Asphalt shingle roofs, first introduced in 1901, quickly became popular for their durability and cost-effectiveness compared to wood shingles and clay tiles. These Asphalt Shingle vs. Metal comparisons were a game-changer at the time, offering a reliable roofing solution. However, as technology advanced, metal roofing emerged as a superior alternative, combining exceptional durability, longevity, and eco-friendliness. Today, metal roofing is the second most popular choice nationwide, thanks to its sleek appearance and impressive energy efficiency. While the initial investment in metal roofing is higher than asphalt shingles, its long-term benefits and higher return on investment make it a compelling choice for modern homeowners.

 shingles with granule surface texture

What Are Asphalt Shingles Made Of Asphalt?

Asphalt shingles are crafted from a base material like felt or fiberglass. This base is coated with asphalt, a petroleum-based substance that ensures waterproofing. On top, mineral or ceramic granules are embedded, shielding the asphalt from UV rays and environmental damage. The most popular asphalt shingle styles are three-tab shingles and architectural shingles. Each style offers distinct benefits and visual appeal, catering to various roofing needs and preferences.

Three-tab asphalt shingles are thinner and uniform in size, providing a flat, traditional look. In contrast, architectural shingles are thicker and come in various sizes and shapes. This variety creates a more textured, dimensional appearance on your roof. Architectural shingles offer enhanced visual appeal and greater depth compared to their three-tab counterparts.

A primary benefit of asphalt roofing is their cost-effectiveness. They are often the cheapest roofing material available. However, price and quality are closely linked, and asphalt shingles have several drawbacks. Their major weakness is longevity; they may need replacement every 12 years. This short lifespan is a consideration if you plan to install solar panels, which can last 25 years or more. Another significant issue is durability; asphalt shingles are prone to cracking and warping after only a few years of exposure. In areas prone to severe weather, such as hail or high winds, investing in a more durable roofing material can also help with insurance premiums, as insurance companies favor homes with resilient roofs.

roof with blurry background, showing texture and shine

What Is Metal Roofing?

Metal roofing has long been valued in the industrial sector for its durability, longevity, and energy efficiency. Historically, its use in residential settings was limited due to its “industrial” appearance. This perception shifted in 1957 with the introduction of stone-coated metal roofing. Stone-coated metal roofing offered the robust performance of metal without the industrial look. It consists of steel sheets covered with stone granules, which allows for various shapes, colors, and textures. This innovation enables metal roofs to mimic traditional materials like asphalt shingles, clay tiles, and wood shakes, making them a versatile and attractive option for homeowners.

Metal roofing stands out not only for its strength and durability but also for its energy efficiency and eco-friendliness. As one of the longest-lasting roofing materials, it provides exceptional protection for your home. Additionally, metal roofs are highly energy-efficient, helping to reduce cooling costs by reflecting sunlight and minimizing heat absorption. Their environmentally-friendly nature adds to their appeal, as they are often made from recycled materials and are fully recyclable at the end of their life cycle. Choosing metal roofing means investing in a long-term, sustainable solution for your home.

Close-up view comparing metal and asphalt roofing

Energy Savings: Does Your Roof Type Matter? Metal vs. Asphalt – Which Is the Better Option?

Asphalt Shingle vs. Metal Roofing: Today, metal and asphalt are the leading choices for residential roofing. Choosing between them can be tough for homeowners. Each material offers distinct advantages. Metal roofs are known for their durability and eco-friendliness. On the other hand, asphalt shingles are more affordable and simpler to install. When it comes to energy efficiency, these two options differ significantly. One type can provide better energy savings and lower utility bills than the other. Understanding these differences will help you select the roofing material that best meets your needs.

Close-up view of metal and asphalt roofs

Which Kind Of Roof Is More Energy-Efficient?

Both metal roofing systems and asphalt shingles offer energy efficiency benefits. Metal roofs excel in reflecting heat away from buildings, which helps keep interiors cooler. Conversely, asphalt shingles are designed with solar-reflecting granules that minimize heat absorption and transfer. Each type contributes to reducing cooling costs in its own way, making them both effective choices for energy-efficient roofing.

Considering the above, metal roofs generally offer better energy efficiency compared to asphalt shingles for several reasons. Metal roofs reflect a significant amount of solar heat, keeping buildings cooler. This reflection reduces the need for air conditioning and lowers energy costs. Additionally, metal roofs can maintain their efficiency over time without significant degradation. In contrast, asphalt shingles may absorb more heat and can lose their reflective properties as they age. Thus, metal roofing provides superior long-term energy savings and efficiency.

Minimal Thermal Mass

Metal roofing has low thermal mass, meaning it absorbs, stores, and releases less heat. This property is crucial because roofing materials that trap excessive heat can force your HVAC system to work harder. Consequently, greater utility expenses follow. Metal roofs also trap less heat, preventing high temperatures inside your home. If your roofing system absorbs and retains significant heat, it can lead to increased reliance on air conditioning. This raises energy consumption and costs. Metal roofing effectively minimizes these issues, ensuring more efficient temperature regulation and lower energy bills.

In contrast, asphalt shingles have higher thermal mass, meaning they absorb and retain heat longer. This property causes them to cool down or heat up more slowly. As a result, your home may experience a heat sink effect near the roof. This trapped heat can reduce the overall cooling efficiency of your home. Opting for asphalt shingles increases the likelihood of higher indoor temperatures, leading to more strain on your cooling system.

Superior Qualities Of Reflection

Metal roofing panels’ reflectivity is often measured by the Solar Reflective Index (SRI). A higher SRI number indicates better solar energy reflection. Additionally, metal roofs can be coated with highly reflective paint known as cool roof coatings. These coatings, which often contain silicone or acrylic, significantly enhance the SRI of the metal panel. Applying these cool pigments to existing roofs increases their solar reflectivity and resistance, helping to maintain comfortable indoor temperatures.

Solar-Friendliness

One of the easiest ways to enhance your home’s energy efficiency is by installing a solar energy system. By mounting solar panels on your roof, you can decrease your dependence on utility companies and lower your electricity bills. This is particularly beneficial in the US, where residential electricity prices frequently rise. Investing in solar energy can provide significant long-term savings and greater energy independence.

If you’re considering a residential solar energy system, a metal roof can simplify the installation process. Modern metal roofing systems are ideal for solar panels due to their strength and durability. They can support multiple panels and mounting racks efficiently. This compatibility ensures a secure and effective solar installation, maximizing your home’s energy efficiency.

metal roofing with blurred background, highlighting texture

What Additional Features Set Metal Roofing Apart?

In addition to their energy efficiency, metal roofs offer several other appealing advantages, such as:

  • A metal roof requires minimal upkeep, making it a practical choice. Once installed, you’ll only need to hire professionals for periodic cleaning of panels, gutters, and drains. Regular maintenance is essential to remove dirt, grime, algae, and debris from the roof’s dead spots and valleys. This ensures your roof remains in top condition with less frequent intervention. 
  • A metal roof boasts impressive longevity, often outlasting other materials. Its lifespan depends on weather conditions, ventilation, and installation quality. In contrast, asphalt roofs typically last up to 30 years. Investing in a metal roof can provide you with enduring performance and durability. 
  • Metal roofing stands out for its eco-friendliness. Manufacturers use recycled materials to create metal roofing components. When it’s time to replace a metal roof, it is entirely recyclable. This makes metal roofing one of the most environmentally friendly options on the market today. 
  • Most painted metal panels come with an Energy Star rating, while shingles typically do not. This rating signifies superior energy efficiency and reflects metal panels’ ability to reduce heat absorption. By choosing Energy Star-rated metal roofing, you enhance your home’s energy performance.

Conclusion:

When choosing between asphalt shingles and metal roofing, each option offers distinct benefits suited to different needs. Asphalt shingles, known for their affordability and ease of installation, have been a popular choice for over a century. However, metal roofing is increasingly favored for its superior durability, longevity, and eco-friendliness. Though metal roofing requires a higher initial investment, it delivers exceptional energy efficiency and lower maintenance costs over time. Metal roofs also excel in sustainability, being made from recycled materials and fully recyclable themselves. For homeowners seeking long-term value and reduced environmental impact, metal roofing proves to be a compelling choice.

FAQ: Asphalt Shingles vs. Metal Roofing

  • What are the main differences between asphalt shingles and metal roofing?
    Asphalt shingles are known for their affordability and ease of installation but may require replacement every 12-20 years. They are prone to issues like cracking and warping. Metal roofing, on the other hand, offers greater durability, longevity (often lasting 40-70 years), and better energy efficiency. It is also eco-friendly, being made from recycled materials and fully recyclable.
  • How do asphalt shingles and metal roofing compare in terms of energy efficiency?
    Metal roofing generally provides superior energy efficiency compared to asphalt shingles. Metal roofs reflect a significant amount of solar heat, which helps keep interiors cooler and reduces cooling costs. While asphalt shingles have solar-reflecting granules, they tend to absorb more heat over time, which can lead to higher energy bills.
  • What is the price difference between metal roofing and asphalt shingles?
    Asphalt shingles are typically less expensive upfront, making them a more budget-friendly option. Metal roofing, while having a higher initial cost, can offer a better return on investment over time due to its longevity and lower maintenance needs. The long-term savings on repairs and energy bills can offset the initial expense.
  • How do the lifespans of asphalt shingles and metal roofing compare?
    Asphalt shingles usually last between 12-20 years, with some high-quality options reaching up to 30 years. Metal roofing, in contrast, can last 40-70 years depending on the material and installation quality. This significant difference in lifespan can make metal roofing a more durable and cost-effective option in the long run. 
  • Are there environmental benefits to choosing metal roofing over asphalt shingles?
    Yes, metal roofing has notable environmental advantages. It is often made from recycled materials and is fully recyclable at the end of its life, reducing landfill waste. In contrast, asphalt shingles are less eco-friendly as they contribute to more waste and are not easily recyclable. Additionally, metal roofs can enhance energy efficiency, further reducing environmental impact.