pros and cons of metal roofing

Pros And Cons Of Metal Roofing: Things You Need To Know

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Once synonymous with the rugged appeal of barns and the practicality of military installations, metal roofing has transformed. From its humble beginnings, metal roofs have emerged as a popular choice among homeowners, offering a blend of durability and aesthetic appeal.

Let’s explore the pros and cons of metal roofing, to understand why people like it.

Metal Roofing Through the Ages

The inception of metal roofing can be traced back to the innovative mind of Henry Palmer, a British architect and engineer who introduced the concept in the 1840s. Palmer’s design revolutionized the roofing industry, thanks to its inherent strength, lightweight construction, and corrosion resistance.

By the time the 20th century started, metal roofs had become a common feature in modern construction, leaving their mark on architectural history.

Material Matters: Exploring the Diversity of Metal Roofs

Gone are the days of limited options; today’s metal roofs offer a diverse array of materials, each with its unique attributes:

  • Copper: Copper is highly valued for its exceptional durability and classic beauty, but it can be expensive to use.
  • Aluminum: Aluminum is praised for its ability to resist rust, particularly in coastal areas where salty air is common. This makes it a great option for homeowners who want their roofs to last in tough conditions.
  • Zinc: Zinc is becoming a strong competitor to copper, providing similar durability but at a more reasonable price. This appeals to cost-conscious consumers who still want high quality.
  • Steel: Versatile and readily available, steel comes in various forms, including galvanized and patinated varieties, each offering distinct advantages in terms of durability, cost-effectiveness, and aesthetic appeal.
  • Pewter: While less prevalent since the era of World War II, pewter retains its charm as a traditional roofing material, evoking nostalgia and heritage in architectural design.

Advantages of Metal Roofs

Advantages of Metal Roofs

Metal roofs offer a myriad of benefits, making them an attractive option if you seek a durable, energy-efficient, and stylish roofing solution. Here are some of the key advantages:

  • Longevity: Metal roofs can last up to 70 years or more, providing exceptional durability and longevity compared to other roofing materials.
  • Energy Efficiency: Metal roofs are energy-efficient, helping reduce your energy bills by up to 25% due to their reflective properties that prevent heat absorption.
  • Heat Reflectivity: The shiny surface of metal roofs reflects sunlight, preventing heat absorption and keeping homes cooler during hot weather.
  • Weather Resistance: Metal roofs are highly resilient and can withstand even the most severe weather conditions, offering superior protection against wind, hail, and extreme temperatures.
  • Variety of Options: With various types of metals available, you can choose from a wide range of options based on price, style, and performance preferences.
  • Low Maintenance: Metal roofs require minimal upkeep and don’t need annual cleaning or repairs, saving your time and effort.
  • Environmental Benefits: Steel roofs, in particular, are environmentally friendly as they can be recycled and serve as an ideal platform for solar panels, promoting sustainability.
  • Precision Manufacturing: Metal roofs are produced with precise measurements and cuts, resulting in minimal waste during the manufacturing process.
  • Fire Resistance: Metal roofs are highly fire-resistant, classified as Class A material, offering enhanced safety and protection.
  • Stylish and Modern: Metal roofs come in various colors and styles, adding a stylish and contemporary aesthetic to homes while complementing different architectural designs.
  • Lightweight: Metal roofs are lighter than other materials, eliminating the need for additional structural support and simplifying the installation process.
  • Increased Home Value: Installing a metal roof can increase a home’s value and resale value by up to 85.9%, making it a wise investment for you.
  • Insurance Savings: Metal roofs reduce the risk of fire damage, leading to potential savings on your insurance premiums.
  • Extended Warranties: Warranties on metal roofs typically range from 30 to 50 years, providing you with long-term peace of mind.
  • Versatility: You can choose between metal shingles or vertical panels with butt joints, offering flexibility in design and installation.
  • Lightning Protection: Contrary to popular belief, lightning is less likely to strike metal roofs, and if it does, the metal’s conductivity disperses the energy harmlessly.
  • Resistance to Rot and Pests: Metal roofs are resistant to rot, termites, fungi, and mold, ensuring long-term durability and protection for homes.
  • Suitability for Various Roof Types: Metal roofs can be used on both sloped and flat roofs, making them suitable for a wide range of architectural styles and applications.
  • Reusability: Metal roofs can be recycled and repurposed, promoting sustainability and reducing environmental impact.

With their numerous advantages, metal roofs offer homeowners a durable, energy-efficient, and stylish roofing solution that enhances the value and longevity of their homes.

Metal Roofs are Strong

Metal stands as a testament to longevity and resilience, making it a premier choice for homeowners seeking roofing solutions that endure the test of time.

Lasting Legacy

metal roofs last long

Metal roofing outshines its asphalt counterparts in terms of longevity. With a lifespan of two to three times longer than asphalt roofs, metal roofs offer enduring protection against the elements.

Metal roofs, especially those coated with Kynar 500, can last for 50 to 60 years. Zinc or copper roofs can even last for over a century. They can withstand various weather conditions, like extreme heat or heavy snow, and need very little maintenance to stay strong.

Resilience Redefined

According to a recent McGraw-Hill survey, homeowners opt for metal roofing due to its exceptional durability, with 26% choosing it for its longevity and another 22% for its robustness. A well-installed metal roof becomes an integral part of the house, matching its lifespan, typically spanning between 40 and 70 years.

Moreover, manufacturers often provide warranties lasting 30 to 50 years, offering homeowners peace of mind against premature wear and tear.

Unlike traditional asphalt roofs, which endure for a mere 12 to 20 years, metal roofs weather the storm, boasting resistance to winds of up to 140 miles per hour. Rust-proof coatings further fortify metal roofs, safeguarding against corrosion and cracks.

Mold and Moss Resistance

Metal roofs excel in preventing moss, mold, mildew, and fungus. Unlike asphalt or wood roofs, which are prone to these growths, metal roofs stay unaffected. Moss and fungus not only make traditional roofs look bad but also weaken them.

If left untreated, these growths can shorten the lifespan of asphalt and wood roofs by a lot. But metal roofs remain strong against these problems, making them perfect for areas where moss is common, like wooded regions.

Pest Protection

In places with lots of trees where animals like raccoons and rodents can be a problem, metal roofs provide excellent protection. Unlike asphalt roofs, metal ones keep pests away, preventing them from getting into attics.

Asphalt shingles often get damaged by animals trying to get inside, which can lead to problems with the roof and home security. But metal roofs don’t have this issue, giving homeowners peace of mind.

Fireproof Fortress

metal roofs are fireproof

One of the standout features of high-end metal roofs is their resistance to fire. With a Class A fire rating, metal roofs offer invaluable protection, particularly in regions prone to wildfires.

Additionally, metal roofs excel in withstanding various extreme weather phenomena, such as hailstorms common in states like Kansas and Oklahoma. Even the most severe hailstorms pose minimal threat to metal roofs, which can endure wind speeds of up to 110 to 120 miles per hour, meeting or exceeding stringent building codes.

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Insurance Incentives

The resilience of metal roofs doesn’t go unnoticed by insurers. Homeowners investing in Class 4 Hail Impact-Resistant Metal Roofs, such as stone-coated steel shingles and tiles, often receive discounts of up to 30% on their insurance premiums.

Such roofs are guaranteed against hail damage, providing added assurance and financial benefits.

Environmental Protection

Opting for metal roofing isn’t just a practical choice; it’s a step towards environmental sustainability. Unlike traditional petroleum-based shingles, which end up in landfills every 20 to 30 years, metal roofs are crafted from at least 25% recycled materials and are fully recyclable at the end of their lifespan.

This eco-friendly attribute aligns with the Environmental Protection Agency’s goal of reducing landfill waste.

Moreover, metal roofing serves as a platform for integrating solar panels and rainwater collection systems, further enhancing its environmental credentials.

Versatile Installation and Energy Efficiency

Metal roofs offer versatility in installation, with their lightweight construction allowing for installation over existing asphalt shingles without overstressing the roof’s structure.

This streamlined process minimizes waste and labor, contributing to a more sustainable approach to roofing.

Additionally, the reflective properties of metal roofs help regulate indoor temperatures, reducing reliance on electricity and air conditioning, particularly in hot climates.

Cold Climate Protection

metal roofs and cold climate

Metal roofs aren’t only helpful in warm places; they’re also great in cold areas. People in the United States and Canada who deal with ice dams can rely on metal roofing.

Ice dams happen when attics don’t have enough insulation or airflow, and they can cause big problems for regular roofs, like leaks and damage.

Metal roofs stop snow and ice from piling up, so ice dams don’t form, keeping homes safe from winter dangers all year long.

Energy Saving

Metal roofs, with their reflective properties, offer year-round energy savings by deflecting the sun’s heat instead of absorbing it. This translates to potential savings of up to 25% on cooling costs during the scorching summer months.

Additionally, some metal roofs feature specialized coatings with light-reflecting pigments, further enhancing their ability to keep interiors cool without overworking the air conditioning system. By harnessing this energy-saving advantage, you can enjoy long-term cost savings while maintaining indoor comfort.

Variety in Appearance

Metal roofs have evolved beyond basic corrugated styles. Today, there’s a wide range of options like galvanized steel, copper, zinc, tin, and aluminum.

You have plenty of choices in finishes, colors, and shapes to match their style. Unlike asphalt shingles, which offer limited colors, modern metal roofs come in hundreds of customizable options, allowing for a personalized look for every home.

Steel and aluminum are particularly popular because they resist rust and hold paint well.

Stylish Sophistication

stylish metal roof

Metal roofing offers various construction styles, with standing seam panels being popular in modern designs. However, you can also choose alternative styles that mimic the classic look of clay tiles, slate, or wood for a more traditional appearance.

For those who don’t like the visible seams of standing seam roofs, alternative options provide a seamless and elegant look without sacrificing durability. Multi-layer factory finishes not only look good but also ensure long-lasting performance, seamlessly blending into the overall architectural style.

Enduring Elegance

A properly installed metal roof can last for 40 to 50 years, which is longer than traditional roofing materials. Metal roofs are resistant to fire, mold, pests, and rot, making them extremely durable and providing reliable protection for decades.

In contrast, other roofing materials like asphalt shingles, fiber cement, and wood shingles have much shorter lifespans, typically ranging from 20 to 30 years according to the National Association of Home Builders (NAHB).

Lightweight Advantage

Metal roofing’s lightweight offers practical advantages beyond energy efficiency and durability. Weighing between 1 to 3 pounds per square foot, metal roofs are much lighter compared to materials like asphalt shingles, wood shakes, or clay tiles.

This lightness lessens the strain on buildings’ structures, potentially saving costs in design and construction.

Moreover, because metal roofs are lighter, they’re easier to install and may require fewer or smaller roof support members in both new construction and renovations.

Swift Installation

Metal roofing’s wide standing-seam sheets or sections, usually spanning between 12 and 36 inches wide, make installation fast for experienced contractors. These sections, often 3 feet wide and coming in different lengths, can be put together quickly, reducing installation time and risks related to weather.

Making the installation process more efficient not only means finishing on time but also saves money, especially in emergencies when fast roof installation is essential.

Reflective Heat Deflection

Metal naturally reflects sunlight, which means it absorbs less heat and stays cooler during the day. This reflective feature helps reduce the need for cooling, lowering energy consumption. Because of this, metal roofs that meet EnergyStar standards can qualify for rebates from the government.

Homeowners may also get a 10% tax credit of up to $500 for eligible installations, encouraging them to choose energy-efficient upgrades.

Additionally, combining metal roofs with foam insulation can improve thermal insulation, reducing heat transfer and further boosting energy efficiency.

Flexibility in Roof Slope

versatility in pitch

Metal roofing offers versatility in pitch requirements, accommodating low-slope roofs with ease. While a 3-in-12 roof pitch is typically recommended for metal shingles, standing-seam roofing can be applied to roofs with pitches as low as 2-in-12 or even 1-in-12 in certain circumstances.

This flexibility surpasses the limitations of traditional roofing materials, such as asphalt shingles or tiles, which often require steeper slopes for proper installation.

Efficient Water and Snow Shedding

Metal roofing’s seamless construction and slick surfaces ensure efficient shedding of rain and snow, minimizing the risk of water infiltration and snow buildup.

The interlocking panels and hard, slippery surfaces prevent moisture penetration, while dark-colored metal roofs accelerate snow melting by absorbing solar heat.

This effective shedding mechanism not only enhances roof performance but also reduces the potential for water damage and ice dams.

Hurricane and Tornado Resistance

Metal roofing’s strong build and secure attachment methods offer unmatched resistance against hurricanes and tornadoes. These roofing systems are tested to endure winds surpassing 140 miles per hour, providing reliable protection against high winds and debris.

Studies, like those from the Palm Beach Post, confirm that metal roofs outperform others during hurricanes. They emphasize metal roofs’ capability to withstand severe weather and protect homes from structural damage.

Disadvantages of metal roofs

Disadvantages of metal roofs

While metal roofing offers many advantages, it’s important to consider both its benefits and potential drawbacks before making a decision.

One significant drawback of metal roofing is its higher initial cost compared to traditional options like asphalt shingles. This upfront expense might discourage some homeowners, especially those who plan to stay in their homes for a short time.

In such cases, choosing asphalt shingles might seem more cost-effective, considering their shorter lifespan.

Despite its strengths, metal roofing does have challenges. Manufacturers have worked to address these concerns, distinguishing between myths and genuine issues.

However, it’s essential to recognize and tackle potential drawbacks to make well-informed decisions.

  • Fire Risk: While metal roofs are fire-resistant, they can still catch fire under certain conditions, albeit less likely than traditional roofing materials.
  • Aesthetic Preferences: Not all homeowners appreciate the aesthetic of metal roofs, preferring the look of more traditional options.
  • Cost Considerations: The higher cost of materials and installation for metal roofs may pose a barrier for budget-conscious homeowners.
  • Susceptibility to Damage: Metal roofs can be prone to scratches and dents, detracting from their appearance over time.
  • Hail Damage: In areas prone to hailstorms, metal roofs may not offer the same level of protection as other materials.
  • Expansion and Contraction: Extreme temperatures can cause metal roofs to expand and contract, potentially leading to structural issues over time.
  • Need for Skilled Installation: Proper metal roofing installation requires specialized knowledge and skills, not possessed by all roofing contractors.
  • Safety Concerns: Walking on metal roofs can be hazardous due to their slippery surfaces, posing risks of slips and falls for inexperienced individuals.
  • Noise Considerations: Metal roofs may amplify sound during storms, potentially disrupting sleep for some homeowners.
  • Additional Costs: Removing an old roof before installing a metal one can incur extra expenses, adding to the overall project budget.
  • Visual Impact: Metal roofs can sometimes highlight roof protrusions like vents or chimneys, which might not be preferred by some homeowners.

Addressing Common Concerns with Metal Roofing

Metal roofing comes with many benefits, but there are some things homeowners should consider:

Noise Concerns

Metal roofs can make the sound of rain louder, which might bother you.

However, this can be fixed by adding extra insulation and sheathing during installation. While this helps reduce noise, it might cost more, so you need to consider if it’s worth it.

Denting Risks

Metal roofs can be more prone to denting compared to asphalt shingles. While this doesn’t mean they’re lower in quality, it might mean needing more upkeep or repairs.

It’s important to hire professionals to deal with dents and ensure the roof stays strong, especially because walking on some metal shingles can be tricky.

To avoid these issues, homeowners can choose durable metal shingles designed to resist dents.

Knowing the strengths of different metals like aluminum, copper, and steel helps make informed choices about roofing materials, reducing the chances of problems related to denting.

Cost Considerations

Metal roofing tends to cost more upfront than traditional materials like asphalt shingles. This is because installing metal roofs requires specialized skills, tools, and materials.

Even though the initial expense might seem significant, metal roofs last longer and need fewer repairs over time. This means they can save homeowners money in the long run by reducing the need for frequent replacements.

While high-quality metal roofs might have a higher price tag, they often outlast several rounds of replacing asphalt shingles, which ultimately offers better value throughout the home’s lifespan.

It’s crucial to hire reliable contractors for installation and maintenance to get the most out of the investment and avoid unnecessary costs.

Challenges in Panel Replacement

Replacing large panels of metal roofing can be more challenging logistically compared to replacing individual shingles.

Moreover, finding matching materials for remodeling or home additions might be hard over time.

You should think about these factors when planning future renovations or expansions. They can explore ways to deal with potential compatibility issues and make maintenance easier.

Ensuring Proper Installation

metal roof installation

Installing a metal roof requires a high level of skill and precision, unlike more common materials like asphalt shingles.

Having inexperienced contractors do the installation can lead to serious problems like leaks and condensation. That’s why it’s crucial to hire experienced professionals who know metal roofing well.

Many manufacturers only sell their products to licensed contractors who have special training. This ensures that the installation meets strict standards set by the manufacturer.

Roofs with visible fasteners need extra attention during installation. If screws aren’t aligned correctly with raised ridges, it can lead to water getting in. Using strong sealing washers is important to prevent this.

Following the manufacturer’s instructions carefully is essential to make sure the roof is watertight and works well.

To find good metal roofing contractors, asking friends, neighbors, or looking on platforms like Yelp and HomeAdvisor can help. Checking customer feedback and looking at completed projects can give you an idea of the contractor’s reliability and skill.

Thermal Expansion

Metal roofing systems undergo thermal expansion and contraction with temperature fluctuations, potentially causing sagging or loosening of fasteners over time.

Modern metal roofing products incorporate innovative fastening systems designed to accommodate these movements, mitigating the risk of structural issues and ensuring long-term durability.

Considerations for Firefighters

While metal roofs are excellent at resisting fires from outside, they can pose challenges for firefighters dealing with fires inside.

Cutting through metal roofs during firefighting can be tough and take a lot of time. This shows how important it is to have good fire safety measures and communication between homeowners and emergency responders.

Cautions Regarding Walking on Metal Roofs

While metal roofs aren’t meant for regular walking on, there might be times when maintenance requires access to the roof.

It’s important to be careful not to damage or dent the roof, especially when it’s wet and slippery. Some metal roof finishes can peel, chip, or scratch easily, so it’s essential to handle them gently and follow the manufacturer’s guidelines.

New installation methods, like putting metal shingles on from the top down, can help reduce the need to walk on the roof. This makes it safer and keeps the roofing materials in good condition.

Choosing the Right Metal Roof for Your Home

Choosing the Right Metal Roof for Your Home

Residential metal roofing comes in various profiles to match different architectural styles and preferences. One of the most popular choices is architectural standing seam roofs, known for their strength and durability.

These roofs are typically made from Galvalume or G-90 galvanized steel, providing strong protection against the weather while giving a sleek, modern look. Although materials like painted aluminum, weathered zinc, and copper are available, they often come with a higher price tag.

Alternatively, homeowners can choose residential metal shingle roofs, which offer a cost-effective yet sturdy option. These shingles have interlocking mechanisms on all four sides, ensuring better stability and versatility in design.

Standing Seam Roofs

Standing seam roofs are popular for both residential and commercial buildings because they’re strong and last a long time. They use steel panels installed on sturdy beams, which makes them very durable and resistant to bad weather.

Installing them can be tricky, especially making sure the panels are aligned correctly and the seams are locked properly. But because they need little maintenance afterward, standing seam roofs are a good investment for you.

Even though they can cost more upfront, standing seam roofs look great and work well in different climates. They’re often used in places with heavy snow or wildfires because they give reliable protection.

Plus, they can be set up with solar panels to make homes more energy-efficient.

Metal Roofing Costs

Even though the initial cost of metal roofing might seem high, it’s important to think about the long-term advantages and savings. Material and labor prices can vary based on the market and roof specifications, so you should research thoroughly to find the most cost-effective option for your needs.

Considering how long the roof is expected to last and factoring in maintenance costs over time can help determine the real value of the investment.

By picking the right metal roofing material and style for your home, you can enjoy better durability, energy efficiency, and a stylish look for many years.

Although it might take careful budgeting at first, the long-term benefits make metal roofing a smart choice for homeowners who want quality and durability.

Maintaining Your Metal Roof

maintaining the metal roof

Maintaining the longevity of your metal roof requires regular upkeep to keep it looking good.

Even though metal roofs don’t need much maintenance, cleaning them now and then can help them last longer. You can find products made specifically for cleaning metal roofs, or you can use simple solutions like vinegar and soap to get rid of dirt and debris.

If you want to change the color of your roof, polymer coatings are a flexible option that can freshen up its appearance and add extra protection.

But it’s important to be careful when cleaning or doing maintenance on your roof to avoid causing any damage to the surface.

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Visualizing Your Metal Roof

Before deciding on a metal roof, it’s important to think about how it will fit with the style of your home and its overall look. Many metal roof manufacturers have online tools where you can upload pictures of your house and try out different roofing options.

You can also get ideas by looking at photo galleries with pictures of metal roofs on similar houses. This can help you get a better sense of how the roof will look and whether it matches the style you want for your home.

Total Life-Cycle Cost Considerations

While the upfront cost of a metal roof might be higher, it’s important to think about the long-term savings compared to traditional asphalt shingles.

Considering how long the roof is expected to last and potential maintenance costs can help homeowners decide if metal roofing is worth it in terms of value and benefits.

Choosing the Right Metal Roof Option

For homeowners looking for affordable metal roofing options, corrugated or ribbed metal roofs provide durability and longevity similar to asphalt shingles at a competitive price. Choosing high-quality materials ensures better performance and reduces the need for frequent maintenance.

In the end, choosing the right metal roof means balancing upfront costs with long-term benefits and considering factors like personal style, climate, and maintenance needs.

By carefully considering these factors, you can make a smart decision that improves the value and durability of their homes for years to come.

Can a Metal Roof Be Painted?

metal roof color

Certainly! Painting a metal roof is a viable option, provided you take the necessary precautions and select the appropriate paint for the specific metal type. Here are four steps to guide you through the process:

  • Step 1: Preparation If your roof is brand new, it’s advisable to wait approximately six months before painting to allow for proper curing. If waiting isn’t an option, rinse the roof with a 50/50 mix of vinegar and water to remove any residue from the galvanization. Subsequently, use a pressure washer set at around 2500 psi to eliminate additional contaminants. If an electric washer isn’t available, a solution of water and sodium trisodium phosphate can suffice for thorough cleaning.
  • Step 2: Primer and Top Coat Selection Purchase a primer and top coat specifically formulated for metal surfaces. Some manufacturers recommend acrylic latex paints, while others suggest oil-based alkyd resin paints paired with a galvanized metal primer substrate. Primers play a crucial role in preventing rust formation and ensuring proper adhesion of the paint to the metal substrate.
  • Step 3: Safety Precautions Working on metal roofs, which retain minimal water, poses inherent risks. Prioritize safety by ensuring adequate ventilation, using eye protection, and wearing appropriate footwear to prevent falls. Steep roof slopes amplify these dangers, so consider employing safety straps attached to a lifeline for added security.
  • Step 4: Application Utilize an airless sprayer for faster and more uniform paint application compared to brushes or rollers. Additionally, employing less advanced painting tools minimizes the need to stand directly on the roof surface, reducing associated risks. Avoid painting on windy days to ensure optimal conditions for application.

Learn More: Getting Acrylic Paint Out Of Carpet – All You Need To Know

Can Metal Roofing Go Over Existing Shingles?

Metal roofing can typically be installed over one layer of existing asphalt shingles, provided that the roof surface and decking underneath are structurally sound, flat, and free of rot. Before proceeding, it’s crucial to verify compliance with local building codes and adhere to the manufacturer’s instructions.

While removing the old roof to install new sheathing offers a cleaner starting point, retaining the existing roof offers several benefits:

  • Reduced labor and removal costs.
  • Additional insulation for improved energy efficiency.
  • Maintaining cleanliness in your home and yard during the project.
  • Enhanced sound insulation against rain and hail.

How Will a Metal Roof Help Keep House Cool in the Summer?

Metal Roof Help Keep House Cool in the Summer

Metal roofs contribute significantly to maintaining cooler indoor temperatures during the summer months through their reflective properties and efficient heat dissipation. Here’s how they achieve this:

  • Reflectivity: Metal roofs coated with Kynar 500-based resin can attain Solar Reflectance Index (SRI) ratings exceeding 70, surpassing the SRI of CRRC-rated asphalt roofs, which typically range from 20 to 25. This high reflectivity enables the roof surface to deflect a substantial portion of the sun’s rays, minimizing heat absorption and transmission into the house.
  • Heat Dissipation: Metal exhibits excellent thermal conductivity, allowing absorbed heat to dissipate rapidly into the surrounding air. Consequently, any heat accumulated during the day is promptly released back into the atmosphere once the sun sets. Unlike asphalt, which retains heat for more extended periods, metal roofs facilitate quicker cooling, enhancing indoor comfort.
  • Insulation and Ventilation: Optimal attic insulation and ventilation complement the cooling properties of metal roofs by minimizing heat transfer from the roof to the living space below. A well-insulated and properly ventilated attic helps regulate indoor temperatures, promotes energy efficiency, and ensures a healthier and more comfortable living environment.

Frequently Asked Questions

Are metal roofs loud?

Yes, metal roofs may produce more noise during heavy rain or hailstorms compared to thicker roofing materials like slate or tile.

However, the perception of noise largely depends on how the roof is built. Using high-quality materials with structural barriers to reduce drumming, adding sound-deadening insulation and solid plywood sheathing, and creating an attic space between the roof and living areas can help reduce noise.

Does lightning like to strike metal roofs?

Contrary to common belief, metal roofs do not attract lightning strikes. Lightning seeks the path of least resistance to the ground, often striking taller objects such as trees or structures instead of metal roofs directly.

Proper grounding measures can further disperse the energy of a lightning strike, reducing the likelihood of fire compared to combustible roofing materials like wood.

Can shingles be put on top of a metal roof?

Yes, it’s possible to install shingles over a metal roof, but it’s essential to check with your local building department to ensure compliance with regulations. Some areas may require a full separation between roofing layers rather than a partial one.

While many homeowners have successfully retained their old roofs when transitioning to metal roofing, there are potential drawbacks. If existing shingles deteriorate, they can harbor mold, moisture, and other harmful substances, leading to issues down the line. If your old roof is in poor condition, replacing it with a new metal roof may be a better solution.

However, if you wish to keep the old roof, you can opt for a ventilated metal roof installed by a professional roofer. Ventilation strips beneath the metal allow for air circulation, helping toxins escape and mitigating potential issues.

Conclusion

Asphalt fiberglass shingles are used to cover the roofs of most houses today. The Asphalt Roofing Manufacturers Association says that this is true for 4 out of every 5 roofs in the U.S. (ARMA). As we’ve already talked about, there are many good reasons why asphalt fiberglass has become the most popular roofing material in the United States.

But metal roofs are becoming more popular than asphalt roofs. Building Design + Construction says that in the last few years, the market share of metal roofing materials has grown by more than 10%, while the market share of asphalt shingles has gone down slightly.

If you plan to stay in your home for a long time and can afford the initial cost of metal roofing, it can be a very good investment. This is especially true if you live in a place where storms or wildfires are common and your home’s design works well with metal roofing.

Bottom line: Metal roofing is a good choice because it is strong, lightweight, and easy for professionals to put up.

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