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Metal Roofing 101: Advantages, Disadvantages, and Cost

Metal roofs are growing in popularity, and roofers in Columbia, MO, often install them in new construction or when replacing roofing.

The most familiar type is steel (galvanized, Galvalume, or weathering steel), shaped into corrugated sheeting or pre-formed panels. Columbia, MO, roofing companies also sometimes use aluminum or copper.

Our guide covers all you need to know.



Steel roofing in Columbia, MO, can last from 50 to 75 years (copper as long as 200 years), as opposed to 15 to 25 years for asphalt shingles, and the manufacturer warranties reflect this. Many makers of paints for metal roofs offer a 30-year limited warranty.


Roofing companies in Columbia, MO, prefer metal roofs because they can withstand winds gusting up to 140 mph, show little to no corrosion, are less likely to leak, and have the highest possible rating for hail impact (Class 4).

They have the highest rating for fire resistance (Class A) and won’t ignite if a wind-blown spark from a wildfire lands on them or if they are struck by lightning. And to dispel a myth: lightning is no more likely to strike metal roofing in Columbia, MO than any other roofing material.

It weighs about half as much as shingles and around one-tenth as much as tiles but is stronger. Thus, it requires minimal maintenance.

Environmentally Friendly

Metal roofing on Columbia, MO, homes comprises 25 to 95% recycled metals and is 100% recyclable at the end of its service life. Metal roofs reflect radiant heat, keeping your home cooler in summer than a shingled roof. In winter, they trap heat from escaping. The result is savings on energy bills of between 10 and 25%.



Metal roofs are noisy during hailstorms or heavy rain, but roofers in Columbia, MO, can install solid decks or insulation to reduce noise. Many people like the sound of rain on a “tin” roof.


Metal roofing in Columbia, MO, is generally available only as steel panels, which some people find unattractive. Color options are also restricted compared with other materials.

Fasteners Degrading

Metal roofing sheets expand as they warm and contract as they cool, putting stress on fasteners (both exposed and concealed). If roofers in Columbia, MO, haven’t installed fasteners correctly, they can degrade over time, creating leaks.


Metal roofs are generally slippery, especially when wet. Snow slides off easily (which is great), but a lot can fall suddenly, harming anything below, including people.


Aluminum ($5/square foot) and copper ($12/square foot) make for extremely expensive Columbia, MO, roofing, as do metal shingles. Steel roofing panels can cost the same as shingles when installed (around $2/square foot), but the price may be as much as $5/square foot.

However, metal roofs’ long service life means their per-year cost is lower, they increase resale value, and homeowners may be eligible for discounts of up to 35% on insurance premiums.

The Bottom Line

Metal roofs have many advantages and few disadvantages besides higher upfront costs. However, their cost per year is lower than most other roofing materials.