Metal Roof Cost Calculator

A metal roof typically costs $5 to $20 per square foot installed, depending mostly on the panel type. For an average 1,800 sq ft roof, that's roughly $9,000 to $30,000. Economy corrugated steel is at the low end (~$5–$9/sq ft), ribbed/R-panel is the residential standard (~$7–$12), metal tile and stone-coated steel are mid-range (~$9–$16), and premium standing seam is the top (~$12–$20). On top of the panel, roof pitch adds a 10–45% labor surcharge for steeper slopes, multiple stories add 10–25%, and tearing off an existing roof adds $1.50–$2.50 per square foot. A ~$5,000 minimum applies. Metal roofs cost more upfront than asphalt shingles but last two to three times as long. Use the calculator above to price your specific roof.

Metal roofs are prized for longevity. Corrugated and ribbed steel roofs typically last 40–70 years with proper maintenance, and standing seam can last 50 years or more. Stone-coated steel and metal tile systems carry manufacturer warranties of 30–50 years. By comparison, standard asphalt shingles last only 15–30 years. That longer lifespan is central to the value case: a metal roof often costs more upfront but less over the life of the home, because you avoid the one or two full re-roofs an asphalt roof would need in the same period. Exposed-fastener panels (corrugated, ribbed) do require periodic fastener maintenance, while concealed-fastener standing seam is essentially maintenance-free — a factor in both cost and lifespan.

It comes down to how the panels attach. Corrugated and ribbed panels use exposed fasteners — screws driven through the panel face that are visible and must be maintained, since the rubber washers wear out over 15–20 years and can leak. Standing seam uses concealed fasteners hidden beneath interlocking raised seams, which eliminates the primary leak point and gives a cleaner, more modern look. Standing seam costs roughly 60–100% more than corrugated but needs virtually no fastener maintenance and performs better in high-wind and heavy-snow environments. For budget projects, outbuildings, and barns, exposed-fastener panels are cost-effective; for a premium residential roof you want to install once and forget, standing seam is the choice.

Yes, in most cases. Installing metal over existing shingles (an 'overlay' or 'recover') is permitted by most building codes when there's only one existing layer of shingles. It avoids tearoff costs ($1.50–$2.50/sq ft) and the mess of disposal, but typically requires a furring-strip (batten) system to create an air gap and prevent trapping moisture against the old shingles. The trade-off: any existing deck damage or rot can't be inspected or repaired without removing both the metal and the shingles later, so if you suspect the decking is compromised, a full tearoff is the safer route. Two existing layers almost always require tearoff. The calculator lets you select no tearoff, one layer, or two.

This is the most common misconception about metal roofing. When installed over a solid deck (OSB or plywood sheathing) with proper underlayment — the standard for a residential roof — a metal roof is no louder than an asphalt shingle roof in the rain. The decking, underlayment, and attic insulation between the panel and the living space absorb virtually all the sound. The 'loud rain' reputation comes from open-frame installations, like agricultural metal buildings with panels screwed directly to purlins and no decking or insulation beneath. On a house with a normal roof assembly, noise is a non-issue.

Often, yes on both counts. Cost vs. Value data shows metal roofs recoup roughly 60–85% of their cost at resale, and homes with metal roofs frequently sell faster because buyers value a roof they won't have to replace. In regions prone to hurricanes, hail, or wildfires, a metal roof can be a real selling point and may reduce homeowners insurance premiums by 10–30% versus asphalt, thanks to its Class 4 impact resistance and Class A fire rating. The value case is strongest in those high-risk markets and for higher-end panel systems; ask your insurer whether a metal roof qualifies for a discount before you buy, since it can meaningfully improve the long-term economics.

Yes, significantly. Metal reflects solar radiant heat rather than absorbing it, which can cut cooling loads by 10–25% in hot climates. 'Cool roof' paint systems (typically Kynar 500/PVDF or SMP finishes) boost that reflectivity further, and lighter colors reflect more heat than dark ones. The actual savings depend on your climate, attic insulation, and color — in hot sun-belt states the annual AC savings can partially offset the higher upfront cost versus asphalt, while in cold climates the benefit is smaller. Metal also sheds snow well and pairs well with solar panels and rainwater collection. If energy efficiency is a priority, ask for a reflective 'cool roof'-rated finish.

Two common worries, both largely unfounded. Modern steel panels are coated with a metallic layer (Galvalume — zinc, aluminum, and silicon — or galvanized zinc) then a baked-on paint system, with quality finishes carrying 30–40 year paint warranties; they resist corrosion for decades. In coastal, high-salt environments, Galvalume or aluminum panels are recommended over standard galvanized, and factory-cut edges should be edge-sealed. As for lightning: a metal roof does not increase the chance of a strike — lightning hits the tallest object regardless of material — and if a strike does occur, the energy disperses through the conductive structure rather than igniting, making metal safer than combustible wood shakes. Both concerns are myths that shouldn't steer your decision.

Stone-coated steel (brands include DECRA and Gerard) is a Galvalume steel base panel coated with an acrylic bonding agent and embedded stone granules, similar to the granules on an asphalt shingle. The result looks nearly identical to clay tile, wood shake, or slate, but at a fraction of the weight and cost, and with the durability of steel — excellent hail and wind resistance. It's a popular way to get the curb appeal of premium tile or shake roofing with metal's longevity and lighter structural load. Installed cost typically runs $10–$16 per square foot, placing it in the mid-to-upper range, between ribbed panels and standing seam. It's a strong choice where appearance matters but a full tile roof's weight or price isn't feasible.