Materials / Metal Shingle

Metal Shingle

UL 2218 Class 4

Individual 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 4
Weight 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