A metal roof is a significant investment, offering durability, energy efficiency, and a long lifespan. This Metal Roofing Cost Calculator helps you estimate the potential expenses involved, breaking down costs for materials and labor based on your roof's specific dimensions and pitch.
How to Use the Calculator:
Total Eave Length (feet): Measure the total length of all eaves on your roof. For a simple gable roof, this would be the length of one eave multiplied by two.
Ridge-to-Eave Length (feet, one slope): Measure the distance from the peak (ridge) of your roof down to the edge of the eave, along the slope of the roof.
Roof Pitch Rise & Run: This describes the steepness of your roof. A 6/12 pitch means the roof rises 6 inches vertically for every 12 inches it extends horizontally. Enter the 'rise' (e.g., 6) and the 'run' (e.g., 12) separately.
Metal Panel Cost per Sq Ft ($): This is the cost of the metal roofing panels themselves. Prices vary widely based on material (steel, aluminum, copper), gauge (thickness), finish, and profile (e.g., standing seam, exposed fastener). Typical costs can range from $2.50 to $8.00+ per square foot.
Trim/Flashing Cost per Linear Ft ($): Trim pieces (e.g., ridge caps, eave trim, gable trim, wall flashing) are essential for weatherproofing and aesthetics. Enter an average cost per linear foot for these components.
Fastener Cost per Sq Ft ($): This covers the screws, clips, and other hardware needed to secure the panels and trim.
Underlayment Cost per Sq Ft ($): Underlayment provides an additional layer of protection beneath the metal panels. Costs vary based on material (synthetic, asphalt-saturated felt).
Labor Cost per Sq Ft ($): Installation labor is a significant portion of the total cost. This can vary greatly by region, roof complexity, and installer experience.
Waste Factor (%): Roofing projects often involve some material waste due to cuts, mistakes, or damaged pieces. A typical waste factor is 5-15%.
Factors Influencing Metal Roof Costs:
Material Type: Steel is common and affordable, aluminum is lighter and rust-resistant, copper and zinc are premium options with unique aesthetics and longevity.
Panel Profile: Standing seam roofs are generally more expensive due to their concealed fasteners and specialized installation, but offer superior weather protection. Exposed fastener panels are more budget-friendly.
Gauge (Thickness): Thicker metal (lower gauge number) costs more but offers greater durability.
Finish/Coating: High-quality paint systems (like Kynar 500®) offer better fade and chalk resistance but add to the cost.
Roof Complexity: Roofs with many valleys, hips, dormers, or skylights require more intricate cutting, flashing, and labor, increasing costs.
Geographic Location: Labor rates and material availability vary by region.
Old Roof Removal: If an existing roof needs to be torn off, this will add to the labor and disposal costs.
This calculator provides an estimate. For an accurate quote, always consult with a qualified local metal roofing contractor who can assess your specific project requirements.