Roofing materials, honestly compared

There is no best roofing material. There is only the right trade-off for your house, your climate and how long you plan to stay. Here is what each one is genuinely good and bad at — and, just as important, the three things about your particular house that quietly narrow the list before preference ever gets a vote.

Asphalt shingle

The default in North America for good reasons: lowest installed cost, every crew knows how to install it, repairs are easy and cheap, and modern architectural shingles look considerably better than the old three-tab.

The trade-off is lifespan. Expect roughly 20 to 30 years depending on ventilation and sun exposure, and less in a hot climate with a poorly vented attic.

Within asphalt there is a second decision most homeowners never get offered. Three-tab is the thin, flat, older-looking product. Architectural shingles — sometimes called dimensional or laminate — are thicker, heavier and carry a longer expected service life. There are also impact-rated shingles built to take hail without shedding granules. The gap in installed cost between three-tab and architectural is usually small enough that architectural is worth asking for by name.

Asphalt's most underrated advantage is boring: when something goes wrong in year twelve, any roofer in your area can fix it next week with material off the shelf. That is not true of everything else on this list.

Standing seam metal

Costs meaningfully more up front and outlives two asphalt roofs. Sheds snow well, handles wind well, and carries no granules to lose.

Whether the maths works depends entirely on your timeline. Staying twenty-plus years, it often does. Selling in five, you will not recover the premium — and a good roofer will tell you that rather than let you buy the bigger ticket.

It is worth separating standing seam from the metal panels you see on agricultural buildings. Standing seam hides its fasteners inside the seam, which is a large part of why it stays watertight for decades. Exposed-fastener panels rely on a rubber washer at every screw, and those washers are the part that ages first. Both get called a metal roof in a sales conversation, and they are not the same product or the same price.

Metal also changes how the roof behaves, not just how long it lasts. It sheds snow in sheets, which is an advantage on the roof and a consideration for whatever sits below the eave — a walkway, a deck or a driveway may want snow guards. It reflects more solar energy than a dark asphalt roof, which matters more in a cooling-dominated climate than a heating-dominated one.

Tile, clay and concrete

Extremely long-lived and well suited to hot, dry climates. The constraint is weight: tile is heavy enough that your structure may need evaluation before it can carry it. Individual tiles break underfoot, which makes future work on the roof more delicate and more expensive.

Clay and concrete are not interchangeable, though quotes often treat them as though they are. Both are heavy and long-lived. Concrete is generally the less expensive of the two and weathers differently over time.

In either case the tiles themselves routinely outlast the underlayment beneath them. That means a mid-life job where the tiles are lifted, the underlayment is replaced and the same tiles go back down is a normal part of owning a tile roof rather than a sign something failed. Budget for it as maintenance, not as a disaster.

Wood shake

Beautiful, and a genuine ongoing commitment. Requires maintenance, is restricted or banned outright in many fire-prone jurisdictions, and costs considerably more to install well. Choose it because you want it, not because you expect it to be practical.

If you are anywhere with wildfire exposure, check what your jurisdiction allows and what your insurer will write before you fall in love with it. Those are two separate gates and either one can close on its own.

Synthetic and composite shingles

A newer category worth knowing exists: moulded polymer products designed to imitate slate or shake at a fraction of the weight. They sidestep tile's structural problem and wood's fire problem, and they generally carry long manufacturer warranties.

The honest caveat is track record. These products have a shorter real-world history than asphalt or metal, and the category varies widely from one product to the next. If you go this route, weight the installer's hands-on experience with that specific product heavily — it is not something every crew has put on a roof before.

What your roof's pitch and shape will allow

Before preference gets a say, the roof itself removes options. Pitch is the first filter. Asphalt shingles are a water-shedding product rather than a waterproof membrane, so they need enough slope for water to leave quickly. Roughly speaking, below about a 2-in-12 pitch they are not the right product at all, and on shallow pitches above that they need a more involved underlayment to be appropriate. A genuinely low-slope or flat section usually wants a membrane roof instead — and plenty of houses need both on different parts of the same roof.

Shape is the second filter. Valleys, dormers, skylights, chimneys and every change of plane are where roofs actually leak, and each one adds flashing detail. A cut-up roof raises the labour cost of every material here, and it raises it most for the materials that are hardest to cut and detail cleanly — tile and metal especially. That is a large part of why two houses with the same square footage get very different numbers, as covered in what a roof replacement actually costs.

Weight: the constraint almost nobody checks first

Asphalt is light. Metal is lighter still. Tile is dramatically heavier than either — heavy enough that it becomes a structural question rather than a matter of taste. If you are switching to tile on a house that was not framed for it, the structure needs to be evaluated by someone qualified before any material gets ordered.

This runs the other direction as well. Moving from a heavy material to a lighter one is never a structural problem, which is part of why metal-over-tile conversions are more common than the reverse.

Ventilation will outrank whatever you choose

This is the part that gets skipped, and it is a common reason two apparently identical roofs on the same street fail years apart. Heat and moisture trapped in an under-vented attic work on shingles from underneath and shorten the life of the deck they are fastened to. Nothing on this list is exempt from that, including the expensive options.

Which makes the ventilation plan a fair thing to ask about in a quote rather than an upsell to be suspicious of. Intake low at the soffit, exhaust near the ridge, and a sensible balance between the two. A contractor who can explain what they intend to do about airflow is worth more than one who can only talk about which shingle line they carry — there is more on telling those two apart in how to hire a roofing contractor.

What happens in year twelve, when it needs a repair

Every roof eventually needs work that has nothing to do with the material failing — a storm, a tree limb, a plumbing vent, a mount someone bolted through it. What differs between materials is how easy and how expensive that repair turns out to be.

Asphalt is the cheapest and simplest to repair, though matching a discontinued colour gets harder as the roof ages. Metal repairs are less frequent but more specialised, and swapping a panel in the middle of a run is real work rather than a patch. Tile is the most fragile to walk on — the repair itself is often simple, but reaching it without breaking three more tiles takes someone who does it regularly.

If your roof gets service visits for other trades, factor that in. It is a real cost of ownership that never appears on a comparison chart.

Warranties: what they actually cover

A 50-year shingle is a warranty term attached to a manufacturer's document, not a promise about how long the roof stays on your house. Manufacturer warranties cover defects in the material itself, they typically prorate steeply after the early years, and they often exclude the labour to tear off and reinstall.

The warranty that matters more is the contractor's workmanship warranty, because roofs that fail early usually fail on installation rather than on the material. Ask how long it runs, what voids it, and whether it survives the company changing hands or being sold.

How to actually decide

Answer three questions in order. How long will you own this house? What does your climate do to roofs — sun, snow load, hail, wind? And what will your structure carry?

Those three answers usually eliminate everything but one or two options, and at that point the choice makes itself.

If two survive the filter, the tiebreaker is rarely the material. It is what the quote does about ventilation, flashing and the deck underneath. A well-installed asphalt roof outlives a carelessly installed metal one every time, and no material on this page is good enough to rescue a bad installation.

Common questions

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