Metal Roofing

SYSTEMS & PROFILES GUIDE Metal Roofing Panels: Types, Gauges & Profiles Guide Metal roofing panels are engineered in multiple distinct profiles, metal gauges, and fastening methods. Understanding the differences between concealed-fastener standing seam panels and through-fastened corrugated sheets is essential for matching your roof pitch, budget, and architectural requirements. Figure: Concealed clips allowing thermal expansion … Read more

STEEL COATING & CORROSION SCIENCE Galvanized Metal Roofing: G90 Zinc vs. Galvalume Steel Galvanized metal roofing is carbon steel coated with a sacrificial layer of molten zinc (ASTM A653) to prevent rust and oxidation. While traditional G90 galvanized steel has protected roofs for over a century, modern aluminum-zinc Galvalume (ASTM A792) has become the dominant … Read more

COASTAL & LIGHTWEIGHT METAL Aluminum Roofing: Coastal Durability, Weights & Costs Aluminum roofing is an exceptionally corrosion-resistant, lightweight metal roofing solution designed for coastal saltwater environments and luxury residential architecture. Installed at $9.00 to $18.00 per square foot ($900 to $1,800 per square), aluminum contains zero ferrous iron, eliminating red rust degradation and weighs 50% … Read more

STAMPED MODULAR METAL TILES Metal Shingles: Stone-Coated Steel, Slate & Tile Profiles Metal shingles (including stone-coated steel and stamped aluminum tiles) combine the 50+ year durability, Class A fire rating, and lightweight benefits of metal with the traditional aesthetic of architectural shingles, clay tiles, or hand-split wood shakes. Installed costs range from $9.00 to $15.00 … Read more

PANEL DIMENSIONS & COVERAGE REFERENCE Metal Roof Panel Width: Nominal Width vs. Net Coverage When calculating metal roof materials, overall panel width is not the same as net coverage width. While a corrugated panel may measure 38 inches wide overall, it provides exactly 36 inches of installed coverage after subtracting panel lap ribs. Standard standing … Read more

METAL ROOFING PRICING & SYSTEM GUIDE Metal Roof Cost: Installed Prices by System & Material Installing a residential metal roof costs between $5.00 and $17.00+ per square foot ($500 to $1,700 per square) installed, with most 2,000 sq ft homes costing $11,000 to $18,000 for exposed-fastener corrugated panels and $20,000 to $34,000 for standing seam … Read more

CONCEALED FASTENER METAL PRICING Standing Seam Metal Roof Cost: Snap-Lock vs. Mechanical Installing a standing seam metal roof costs between $10.00 and $17.00 per square foot ($1,000 to $1,700 per square), averaging $20,000 to $34,000 for a typical 2,000 sq ft home. Concealed clips, continuous vertical seams, and 50+ year durability make it the gold … Read more

HEAD-TO-HEAD MATERIAL COMPARISON Metal Roof vs. Shingles: Costs, Lifespan & ROI Comparison Choosing between standing seam metal and architectural asphalt shingles is the most common material dilemma for homeowners. While asphalt shingles cost 50% to 65% less initially, metal roofing lasts two to three times longer, offers superior wind and fire ratings, and delivers higher … Read more

RETROFIT & INSTALLATION STANDARDS Can You Install a Metal Roof Over Shingles? Rules & Codes Yes, you can install a metal roof over existing asphalt shingles in many situations, provided local building codes permit a second roof layer (IRC §R908.3), the underlying wooden deck is structurally sound, and the manufacturer approves the overlay method using … Read more