Metal roofing has become a mainstream viable option for many commercial and residential roofs, as long as they have a pitch that is not extremely flat. Not all metal roofs resemble metal. Nowadays, manufacturers can fabricate metal roofs to resemble traditional asphalt shingle roofs. Homeowners are opting for metal roofing material for several reasons.
Fascinating Facts About Metal Roofs
Here is some information about metal roofs to help in making a decision on installing them.
Installing Metal Roofs Over Existing Roofs
You can often install a metal roof over your existing roof without removing the shingles, as long as local building codes permit it. While complete shingle removal is preferred, tearing off enough shingles can be messy and increase the job’s cost. Roofers can install a vented metal roof to eliminate trapped moisture, minimizing the chances of mold and rot development.
Metal Roofs Are Not Noisier Than Other Roofing Materials
One of the biggest misconceptions about metal roofs is their noise level, especially during rain or hailstorms. Properly installed metal roofs are not noisier than other roof types. Metal roofing material is typically installed over a solid substrate, providing a strong sound barrier along with attic insulation. Most people rarely notice an increase in sound inside their home when a metal roof is installed.
Metal Roofs Do Not Attract Lightning
Contrary to popular belief, metal roofing materials do not attract lightning, as there are no statistics to support this notion. In fact, several organizations have stated that metal roofing does not increase the likelihood of a lightning strike.
Additionally, metal roofs are less combustible than asphalt shingles or wood shakes. Lightning seeks the easiest path to the ground, so structures directly connected to the ground, like telephone poles or trees, are more likely to be struck. Since metal roofs are isolated and do not offer a direct path to the ground, they do not attract lightning.
Metal Roofs Resist Rot, Fire, and Insect Damage
Metal roofing is popular because it is virtually fireproof and resistant to rot, mildew, and insect damage. With many communities experiencing wildfires, metal roofing has become the material of choice in these areas. Termites and other insects cannot damage metal roofing. Its ability to conduct heat helps snow and ice slide off quickly.
Hail Is a Metal Roof’s Worst Enemy
While metal roofs are durable and require less maintenance than asphalt shingles, they are not indestructible. Large hail can leave noticeable dents, especially on aluminum and copper roofing materials. Steel roofing is sturdier and withstands hailstorms better, but even it can be damaged by large hail. Large hail can also destroy clay roofing tiles and asphalt shingles.
Metal Roofs Are More Energy Efficient
Metal roofs reflect solar radiant heat, reducing a home’s cooling costs by up to 25% in areas where cooling costs outweigh heating costs. A shinier granular coating on the metal roof can enhance its reflective capacity, improving energy savings.
Types of Metal Roofs
Metal roofs can be composed of various materials. Here are the primary types to know about.
Aluminum Roofing
Aluminum, known for its lightweight yet durable nature, boasts a higher strength-to-weight ratio compared to many other metals used in roofing. This results in a robust roof without the cumbersome weight, facilitating easier installation.
Aluminum roofing is low-maintenance, has an extended lifespan, and is available in various colors. Its corrosion resistance makes it ideal for regions with heavy rainfall or coastal areas prone to salt spray. Additionally, aluminum’s malleability allows for easy customization to fit different roofing profiles.
Compared to steel roofing, aluminum may be more susceptible to denting. Thicker aluminum increases resistance to dents while enhancing overall strength and durability.
Copper Roofing Material
Copper is renowned for its distinctive appearance, evolving from a shiny penny-like hue to a unique blue-green patina influenced by local climate conditions.
Available in shingles, panels, and sheets, copper is an attractive, long-lasting roofing material, with some installations lasting centuries. While copper’s softness makes it susceptible to dents from hail or debris, its high cost often results in partial rather than full roof installations.
Steel Roofing Material
Steel roofing is synonymous with metal roofing, offering durability and low maintenance compared to other roofing types. Costing approximately 35% less than aluminum, correctly installed steel roofs boast lifespans of 40 to 60 years, surpassing the typical 20-year lifespan of asphalt shingle roofs.
Corrosion-resistant steel panels are suitable for most environments but may lack the same level of corrosion resistance as aluminum, copper, or zinc. While coastal regions or highly humid environments may pose challenges, steel remains a viable roofing option.
Zinc Roofing Material
Zinc, akin to copper in appearance, develops an attractive patina over time, changing color and enhancing its aesthetic appeal. Although more prevalent in Europe, zinc roofs have yet to gain widespread popularity in the United States, partly due to cost considerations.
Zinc’s striking appearance and resistance to rust and corrosion make it ideal for coastal regions. With a lifespan of over 100 years, zinc roofs offer long-term durability and minimal maintenance, providing peace of mind for homeowners.
Pros and Cons of Metal Roofing
In making a choice of whether to have a metal roof, there are some advantages and disadvantages. Here are the main ones to consider.
Pro: Lifespan
Metal roofs boast a significantly longer lifespan compared to traditional asphalt roofs, lasting between 40 years and up to 100 years or more.
Pro: Durability
Materials like zinc, aluminum, and steel exhibit exceptional strength, enabling metal roofs to withstand extreme weather conditions, heavy snowfall, and winds exceeding 140 mph.
Pro: Aesthetics
Modern metal roofs offer enhanced curb appeal with a variety of styles and colors, departing from the perception of metal roofs as unattractive in the past.
Pro: Sustainability
Metal roofing is an eco-friendly option. It can often be installed over an existing roof, reducing debris from tear-offs. With recycled content ranging from 35 to 95%, metal roofs are highly recyclable, further contributing to sustainability efforts.
Pro: Energy Efficiency
Metal roofs help save on energy bills by reflecting solar heat, reducing the need for cooling in warmer months. Additionally, insulation beneath metal roofs retains warmth in winter, potentially lowering heating costs.
Pro: Safety
Metal roofs carry a Class A fire rating, indicating high resistance to surface flame spread. They are as safe as, if not safer than, asphalt shingles, particularly in areas prone to wildfires.
Con: Expense
Metal roofing can be more expensive than traditional asphalt shingles, with costs influenced by factors such as roof size and pitch.
Con: Dents
Despite their sturdiness, metal roofs can still sustain damage, particularly from falling trees and hailstorms. While steel roofs are less prone to dents, softer materials like copper and aluminum may experience more indentation.
Metal roofs offer an appealing and long-lasting choice for roofing compared to traditional asphalt shingles. While the initial cost of a metal roof may be higher than other roofing materials, it’s essential to remember that installing any new roof comes with expenses. Opting for a metal roof can result in long-term savings due to its durability. For maximum longevity, select steel roofing over tin or aluminum. If you reside in a coastal area, it’s advisable to invest in a steel roof.
A Quality Roofing Company in Charlotte, NC
At Blue Fox Roofing & Renovations, we have built a reputation as a roofing company that speaks for itself. We are proud of our commitment to customer satisfaction. Our dedicated team delivers top-notch workmanship and lasting quality. For us, our customers’ safety and complete satisfaction are at the forefront of our process.
Our services include roof repair, replacement, and inspection. We help our clients after storm damage and with new and existing construction. Contact Blue Fox Roofing & Renovations in Charlotte today and see for yourself the extent of our customer service.
