Materials / Metal Shingle
Metal Shingle
UL 2218 Class 4Individual interlocking metal shingles, usually aluminum or steel, stamped to resemble slate, shake, or tile. A concealed-fastener steep-slope metal system lighter than the profiles it imitates.
Category family
metal
Typical lifespan
40–70 years
Typical wind resistance
rated assemblies commonly to 120 mph
Typical fire rating
Class A
Max impact class
UL 2218 Class 4Weight per square
40–135 lbs
Cost band
$$$
Slope suitability
steep
Typical warranty
30–50 years
Pros
- concealed fasteners and interlocking edges
- very light, often installable over existing roofs
- many pass UL 2218 Class 4
- long service life
Cons
- higher material cost than asphalt
- aluminum can dent from severe hail
- specialized installation
Colorado notes
- hail_performance: Class 4 metal shingles resist cracking; softer aluminum can still show cosmetic hail dimples
- altitude_uv: PVDF and coil coatings hold color under intense Colorado sun
Sources
- metalroofing.com verified 2026-07-12