Materials / Standing-Seam Metal Roof

Standing-Seam Metal Roof

UL 2218 Class 4

Interlocking vertical metal panels with concealed fasteners and raised seams, typically steel or aluminum. A premium, long-life steep-slope and low-slope system.

Category family

metal

Typical lifespan

40–70 years

Typical wind resistance

rated assemblies commonly to 140+ mph

Typical fire rating

Class A

Max impact class

UL 2218 Class 4

Weight per square

50–150 lbs

Cost band

$$$$

Slope suitability

both

Typical warranty

30–50 years

Pros

very long service life
excellent wind and fire performance
recyclable
sheds snow and resists ignition

Cons

high installed cost
can dent from large hail
requires skilled installers
oil-canning aesthetics on flat pans

Colorado notes

hail_performance: resists puncture but large Front Range hail can cosmetically dent panels
altitude_uv: durable coatings (PVDF) hold color under intense high-altitude UV

Sources

metalroofing.com verified 2026-07-11

Standing-Seam Metal Roof

Manufacturers

Named products

Related guides

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