Tin roofing usually costs more upfront but lasts longer, so the real comparison depends on how long you plan to stay in the house

A tin roof (actually steel or aluminum, not tin) costs between $7 and $12 per square foot installed, while asphalt shingles run $3 to $5 per square foot. On a 2,000-square-foot roof, that means $14,000 to $24,000 for metal versus $6,000 to $10,000 for shingles. Metal wins on longevity — it lasts 40 to 70 years — but shingles last 15 to 25 years and cost less to replace. The break-even point is usually around 20 to 30 years, depending on local labor costs and the specific materials you choose.

This is not a straightforward cheaper-or-not answer because the math changes based on your timeline. If you are selling in 10 years, shingles make financial sense. If you are staying 40 years, metal usually comes out ahead even with the higher starting price.

Key Takeaways

  • Metal roofing costs roughly double per square foot upfront but lasts 40 to 70 years, while asphalt shingles cost less initially but need replacement every 15 to 25 years.
  • On a typical house, metal runs $14,000 to $24,000 installed; shingles run $6,000 to $10,000, a difference of $8,000 to $14,000 at installation.
  • Metal roofs recoup their cost difference through avoided replacement cycles if you stay in the house 20 to 30 years or longer.
  • Maintenance costs differ: metal requires occasional fastener checks and sealant reapplication; shingles need moss removal and spot repairs more frequently.
  • Local labor rates, your climate, and whether you plan to sell or stay determine which option actually saves money in your situation.

How installation costs break down by material

Metal roofing material itself costs $5 to $10 per square foot, and labor adds $2 to $5 per square foot depending on roof pitch and local wages. Asphalt shingles cost $1.50 to $3 per square foot in materials, with labor at $1.50 to $2.50 per square foot. These ranges vary significantly by region — labor in urban areas runs higher than rural areas, and some states have higher prevailing wage requirements for roofing work.

The total installed price also depends on whether your roof needs structural repairs, how steep the pitch is, and whether the old roof needs removal. Removing an old shingle roof costs $1 to $2 per square foot; removing metal is similar. If your roof deck is damaged, that repair cost applies to either material, so it does not change the comparison.

Lifespan and replacement cycles

Asphalt shingles typically last 15 to 25 years in most climates. In hot, sunny regions they degrade faster — sometimes 12 to 15 years. In cooler climates they may stretch to 25 years. Metal roofs last 40 to 70 years depending on the metal type (aluminum lasts longer than steel in wet climates) and how well fasteners are maintained.

This means a metal roof installed today will likely outlast two or three shingle replacements. If you stay in the house 50 years, you will replace shingles three times at roughly $6,000 to $10,000 each, totaling $18,000 to $30,000 in replacement costs alone. A metal roof installed once costs $14,000 to $24,000 total. The metal roof saves money over that timeline, but only if you are there to benefit from it.

Maintenance costs and what they cover

Metal roofs require less frequent maintenance but specific kinds. Fasteners (screws) can loosen over time and need tightening every 5 to 10 years — a contractor visit costs $300 to $800. Sealant around fasteners degrades and should be reapplied every 10 to 15 years for $500 to $1,500. Rust is rare on quality metal but can occur at cut edges or if fasteners corrode; spot treatment runs $200 to $600.

Asphalt shingles need moss and algae removal in damp climates every 3 to 5 years ($300 to $800), occasional flashing repairs ($200 to $500), and spot shingle replacement when wind or hail damage occurs ($100 to $400 per damaged section). Over a 25-year lifespan, these repairs add up to $2,000 to $4,000. Metal maintenance over the same period typically costs $1,500 to $3,000, so the difference is modest.

When shingles make more financial sense

If you plan to sell within 10 to 15 years, shingles are the lower-cost choice. You will not recoup the metal roof premium before you leave, and buyers do not always value the longer lifespan enough to pay extra for it. A new shingle roof is cheaper to install and meets buyer expectations, so it is the practical choice for a shorter holding period.

Shingles also make sense if your budget is tight right now. The lower upfront cost means you can roof the house and put money toward other repairs. Metal roofing is a long-term investment that requires you to have capital available today.

When metal roofing makes more financial sense

Metal roofing becomes the better investment if you plan to stay 25 years or longer, or if you own a rental property where you want to minimize maintenance calls. The longer lifespan means fewer tenant disruptions and fewer emergency repair bills. On a rental, the tax deduction for a 40-year asset also differs from a 20-year asset, though you should discuss depreciation with an accountant.

Metal also makes sense if your climate is harsh — high winds, hail, or salt spray from coastal areas. Metal handles these conditions better than shingles, and the durability premium pays for itself through avoided storm damage and premature replacement. In areas with frequent severe weather, metal roofs may also may have access to for insurance discounts that shingles do not.

Regional cost variations and labor availability

Metal roofing installation costs vary more by region than shingle installation because fewer contractors specialize in it. In areas with limited metal roofing contractors, labor costs run higher and timelines stretch longer. Shingle installation is more standardized, so prices are more consistent across regions.

Some states and municipalities offer tax credits or rebates for metal roofing because it reflects heat and reduces cooling costs, but these programs change year to year. Check your state's energy office or your local utility company to see what incentives exist in your area. These credits can reduce the effective upfront cost by $500 to $2,000, which narrows the gap with shingles.

Frequently Asked Questions

Does a metal roof really save money on energy bills?

Metal roofs reflect more sunlight than dark shingles, which can reduce cooling costs by 10 to 25 percent in hot climates. In cold climates the savings are minimal because heating costs dominate. The energy savings are real but modest — typically $200 to $600 per year in a hot climate. Over 40 years that adds up, but it is not the main reason to choose metal for cost reasons.

What if I only replace part of my roof?

Partial replacement works for shingles because you can match the existing material and color reasonably well. Metal roofing is harder to patch because panels are custom-cut and colors fade over time. Most metal roof repairs involve replacing a full section, which costs more than a shingle patch. If your roof is mostly sound, shingles are more practical for spot repairs.

Do metal roofs require a stronger roof structure?

Metal roofing weighs 1 to 3 pounds per square foot, while asphalt shingles weigh 2 to 4 pounds per square foot. Metal is actually lighter in most cases, so structural reinforcement is rarely needed. Your contractor will inspect the roof deck during the estimate and let you know if any framing work is required, but this is uncommon.

Can I install metal roofing over existing shingles?

Yes, metal can be installed over shingles in most cases, which saves the removal cost of $1 to $2 per square foot. However, the shingles underneath will trap moisture and degrade faster, potentially voiding the metal roof warranty. Most contractors recommend removing old shingles first, even though it costs more upfront.

What is the actual cost difference on my house?

Get written estimates from at least two roofing contractors for both materials. Prices vary by local labor rates, roof complexity, and current material costs. A contractor can also tell you whether your roof structure needs work and whether local incentives explore to your situation — these factors change the real cost difference significantly.