Metal roof vs Class 4 shingles in Colorado
We match homeowners with metal roofing professionals, so treat this page with appropriate suspicion and then read it anyway, because on a short ownership horizon Class 4 shingles are often the better call and pretending otherwise would not help you.
They earn the same rating, and usually the same credit
UL 2218 is a material-agnostic impact test. A Class 4 asphalt shingle and a Class 4 metal system both passed the same test. Carrier impact-resistant credits are priced on the class, not the material, so for the insurance conversation they are typically equivalent. Confirm with your own carrier, because it is their program.
That single fact removes the argument most metal roofing marketing leans on. The credit is not a reason to choose metal over Class 4 shingles.
Where Class 4 shingles win
- Up-front cost. Substantially less, which matters most when you are covering the gap between an insurance settlement and an upgrade.
- Short ownership horizon. If you are selling within a few years, you get the rating and the credit without paying for decades of service life you will not collect.
- Covenant simplicity. Nobody's HOA has ever objected to architectural shingles.
- Crew availability. Every roofer installs them, which shortens lead times and widens your choice of contractor.
Where metal wins
- Replacement cycles. The real argument. In a hail belt the asphalt roof is not a one-time cost, and if you have already made more than one claim you have your own evidence for that.
- Granule loss. An asphalt shingle's impact resistance depends on a mat and a granule surface that age. Metal does not shed granules.
- Fire, at the interface. Where housing meets forest and grassland, a Class A rated metal assembly addresses the largest ember-exposed surface. See foothills and wildland interface homes.
- Snow shed. On the western edge of the corridor metal sheds rather than accumulating, provided retention is designed where it needs to be.
The honest decision rule
Ask how long you intend to own the house, and how many roofs you have already put on it. Short horizon, first roof: Class 4 shingles are the rational choice. Long horizon, or a second or third claim on the same roof, or an interface property: metal starts winning, and the longer you stay the more decisively.
One thing to check either way, because it applies to both: whether the contractor quoting you holds whatever your jurisdiction requires. See how to check a Colorado roofer, and the Colorado Metal Roofing Guide for the full picture.
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Questions homeowners ask
- Do Class 4 shingles earn the same insurance credit as metal?
- Generally yes. Carrier credits are priced on the UL 2218 impact class, not on the material, so a Class 4 asphalt shingle and a Class 4 metal system are usually treated the same for the credit. Confirm with your own carrier.
- Then why pay more for metal?
- Service life. The credit is the same; the number of times you do this again is not. In a hail belt that difference compounds.
- Which is better if I am selling in three years?
- Honestly, Class 4 shingles are the rational choice on a short horizon. You get the impact rating and the credit without paying for durability you will not be around to collect.
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