Materials
Roofing materials compared
Seven options, compared on the things that actually differ, without a sales pitch.
Last updated .
The short version
- There is no best material. The right one is what your structure can carry, your climate demands and your budget supports, in that order.
- Weight is a constraint, not a preference. Tile and slate are a structural question before an aesthetic one.
- Low slope rules out most pitched-roof coverings and puts you into membrane territory.
- In hail country an impact rating matters more than the material category. In wildfire areas the fire classification does.
- Service life is set mostly by ventilation, fastening and flashing, which the crew controls, not by the product.
No material is universally best, and this page will not pick one for you. The right covering is the one your structure can carry, your climate demands and your budget supports.
That order matters: weight is a constraint, not a preference.
The seven options
| Material | What it is good at | Weight | Repairability |
|---|---|---|---|
| Asphalt shingle | The default across most of the country. Economical, widely serviceable by any crew, and available in impact-rated grades for hail country. Architectural (laminated) shingles are heavier and longer-rated than 3-tab. | Lightest common option; no structural question | Any crew can repair it |
| Metal | Standing seam and exposed-fastener profiles. Longer service life than asphalt, sheds snow well, performs in wildfire areas. Costs more up front and needs a crew that works in metal specifically. | Light; rarely a structural question | Fewer crews; panels are not a patch-and-go repair |
| Clay or concrete tile | Very long service life and well suited to hot, sunny climates. Heavy enough that the structure has to be checked before it is an option, this is an engineering question before an aesthetic one. | Heavy; structural check required | Individual tiles replaceable; underlayment is the wear item |
| Slate | The longest service life of anything in common use, and the heaviest. A genuine specialist trade, a crew that does asphalt cannot repair slate properly. | Very heavy; structural check required | Specialist crews only |
| Cedar shake and shingle | Appearance-driven. Needs maintenance, and fire classification matters in wildfire areas, treated products and assemblies differ substantially. | Moderate | Regular maintenance required |
| Flat and low-slope membrane | TPO, EPDM and modified bitumen for low-slope sections. Different trade, different failure modes, different inspection regime from a pitched roof. | Light | Seams are the wear point |
| Roof coatings | A maintenance product for low-slope roofs, not a replacement for a failed one. Useful to extend service life on a sound membrane; not a fix for a wet or failing assembly. | Negligible | Reapplication on a cycle |
Service-life figures are deliberately absent from this table. Manufacturers rate coverings under laboratory conditions and the ranges published elsewhere vary so widely that quoting one would imply a precision nobody has. What actually determines how long your roof lasts is below.
Service life is a system property, not a shingle property
Manufacturers rate a covering under laboratory conditions. What your roof actually delivers is set by the four things below, and three of them are decided by the crew rather than the product.
Ventilation balance
Under-ventilated attics cook the underside of the covering and condense moisture in winter. It is the most common reason a roof ages faster than its rating.
Fastening pattern
Nail count, placement and depth are specified by the manufacturer and are the first thing wind finds. Over-driven or high nails void warranties and fail early.
Flashing and water management
Valleys, step flashing, kick-out at wall terminations and drip edge. Water leaves through geometry, not material.
Maintenance access
Gutters, overhanging limbs, debris in valleys and anything that holds moisture against the covering. Cheap to address, expensive to ignore.
A longer material warranty does not extend the life of a roof installed against the manufacturer’s instructions, in most cases it voids it. Ask which installation specification the quote follows.
What should decide it in your case
- Structure. Can the framing carry it? Tile and slate are a structural question before an aesthetic one.
- Pitch. Low slope rules out most pitched-roof coverings and puts you into membrane territory.
- Climate. Hail favours impact-rated products; wildfire areas favour fire classification; heavy snow raises ice-dam and load considerations.
- Tenure. How long you will own the house changes whether a longer-lived covering pays back.
- Serviceability. How many local crews can repair it in ten years. Slate and standing seam narrow that list considerably.
- Local rules. HOA approved lists, historic districts and local code can remove options entirely.
Work it through
The roof material selector takes climate, pitch and tenure and says when its own recommendation is wrong. The metal vs asphalt ROI calculator scans for break-even rather than asserting one.
Common questions
Which roofing material is best?
There is no universal answer, and anyone giving you one is selling something. The right material is the one your structure can carry, your climate demands and your budget supports. Asphalt is the default because it is economical and any crew can service it. Metal costs more and lasts longer. Tile and slate last longest and weigh most, which is a structural question first. In hail country an impact rating matters more than the category; in wildfire areas the fire classification does.
Is a metal roof worth the extra cost?
It depends on how long you will own the house and on the price ratio in your market. The arithmetic is a price ratio against a life ratio, and the break-even point moves with both. Our metal vs asphalt ROI calculator scans for it rather than asserting a number.
Can my roof structure take tile or slate?
Not necessarily. Tile and slate are dramatically heavier than asphalt, and a structure framed for a light covering may need reinforcement. This is a question for a structural engineer or a qualified professional on site, not a question to settle from a website.
Does a longer material warranty mean a longer-lasting roof?
No. A material warranty covers defects in the product; it does not extend the life of a covering installed against the manufacturer’s instructions, and in most cases such an installation voids it. Ask which installation specification the quote follows.
Related: what drives a roofing price · repair or replace · how a roofing project runs · find a roofing professional.
Sources
- Roof assemblies and rooftop structures (IRC Chapter 9), International Code Council. Checked September 18, 2026.
- FORTIFIED Roof standards and severe-weather research, Insurance Institute for Business & Home Safety. Checked September 18, 2026.
- Wildland-urban interface roof coverings and fire ratings, U.S. Fire Administration. Checked September 18, 2026.