Comparison
Metal vs. Asphalt Shingle in the Mountains
Metal costs roughly twice as much and lasts two to three times as long. Whether that is a good trade is a question about you, not about the roof.
| Architectural shingle | Standing seam metal | |
|---|---|---|
| Installed, per square | $450 – $800 | $1,000 – $1,800 |
| Realistic life here | 18 – 25 years | 40 – 60+ years |
| Replacements in 50 years | Two, sometimes three | None |
| Maintenance | Moss and algae in shade, granule loss | Essentially none |
| Snow | Holds it; ice dams a real risk | Sheds it; needs snow guards |
| Solar mounting | Penetrates the roof | Clamps to the seam, no penetration |
| Install disruption | 1 – 2 days | 2 – 5 days |
The arithmetic over fifty years
Take a 24-square roof. Architectural shingle at the middle of its range costs somewhere around $15,000, and in this climate you will buy it two or three times across fifty years. Standing seam at the middle of its range costs somewhere around $33,000, once.
On that basis metal wins clearly, and it wins by more if you count the disruption and the risk of a failing roof between replacements. But it only wins if you are the one still standing there.
When shingle is the better decision
- You are selling within about five years. You will not recover the premium in full.
- The budget is the binding constraint. A good architectural shingle roof installed properly beats a cheap metal roof installed badly, every time.
- It is a rental or an investment property where the holding period is short and the maintenance is priced in.
- A covenant or a historic review will not accept metal in a form you like.
When metal clearly wins here
- You are staying. This is the whole case, and it is a strong one.
- Steep pitch. Metal sheds water and snow well, and re-roofing a steep roof twice more is expensive and miserable.
- Heavy tree cover. Shingle in shade grows moss and algae and fails early. Metal does not host either.
- Low-slope porch or addition roofs. Shingle should not be there at all; mechanically-seamed metal is rated for it.
- Solar in your plans. Clamp-on mounting with no penetrations is a genuine advantage.
- A second home you visit rarely. A roof needing no attention for decades is worth more when nobody is there to notice a problem.
The honest summary
If you plan to be in the house in fifteen years, metal is very likely the better decision on cost alone, before any of the other advantages. If you do not, buy a good shingle roof from a good roofer and spend the difference on something else.
Run the three questions for a metal number on your own roof, then compare it against a shingle quote with the same tear-off and decking terms. That is the only comparison worth making.
Common questions
Does a metal roof add resale value?+
It helps, and it rarely returns the full premium at sale. A buyer values a roof they will not have to replace, but they do not usually pay the whole difference. If you are selling within a few years, the honest answer is that architectural shingle is the better financial decision — which is not what a roofing site is supposed to say.
Is metal really cooler in summer?+
A reflective coated metal roof reflects more solar radiation than dark asphalt, and homeowners often report a difference. How much it shows on a power bill depends far more on your attic insulation and ventilation than on the roof surface. Treat cooling savings as a bonus rather than a reason to buy.
What about hail?+
Metal generally survives hail structurally where asphalt loses granules and life. It can dent cosmetically, especially in thinner gauges and on softer aluminum. Ask about the impact rating and be clear with your insurer about how cosmetic denting is treated in your policy — some exclude it.
Can I put metal over my existing shingles?+
Sometimes permitted, rarely wise. You cannot inspect the decking, you cannot correct a bad valley detail, and most codes cap total layers. On a roof you intend to keep for fifty years, saving a few hundred dollars on tear-off is a poor trade.