Skip a metal roof if you’ll sell the property within a few years, if the building is near the end of its life, if your HOA or historic district doesn’t allow it, or if you only need to repair part of an existing shingle roof. Metal can also be the wrong fix for a nearly flat roof or a home right on the coast, unless the system is built for it. If you’ll own the property for 15 years or more, metal usually costs less over that time than replacing shingles.
6 cases where a metal roof isn’t the right call
1. You’ll sell within a few years
Metal costs more up front than asphalt shingles. Most of its value comes from lasting 40 years or more with little maintenance, so the payback goes to whoever owns the property in year 15, 20 and 30. If you plan to sell soon, or the budget only covers the lowest price today, a well-installed shingle roof is a reasonable choice. See how the numbers compare.
2. The building is near the end of its life
If a building is slated for demolition, a major renovation or a change of use within a few years, a 40-year roof is money spent on a structure that won’t be around to use it. Repair to bridge the gap, and plan the long-term roof with the new building.
3. Your HOA or historic district doesn’t allow it
Some homeowners associations and historic districts restrict roofing materials, profiles or colors. Ask for the written rule before you collect quotes. Many rules restrict a color or a profile rather than metal itself, so a different panel or finish may still be approved.
4. The roof is nearly flat and the panel isn’t rated for it
Every metal panel has a minimum slope. Exposed-fastener panels typically need about 3:12 (3 inches of rise for every 12 inches across) or more. On flatter roofs, water sits at the laps and screws and finds its way in. Some standing seam systems are rated for much lower slopes. On a truly flat commercial roof, the answer isn’t a panel laid flat: it’s a retrofit system that builds slope over the existing roof.
5. You live right on the coast
Salt air is hard on steel. Many steel panel finishes and warranties exclude buildings very close to saltwater, so coastal homes need a metal and finish rated for marine exposure, such as aluminum, or a different roof. Inland Texas, including New Braunfels and the Hill Country, doesn’t face this problem.
6. You only need to repair part of a shingle roof
If one section of an otherwise sound shingle roof is damaged, putting metal on that section alone leaves a mismatched roof and extra transitions to maintain. Repair it with matching shingles, and consider metal when the whole roof is due.
What shouldn’t stop you
- Rain noise. Over solid decking and underlayment, a metal roof is no louder than other roofs.
- Leaks. Leaks on metal roofs almost always trace back to installation, not the material.
- Lightning. A metal roof doesn’t make a strike more likely, and metal doesn’t burn.
- Hail. Standing seam is widely used in hail country, and many panels carry a Class 4 impact rating. Hail can still leave cosmetic dents, and some Texas policies exclude cosmetic damage on metal roofs, so read that clause first. Here’s how metal roofs affect Texas homeowners insurance.
The one question that decides it
How long will you own the property? If the answer is 15 years or more, a properly installed metal roof usually costs less over that time than replacing shingles, and it may lower your insurance and cooling costs. If it’s under five years, shingles usually make more financial sense. In between, it comes down to budget, insurance and how the roof will look on your home.
Frequently asked questions
Is a metal roof a bad idea in Texas?
No. Heat, hail and long ownership make metal a strong fit for most Texas homes and buildings. The exceptions are a short ownership period, a building near the end of its life, HOA or historic-district limits, coastal salt exposure and roofs too flat for the panel being quoted.
What is the biggest downside of a metal roof?
The upfront cost. Standing seam metal runs about $10 to $16 per square foot installed, against about $4 to $7 for asphalt shingles, and the savings only arrive if you own the property long enough.
Can you put a metal roof on a flat roof?
Not by laying panels flat. A low-slope roof needs a panel rated for that slope, and a truly flat commercial roof is usually converted with a retrofit system that builds slope over the existing roof.
Homeowner? Get a free estimate for your home. We call back within one business day. No pressure, no upsell.
Commercial building or facility? Find out if a standing seam retrofit can go over your existing roof, with no tear-off.