Learn the key factors—filtration particle size, airflow, visibility, aesthetics, and structural strength—that guide the selection of the optimal perforated metal hole size for your project.
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Category: Product Selection Guides
How to Choose Open Area for Perforated and Expanded Metal
Understanding how open area percentage influences airflow, light transmission, visibility, and structural strength helps engineers specify the optimal perforated or expanded metal for each application.
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What Bar Grating Should I Use for a Walkway
Guidance on selecting bearing bar size, spacing, and surface finish (serrated recommended) for pedestrian walkways, with a disclaimer to verify load ratings with a structural engineer.
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