Asphalt vs. Metal vs. Tile Roofing: How to Compare Materials

Asphalt shingles, metal, and tile are the three dominant roofing materials on residential homes in the U.S., and each is built, installed, and tested differently. The most useful way to compare them isn't marketing claims — it's the actual construction of the product and the independent test standards each one is rated against. IBHS, the Insurance Institute for Business & Home Safety (an insurance-industry research organization that studies how buildings hold up in severe weather), publishes detailed technical breakdowns of all three systems. This guide draws on that material, plus manufacturer technical documentation from GAF and energy-performance data from the EPA, to lay out what actually differs between the three.

Asphalt shingles are built from a petroleum-based product — as opposed to tar, which is coal- or wood-derived — combined into a layered product. According to IBHS, a shingle is built from granules that protect the fiberglass base from UV rays, an oxidized asphalt layer that acts as the water barrier, a fiberglass base mat, and a sealant adhesive that activates under the heat of the sun to self-seal the shingles together.

There are three common grades: three-tab shingles (a single layer with a simple tab cutout), architectural shingles (a thicker, double-ply overlay — the most common residential choice today), and designer shingles, which use additional layers to mimic the look of slate or wood shake. Installation matters as much as the product: IBHS notes that shingles require a minimum of four nails per full-size shingle strip, and that the self-sealing adhesive strip needs sustained warmth to bond — manufacturers generally specify temperatures between 70°F and 80°F for sealing, with sealing below 40°F unreliable. A roof installed in cold weather may need hand-sealing to compensate, which is a legitimate question to ask a contractor about timing.

Product lifespans vary significantly by grade. Architectural (laminated) shingles are built with more layers than entry-level three-tab shingles and generally outlast them, while premium designer lines — which add further layers to mimic slate or wood shake — carry the longest manufacturer warranties of any asphalt product. Actual lifespan depends heavily on climate, ventilation, and installation quality, so treat any manufacturer-stated lifespan as an expected performance range rather than a guarantee, and confirm the specific warranty term for the product line you're quoted.

Metal roofing covers a wider range of products than most homeowners realize. IBHS identifies steel as the most common metal roofing material because of its high strength, low weight, and long-term durability, typically applied with a galvanized or galvalume coating on both sides to resist corrosion. Aluminum is the standard choice in coastal and marine environments for its corrosion resistance, while copper and zinc are chosen mainly for appearance — both develop a protective patina over time.

Metal systems split into two installation families. Continuous panel systems run in 24- to 36-inch-wide panels from eave to ridge, either with exposed fasteners (5-V, rib, and tile-profile panels) or concealed fasteners (standing seam and snap-lock systems, generally considered the higher-performance, longer-lifespan option because there are no exposed fastener penetrations to fail over time). Discontinuous systems — stone-coated metal shingles or panels styled to resemble tile or wood shake — overlap like traditional shingles instead of running in continuous sheets.

Slope requirements differ meaningfully by system. IBHS notes exposed-fastener panels generally need at least a 3:12 pitch without sealant, or 0.5:12 with lap sealant, while standing-seam systems can go as low as a 2% slope. This is one reason standing-seam metal is the default choice on very low-slope residential additions where shingles or tile aren't viable.

Tile is generally categorized by profile height. IBHS describes low-profile tile (flat clay, concrete, or slate, with up to a ½-inch rise), medium-profile (double-roll tile), and high-profile tile (s-shaped Spanish tile or barrel tile). Concrete tile is molded from sand, cement, and water under heat and pressure; clay tile is baked, molded terra cotta or ceramic — the two look similar but have different weight and cost profiles.

Modern installation uses one of two methods: battened installation, where 2x2 wood or composite battens are fastened over the underlayment before tiles are hung, or direct-to-deck installation, where tiles are fastened straight through the underlayment into the deck. IBHS notes that older adhesive-set methods were phased out after 2002 in favor of mechanical fastening with nails or screws to meet modern code requirements — a relevant question to ask if you're buying a home with an older tile roof, since adhesive-set tile is more vulnerable to wind uplift.

Tile's main practical trade-off versus asphalt and metal is weight: a full tile roof is substantially heavier per square foot, which means older homes sometimes need structural evaluation before a tile re-roof is approved.

Every roofing material sold in the U.S. is wind-rated against a published test standard, and the standard used differs by material. For asphalt shingles, IBHS describes two primary tests: ASTM D3161, which places a shingle panel in front of a fan jet subjected to continuous wind at a given speed for two hours, rating shingles Class A (60 mph), Class D (90 mph), or Class F (110 mph); and ASTM D7158, a two-part test combining a lower-speed wind-flow test with a mechanical uplift measurement of the sealant strip itself.

Metal roofing is tested differently: UL 580 is an uplift-resistance test that subjects a roof assembly to both constant and oscillating pressure, yielding Class 30, 60, or 90 ratings tied to maximum static uplift pressure. UL 1897 separately tests how well the roof covering is attached to the deck, pressurizing the assembly until it fails and reporting the load sustained in pounds per square foot.

Tile uses its own standards: ASTM C1568 measures the mechanical uplift resistance capacity of a tile, while ASTM C1569 is a complementary wind-tunnel test for non-rigid tile. The takeaway for homeowners: a wind rating on one material's label isn't directly comparable to a wind rating on another material's label, because the underlying test methodology is different. Ask your contractor which standard a specific product was rated against, not just the headline number.

Hail testing is more consistent across materials. Asphalt, metal, and tile are all commonly rated under UL 2218 and/or FM 4473, which both drop steel or ice balls of a fixed size from a fixed height to replicate the kinetic energy of real hailstones, producing Class 1 through Class 4 ratings for ball diameters from 1.25 to 2.00 inches. A product passes a given class if no crack is visible on the back of the material after two impacts. Class 4 is the highest commonly available rating and is what most insurers mean by an 'impact-resistant' roof, which can qualify for a homeowners insurance premium discount in hail-prone states — worth asking your insurance agent about directly, since IBHS itself does not set insurance pricing.

IBHS also runs its own hail-impact testing using lab-manufactured hailstones engineered to match the density, hardness, and terminal velocity of real hail, evaluating three separate damage modes: deformation, granule loss, and full breaches — a more granular assessment than the simple pass/fail crack test used in UL 2218.

Material choice affects cooling costs more than most homeowners expect, largely through solar reflectance rather than the base material itself. The EPA reports that a cool roof's solar reflectance can reduce peak cooling demand by 11–27% in air-conditioned homes, and that in homes without air conditioning, a reflective roof can lower maximum indoor temperatures by 1.2–3.3°C (2.2 to 5.9°F) compared with a standard dark roof.

All three materials — asphalt, metal, and tile — are available in reflective, 'cool roof' rated versions. The EPA specifically lists asphalt shingles, roofing tile, metal shingles with reflective coatings, and naturally cool wood shingles among steep-slope cool roof products. Reflective pigment technology does cost more than a conventional pigment of the same material — the EPA notes reflective-pigment products tend to cost more than products with conventional pigments — but it means the choice between asphalt, metal, and tile does not have to be a trade-off against energy performance, especially in hot, sunny climates where cool roofs deliver the largest savings.

There is no universally 'best' material — the right choice depends on your roof's pitch, your local wind and hail exposure, your budget, and how long you plan to own the home. Asphalt shingles remain the default for most residential re-roofs because of cost and installation speed. Metal, particularly standing-seam, tends to win on very low-slope sections and on longevity. Tile wins on appearance and lifespan in climates that suit its weight and cost, but requires a structural check on older homes. Whichever material you're considering, ask your contractor for the specific wind and hail test rating (and the standard it was tested under) for the exact product line quoted — not just the material category.