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Coco Architectural Offers ”Free Air Percentage” Grilles


What is "Free Air Percentage"?

Our catalog continually mentions the Free Air Percentage for the various linear bar grilles and perforated grilles that we offer. But we understand that "Free Air Percentage" is not extremely self-explanatory, so here's an explanation!

Free Air Percentage is calculated by taking the total open area of a vent and dividing by the overall wall opening. Our bar and perforated grilles offer free air percentages from 20% to 73% of the opening. A high free air percentage is beneficial because more air can enter into a smaller wall opening, reducing the cost of the wall opening and vent. However, some customers have a larger wall opening to fill, so it is our job to provide them with a vent cover that will meet their free air percentage needs.

About Coco Architectural

Coco Architectural Grilles & Metalcraft has been setting the new standard for custom fabricated metal products, including Linear Bar Grilles and Perforated Sheet Metal Grilles, for over a century.
  • Experience
  • Integrity
  • Quality
  • Service
  • Flexibility
These are the characteristics that define us. We understand the importance of your project. That is why the leadership team at Coco Architectural Grilles & Metalcraft is actively involved with you at every step. To ensure that your Linear Bar Grilles and Perforated Grilles will not only meet but exceed your expectations.

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