Corrugated Metal Panel Calculator
Calculate Metal Panel Materials
Estimate panels, screws, and trim for roofing or siding
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Formula
Panels = (Area Length / Panel Width) x (Area Height / Panel Length) x 1.05 waste factor
Frequently Asked Questions
How many screws per metal panel?
Use approximately 80 screws per 100 square feet (about 12-15 screws per 26-inch wide panel). Place screws in the flat of the corrugation for roofing and in the rib for siding.
How much do metal panels overlap?
Standard corrugated metal panels overlap by one rib, or approximately 2 inches. The overlap should face away from prevailing winds to prevent water infiltration.
How long do corrugated metal panels last?
Galvanized corrugated metal lasts 20-30 years. Painted or coated panels (Galvalume) last 40-60 years. Standing seam metal roofing can last 50+ years with proper installation.
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