Roofing fundamentals
Asphalt vs Metal Roofing in Colorado
The asphalt versus metal question comes up on roughly half our consultations. Here is the honest comparison for a Front Range home, including the Class 4 economics that have reshaped the asphalt market and the snow-shedding and longevity advantages that justify metal in mountain and foothill applications.
Cost
Architectural Class 3 asphalt is the cheapest mainstream option at $550 to $700 per square installed, or roughly $13,000 to $20,000 on an average Colorado home (about 26 squares with pitch). Class 4 impact-resistant asphalt runs $650 to $900 per square installed, $50 to $150 per square (about $1,000 to $3,000 total) more than Class 3.
Standing seam metal: $1,275 to $1,800 per square installed; $25,000 to $55,000 on an average Front Range home, $35,000 to $60,000 plus on mountain homes with steep pitches and snow-load engineering. Stone-coated steel (DECRA, Boral and Westlake, EDCO): $1,275 to $2,200 per square installed; $35,000 to $60,000 typical.
Longevity
Architectural Class 3 asphalt: 18 to 25 years on the Front Range. Class 4 impact-resistant asphalt: 25 to 35 years (SBS-modified products like Malarkey Vista, Legacy, and Highlander NEX or CertainTeed NorthGate ClimateFlex consistently outperform mesh-scrim products like Owens Corning Duration Storm in real Colorado hailstorms).
Standing seam metal: 40 to 70 years on a properly installed system. Stone-coated steel: 40 to 60 years with transferable 50-year warranties. The metal premium amortizes over a much longer horizon, especially when you factor insurance discounts and hail-cycle claim costs.
Hail performance
Class 4 SBS-modified asphalt: absorbs hail energy and bounces back rather than cracking. The 2025 IBHS Hail Impact-Resistant Shingle Ratings (4th edition, covering about 95 percent of the IR-shingle market) rated 18 of 24 products Good; no product earned Excellent. SBS construction generally outperforms mesh-scrim in real-world Colorado hail above 1.75 inches.
Class 4 mesh-scrim asphalt: prevents through-cracking but does not prevent surface bruising and granule loss above 1.75-inch hail. Performance against severe hail is mixed.
Standing seam and stone-coated metal: rarely fails functionally. Standing seam can dent cosmetically on bare-metal panels; stone-coated profiles hide minor dents. Cosmetic-damage exclusions in some Colorado policies can deny payment for hail dents on metal panels that are not leaking. Read your policy.
Stone-coated steel manufacturer warranties typically cover hail penetration up to 2.5 inches.
Insurance treatment
Class 4 (UL 2218) earns 10 to 35 percent dwelling-premium discounts from State Farm, USAA, Farmers, Allstate, American Family, and Safeco. Colorado homeowners report average savings near 28 percent (around $863 per year). The discount typically pays back the $1,000 to $3,000 upgrade in 2 to 4 years. Larimer County and Fort Collins push Class 4 through code preferences.
Metal roofs (any type) are typically preferred by Colorado carriers; common premium discounts; longer RCV; some carriers offer up to 35 percent credits on full systems. Cosmetic-damage exclusions are more common on bare-metal panels than on stone-coated systems.
Document the Class 4 certification immediately and confirm the discount in writing with your agent. Send the manufacturer UL 2218 certificate (with the property address, shingle product, and installation date) to the agent and request a re-rate.
Snow and wind
Standing seam metal sheds snow predictably. Asphalt holds it. Foothill and mountain homes with metal roofs need engineered snow retention (Rocky Mountain Snow Guards, S-5! ColorGard) above entries, walkways, and driveways. Five Coloradans have died in roof avalanches in the past 30 years. Snow-retention systems typically add $1,500 to $3,000.
Wind ratings: Class 4 SBS-modified architectural shingles handle 110 to 150 mph (specify ASTM D7158 Class H, 150 mph, in chinook-exposed areas). Standing seam metal: 110 to 140 mph warranties. Stone-coated steel: 120 mph plus warranty. Boulder, Golden, the foothills, and the Palmer Divide regularly see 60 to 80 mph sustained winds with gusts above 100 mph (the historic January 1982 Chinook event recorded 137 mph at NCAR).
When metal is the right answer
Mountain homes (Summit, Eagle, Pitkin, Routt, Grand, Gilpin, Clear Creek counties) where snow load and UV dominate. Modern Front Range custom homes where the design language calls for it. Wildland-Urban Interface and foothill homes that need Class A fire plus 110 mph wind plus long service life. Homeowners staying 20 plus years who want to amortize the upfront premium over the longest practical horizon.
When Class 4 SBS asphalt is the right answer
Most Front Range single-family homes. The combination of Class 4 hail performance, Class A fire, 25 to 35 year lifespan, 10 to 35 percent insurance discount, and HOA acceptance makes Class 4 SBS-modified asphalt the cheapest Colorado roof per useful year for most homes. Resist contractor pitches for free upgrades to mesh-scrim Class 4 products. Confirm the shingle is true SBS-modified.