Metal Roof Cost Calculator
Get an instant free estimate for metal roof installation based on panel type, roof size, and pitch.
How is Metal Roof Cost Calculated?
Metal roof cost is calculated primarily by panel type, roof square footage, and pitch. Economy corrugated steel starts around $5–$9 per sq. ft. installed, while premium standing seam runs $12–$18 per sq. ft. Roof pitch adds a labor surcharge of 10–45% for steep slopes, and existing roof tearoff adds $1.50–$2.50 per sq. ft. for removal and disposal.
Estimate Your Project Cost
Roof Location
Choose which state the property is located.
Roof Size
Enter the total roof area in square feet (not home square footage).
Metal Panel Type:
Roof Pitch:
Existing Roof Tearoff:
Additional Services:
Key Factors Influencing Metal Roof Cost
Panel Type and Material
The panel type is the largest single cost driver. Corrugated steel uses exposed fasteners and is the most affordable option, common on agricultural and budget residential projects. Ribbed / R-panel is the industry workhorse for residential re-roofing. Standing seam commands a 60–100% premium over corrugated but delivers concealed fasteners, superior water shedding, and a 50+ year lifespan that eliminates the fastener maintenance cycle.
Roof Pitch and Accessibility
- Low Slope (1–3:12): Walkable without safety equipment. Fastest to install. Requires a low-slope sealant system at all panel laps. Standard base rate applies.
- Medium Slope (4–6:12): The most common residential pitch. Walkable with care. Standard harness system. Adds roughly 10% to labor.
- Steep (7–9:12): Requires full fall-arrest systems and significantly slows panel installation. Adds 25% to labor costs.
- Very Steep (10+:12): Requires scaffolding or roof jacks in addition to harnesses. Panel handling is extremely difficult. Adds 45% to labor costs.
Metal Roof Cost by Panel Type (2026)
| Panel Type | Installed Cost / Sq. Ft. | Lifespan | Best For |
|---|---|---|---|
| Corrugated Steel | $5 – $9 | 40–60 years | Budget, barns, outbuildings |
| Ribbed / R-Panel | $7 – $12 | 40–70 years | Residential re-roofing, commercial |
| Metal Tile / Shake | $9 – $14 | 40–50 years | Traditional curb appeal |
| Stone-Coated Steel | $10 – $16 | 40–70 years | Tile/shake look, hail resistance |
| Standing Seam | $12 – $20 | 50+ years | Premium, low maintenance, modern |
Additional Service Costs
| Service | Estimated Cost | Why It Costs Extra |
|---|---|---|
| Tearoff (1 Layer) | $1.00 – $2.00 / sq. ft. | Removing shingles, nails, felt paper, and dumpster disposal. |
| Tearoff (2 Layers) | $2.00 – $3.00 / sq. ft. | Double weight of debris; more labor; often requires deck inspection. |
| Premium Underlayment | $0.50 – $1.00 / sq. ft. | Self-adhering or synthetic peel-and-stick vs. standard felt paper. |
| Snow Guards | $0.35 – $0.65 / sq. ft. | Metal tabs/bars that prevent sudden snow slides off slick metal panels. |
How to Estimate Metal Roof Cost Manually
If you cannot use the calculator above, follow these 4 steps to get a baseline estimate:
Step 1: Measure Your Roof Area
Measure the ground-level footprint of your home (length × width). Then multiply by a pitch factor to get actual roof surface area: low pitch × 1.07, medium pitch × 1.17, steep × 1.30, very steep × 1.50. A 1,500 sq. ft. ranch home with a medium pitch has roughly 1,755 sq. ft. of actual roof surface.
Step 2: Choose Your Metal Panel Type
Each panel type has a different installed cost per sq. ft.: Corrugated Steel ($5–$9), Ribbed / R-Panel ($7–$11), Metal Tile / Shake ($9–$13), Stone-Coated Steel ($10–$15), Standing Seam ($12–$18). Standing seam has concealed fasteners and lasts 50+ years — it commands a premium.
Step 3: Assess Pitch, Stories, and Tearoff
Steep roofs (7:12 and above) require fall-arrest systems and slow labor significantly. Add 25–45% to base labor for steep and very steep pitches. Multi-story homes add a 10–25% safety and staging surcharge. If an existing roof is present, tearoff adds $1.50–$2.50 per sq. ft. for removal and debris disposal.
Step 4: Apply the Formula
Use this formula to estimate your project cost:
Roof Sq. Ft. × Base Rate × Pitch Factor × Stories Factor + Tearoff Cost + Extras = Total
Example: 1,800 sq. ft. ribbed panel roof, medium pitch, 1 story, no tearoff: 1,800 × $8.00 × 1.10 × 1.00 = $15,840.
Frequently Asked Questions
How long does a metal roof last?
Metal roofs are renowned for their longevity. Corrugated and ribbed steel roofs typically last 40–70 years with proper maintenance. Standing seam roofs 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. The longer lifespan means a metal roof often costs less over the lifetime of the home.
Is a metal roof noisy in the rain?
This is the most common misconception about metal roofing. When installed over a solid deck (OSB or plywood sheathing) with a proper underlayment, a metal roof is no louder than an asphalt shingle roof during rain. The insulating layers between the metal panel and the living space absorb virtually all sound. Open-frame installations (like agricultural metal buildings with no insulation or decking) are the source of the 'loud rain' reputation.
What is the difference between standing seam and corrugated metal?
Corrugated metal uses exposed fasteners (screws through the panel face that are visible and must be maintained to prevent leaks). Standing seam uses concealed fasteners hidden beneath interlocking panel seams — this eliminates the primary leak point of exposed fasteners and creates a cleaner, more modern look. Standing seam costs roughly 60–80% more than corrugated but requires virtually no fastener maintenance and performs better in high-wind and heavy-snow environments.
Can metal roofing be installed over existing shingles?
Yes, in most cases. Installing metal over existing shingles (an 'overlay' or 'recover') is permitted by most building codes when there is only one existing layer of shingles. This avoids tearoff costs ($1.50–$2.50 per sq. ft.) but requires a furring strip system (battens) to provide an air gap and prevent moisture trapping. The downside is that any existing deck damage cannot be inspected or repaired without removing both the metal and shingles.
Does a metal roof increase home value?
Yes. Studies by the Metal Roofing Alliance and Remodeling Magazine's Cost vs. Value report show metal roofs recoup 60–85% of their cost at resale, and homes with metal roofs often sell faster. In markets prone to hurricanes, hail, or wildfires, a metal roof can be a significant selling point and may reduce homeowners insurance premiums by 10–30% compared to asphalt shingles.
Is a metal roof energy efficient?
Yes, significantly so. Metal roofing reflects solar radiant heat rather than absorbing it, reducing cooling loads by 10–25% in hot climates. 'Cool roof' coatings (typically a Kynar 500 or SMP paint system) enhance this reflectivity further. The energy savings vary by climate, attic insulation levels, and color — lighter colors reflect more heat. In hot sun-belt states, the annual AC savings can partially offset the higher upfront cost versus asphalt.
Will a metal roof attract lightning?
No. This is a persistent myth. Metal is an electrical conductor, but a metal roof does not increase the likelihood of a lightning strike — lightning strikes the tallest object in an area, regardless of material. If lightning does strike a metal roof, the energy disperses quickly through the structure rather than causing a fire, making metal roofs actually safer than combustible materials like wood shakes in a lightning event.
Can a metal roof be walked on?
Yes, but with care. Most metal roofing systems can be walked on for maintenance and inspection, but proper technique is required to avoid denting or scratching the panels. Standing seam is the most walk-friendly system as workers step on the panel ribs. Corrugated and ribbed panels require walking in the flat valleys. Stone-coated steel can be walked on like tile. Always use soft-soled shoes and avoid stepping near panel edges or fasteners.
Do metal roofs rust?
Modern metal roofing is engineered to resist corrosion. Steel panels are coated with a metallic layer (Galvalume — an alloy of zinc, aluminum, and silicon — or galvanized zinc) then topped with a baked-on paint system. Quality systems carry 30–40 year paint warranties. In coastal environments with high salt-air exposure, Galvalume steel or aluminum panels are recommended over standard galvanized steel. Cut edges at the factory must be treated with edge seal to prevent oxidation at the cut point.
What is stone-coated steel roofing?
Stone-coated steel (brands include DECRA and Gerard) consists of a Galvalume steel base panel coated with an acrylic bonding agent and embedded stone granules (similar to asphalt shingle granules). The result looks nearly identical to clay tile, wood shake, or slate at a fraction of the weight and cost. It carries the durability of steel (hail and wind resistance) with the curb appeal of premium roofing materials. Installed cost typically runs $10–$16 per sq. ft.