Perforated Metal Roofing Panels For Commercial And Residential Roofs

Perforated metal is manufactured from several types of metal, depending on the application and performance requirements. Common materials includes:

• Galvanized steel
• Corten
• Corten AZP Raw

Open area refers to the percentage of a perforated metal sheet's total surface area that consists of openings. It determines how much air, light, or liquid can pass through the material.

For example, a perforated metal sheet with 40% open area has openings that account for 40% of its total surface area, leaving 60% solid metal. Open area is influenced by hole size, spacing, and pattern arrangement.

Yes. Perforated metal can provide excellent strength and durability, but its structural performance depends on the base metal, thickness, hole size, spacing, and open-area percentage. Larger holes and higher open-area percentages generally reduce the amount of solid material remaining in the sheet. For load-bearing or structural applications, the specific perforated configuration should be evaluated to ensure it meets project requirements.

Learn More

Rust resistance depends on the type of metal and its protective finish. Aluminum and stainless steel offer corrosion resistance, while carbon steel may require galvanizing, painting, or another protective coating to prevent corrosion. The appropriate material should be selected based on the installation environment, moisture exposure, and expected service life.