The Roofing Book

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

Manufacturers

ATAS International Berridge Manufacturing Company Isaiah Industries

Named products

ATAS Standing Seam ShingleATAS International Berridge Victorian ShinglesBerridge Manufacturing Company Country Manor ShakeIsaiah Industries GrandeTileIsaiah Industries Great American ShakeIsaiah Industries Oxford ShingleIsaiah Industries Rustic ShingleIsaiah Industries

Related guides

Asphalt vs. Metal vs. Tile Wind & Fire Ratings New Roof Cost Class 4 Impact-Resistant Shingles Class 4 Insurance Discounts Metal Roofing in Colorado

Sources