Exploring the process of depreciation can help homeowners make better decisions when choosing between copper and asphalt shingles for their roofing needs. Understanding the factors that affect their lifespan and the effects of their depreciation over time can lead to long-term savings, enhanced home value, and reduced maintenance.

In this article, we will delve into the depreciation aspects of both copper and asphalt shingles, comparing their performance and providing tips for maximizing their longevity.

7 Major comparisons between copper and asphalt shingles depreciation

1. Durability

Copper shingles: Copper shingles are highly durable and can last for over a century with proper maintenance. The natural properties of copper make it resistant to corrosion, fire, and pests. Copper shingles are not prone to cracking or warping, providing long-term stability for your roof.

Asphalt shingles: Asphalt shingles are also durable but have a shorter lifespan compared to copper shingles. On average, asphalt shingles last around 20 to 30 years. However, advancements in technology have led to the development of more durable asphalt shingles that can offer extended longevity.

2. Aesthetics

Copper shingles: Copper shingles provide a unique and elegant appearance to your roof. Over time, they develop a distinctive patina, which adds character and enhances the visual appeal of your home. The natural beauty of copper can greatly enhance its overall aesthetic.

Asphalt shingles: Asphalt shingles come in a wide range of colors and styles, offering versatility in matching various architectural designs. While they may not have the same luxurious appeal as copper, asphalt shingles can still provide an attractive and cohesive look to your roof.

3. Cost

Copper shingles: Copper shingles are generally more expensive upfront compared to asphalt shingles. However, considering their exceptional durability and longevity, they can be a cost-effective choice in the long run. The value they add to your home can offset the initial investment.

Asphalt shingles: Asphalt shingles are more affordable than copper shingles, making them a popular choice for homeowners on a budget. They provide a cost-effective roofing solution without compromising on quality or performance.

4. Maintenance

Copper shingles: Copper shingles require minimal maintenance due to their resistance to corrosion and pests. Periodic inspections and cleaning are recommended to ensure optimal performance and prevent any potential issues.

Asphalt shingles: Asphalt shingles may require more regular maintenance compared to copper shingles. This includes periodic inspections, cleaning of debris, and replacing damaged or missing shingles to maintain the integrity of the roof.

5. Environmental Impact

Copper shingles: Copper is a recyclable material, making copper shingles an environmentally friendly choice. The longevity of copper roofs reduces the need for frequent replacements, thus minimizing waste. Copper has natural antimicrobial properties that inhibit the growth of algae and moss, reducing the use of harmful chemicals for cleaning.

Asphalt shingles: Asphalt shingles are not as environmentally friendly as copper shingles. They contribute to landfill waste due to their shorter lifespan and require fossil fuels in their manufacturing process. However, some asphalt shingles are now being produced with recycled materials to reduce their environmental impact.

6. Energy Efficiency

Copper shingles: Copper has excellent thermal properties, which can help regulate the temperature within your home. Copper shingles can reflect solar heat, reducing the need for excessive air conditioning during hot summers and potentially saving energy costs.

Asphalt shingles: Asphalt shingles have moderate thermal properties and may not offer the same level of energy efficiency as copper shingles. However, advancements in technology have led to the development of cool roof asphalt shingles that reflect more sunlight and reduce heat absorption.

7. Noise Reduction

Copper shingles: Copper shingles can help reduce external noise due to their density and thickness. They provide better sound insulation compared to other roofing materials, creating a quieter environment within your home.

Asphalt shingles: Asphalt shingles provide some level of noise reduction but may not be as effective as copper shingles due to their thinner composition. Additional insulation materials can be added beneath the roof deck to improve soundproofing.

What is depreciation in the context of building materials?

Depreciation, in the context of building materials, refers to the gradual decline in value or quality of a material or component over time. It is a natural process influenced by various factors such as wear and tear, exposure to environmental elements, aging, and usage.

Depreciation can affect the functionality, aesthetics, and overall performance of building materials. You must consider depreciation when selecting materials for construction or renovation projects to ensure their longevity and cost-effectiveness in the long term. Regular maintenance and proper care can help mitigate the effects of depreciation and extend the lifespan of building materials.

How does copper depreciate over time?

Copper, unlike some other building materials, does not depreciate in the traditional sense. Instead, it undergoes a natural process called patination, which is the formation of a protective layer on its surface.

Over time, copper develops a greenish or bluish patina due to exposure to air and moisture. This patina actually enhances the durability and aesthetic appeal of copper, as it acts as a barrier against corrosion and further protects the metal. While the initial bright shine of copper may fade, the patina adds character and gives a timeless look to copper roofs or other copper installations.

Therefore, instead of depreciating, copper gradually transforms and gains value through its unique aging process.

Key factors influencing copper’s depreciation

• Exposure to environmental elements: The amount of exposure copper receives to various environmental elements, such as moisture, humidity, sunlight, and pollutants, can affect its depreciation.
• Maintenance and care: The level of maintenance and care given to copper surfaces can significantly impact their depreciation rate. Regular cleaning and inspection can help prevent the accumulation of dirt, debris, and contaminants that may accelerate the aging process.
• Physical damage: Copper can experience depreciation if it sustains physical damage, such as dents, scratches, or bending. These damages can compromise the structural integrity and aesthetics of the copper material.
• Chemical reactions: Certain chemicals or substances that come into contact with copper, such as acidic solutions or salts, can cause accelerated corrosion or degradation, leading to increased depreciation over time.
• Installation quality: The quality of the installation plays a major role in determining how well copper performs and depreciates. Proper installation techniques and adherence to recommended practices can minimize the risk of premature depreciation.
• Climate and geographical location: The climate and geographical location can impact copper’s depreciation rate. Factors like temperature extremes, humidity levels, saltwater exposure (in coastal areas), or high levels of air pollution can affect how quickly copper deteriorates.
• Design considerations: The design and configuration of copper installations can affect their vulnerability to depreciation. Factors such as proper drainage, ventilation, and compatibility with other building materials should be considered to minimize the risk of accelerated depreciation.

The depreciation rate of asphalt shingles

One of the main factors is the quality and type of asphalt shingles used. Higher-quality asphalt shingles with better durability and resistance to environmental factors tend to depreciate at a slower rate compared to lower-quality ones. The climate and weather conditions in the area can also affect the depreciation rate.

Extreme temperatures, excessive sunlight exposure, heavy rain, hail, or strong winds can contribute to the deterioration of asphalt shingles over time. Regular maintenance, such as cleaning debris and inspecting for damage, can help slow down the depreciation process.

However, it is generally expected that asphalt shingles will have a shorter lifespan compared to materials like copper, with an average depreciation rate ranging from 20 to 30 years.

Driving factors behind asphalt shingles depreciation

• Weather exposure: Asphalt shingles are exposed to various weather conditions, including sunlight, rain, snow, and temperature fluctuations. Continuous exposure to these elements can cause the asphalt to degrade over time, leading to accelerated depreciation.
• UV radiation: The ultraviolet (UV) radiation from the sun can cause the asphalt in shingles to break down and lose its flexibility. This can result in cracking, curling, and overall deterioration of the shingles.
• Moisture and water damage: Moisture, either from rain or condensation, can penetrate beneath the shingles and weaken the underlying structure. This can lead to rot, mold growth, and further degradation of the shingles.
• Poor ventilation: Inadequate ventilation in the attic or roof space can trap heat and moisture, creating a favorable environment for the deterioration of asphalt shingles. Proper ventilation is crucial to maintaining the longevity of asphalt shingles.
• Low-quality materials: Lower-quality asphalt shingles may have inferior materials or manufacturing processes, making them more susceptible to depreciation. You must invest in high-quality asphalt shingles to ensure better durability.
• Improper installation: Incorrect installation techniques or poor workmanship can contribute to the premature depreciation of asphalt shingles. This includes issues such as improper nail placement, insufficient sealing, or a lack of proper underlayment.
• Lack of maintenance: Regular maintenance, such as cleaning debris, inspecting for damage, and replacing damaged shingles, is essential to prolonging the lifespan of asphalt shingles. Neglecting maintenance can accelerate the depreciation process.
• Impact damage: Asphalt shingles can be susceptible to damage from falling branches, hailstorms, or other physical impacts. Such impact damage can compromise the integrity of the shingles and lead to faster depreciation.
• Age: Over time, even well-maintained asphalt shingles will naturally depreciate due to general wear and tear. As the shingles age, they may become more brittle, cracked, or discolored, indicating the need for replacement.

How material choice affects property value over time

High-quality and durable materials, such as copper, stone, or premium hardwood, often add value to a property as they offer longevity and timeless aesthetics. These materials are known for their durability and resistance to wear and tear, which can reduce maintenance and replacement costs over the years. Materials that are energy-efficient or environmentally friendly, such as energy-efficient windows or sustainable building materials, can also increase property value.

On the other hand, choosing low-quality or outdated materials may result in depreciation and a decrease in property value. Materials that require frequent repairs, have a short lifespan, or are less energy-efficient may give potential buyers or appraisers a negative impression and lower the overall value of the property.

Strategies for maximizing longevity: Copper and asphalt shingle maintenance

For copper shingles

• Regular inspections: Conduct routine inspections to identify any signs of damage, such as cracks or loose fittings, and address them promptly.
• Cleaning: Remove debris, leaves, or other foreign materials from the surface of copper shingles to prevent moisture buildup and potential corrosion.
• Gentle washing: Use a mild detergent and a soft brush or sponge to clean copper shingles, avoiding harsh chemicals or abrasive materials that can damage the surface.
• Preventing moss and algae growth: Trim overhanging trees to minimize shade and moisture accumulation, which can contribute to moss or algae growth. If necessary, use eco-friendly treatments to remove moss or algae.
• Protective coatings: Consider applying protective coatings or sealants specifically designed for copper shingles to enhance their resistance to corrosion and prolong their lifespan.

For asphalt shingles

• Regular inspections: Periodically inspect the condition of asphalt shingles for signs of damage, such as cracks, curling, or missing shingles. Replace damaged or missing shingles promptly.
• Cleaning: Remove debris, leaves, and other materials that can accumulate on the roof surface, as they can trap moisture and accelerate deterioration. Use a gentle approach when cleaning to avoid damaging the shingles.
• Maintaining gutters and downspouts: Ensure that gutters and downspouts are clear of debris to prevent water backup and overflow, which can damage the underlying structure of asphalt shingles.
• Addressing moss or algae growth: If moss or algae growth is present, use appropriate treatments to remove them and prevent further growth. Avoid pressure washing, as it can dislodge granules from the shingles.
• Timely repairs: Address any issues promptly, such as leaks or damaged flashing, to prevent water infiltration that can undermine the integrity of the asphalt shingles.

Future trends in roofing: Will copper or asphalt shingles dominate?

While it is challenging to predict future trends definitively, based on current market share and emerging developments, it is likely that asphalt shingles will continue to dominate the roofing industry in terms of overall usage. Asphalt shingles have been traditionally favored for their affordability, ease of installation, and wide availability.

Advancements in technology have led to improvements in the durability and longevity of asphalt shingles, making them a popular choice among homeowners. However, it is worth noting that there is a growing interest in sustainable and eco-friendly building practices.

This increased focus on environmental considerations may lead to a rise in the popularity of copper and other durable and sustainable roofing materials in the future, particularly among those seeking premium aesthetics and long-term value.