication
05580 - Formed Metal Fabrication
05700 - Ornamental Metal
10240 - Grilles and Screen
15800 - Air Distribution
15850 - Air Outlets and Inlet
05 50 00 - Metal Fabrications
05 58 13 - Column Covers
05 58 16 - Formed Metal Enclosures
05 58 19 - Heating/Cooling Unit Covers
05 70 00 - Decorative Metal
10 22 23.13 - Wall Screens
10 82 00 - Grilles and Screens
10 82 23 - Interior Grilles and Screens
23 30 00 - HVAC Air Distribution
23 37 00 - Air Outlets and Inlets
23 37 13 - Diffusers, Registers, and Grilles
23 37 23 - HVAC Gravity Ventilators
23 37 23.16 - HVAC Gravity Louvered-Penthouse Ventilators