Asphalt Roofing — Composition Shingles

Asphalt composition roofing shingles are the most common roof material in North America

Asphalt roofing is a popular choice for many homeowners due to its affordability and minimal maintenance. Composition shingles are one of the most used asphalt roofing materials today due to their wide range of colors and textures. This article will provide an overview of composition shingles and information about their installation, advantages, and potential drawbacks.

Composition shingle roofs generally consist of organic or fiberglass material saturated with asphalt and covered with colored ceramic-coated granules. The granules protect the surface from ultraviolet radiation while giving it texture and color. Installation involves laying out the first layer of starter strips along the eaves, followed by overlapping rows of individual composition shingles up to the ridge line. As each row is added, nails must be driven into predrilled holes on either side just below the top edge of the strip.

The primary benefits associated with composition shingle roofs include low cost compared to other types of roof coverings such as metal or tile; ease of installation; durability; fire resistance; energy efficiency; aesthetics; availability in multiple colors; a lightweight design which allows use on almost any type of structure; minimal impact on natural resources during production; and recyclability at end-of-life. However, there may also be some disadvantages, such as a shorter lifespan compared to more expensive options like slate, susceptibility to algae growth if not treated regularly with algicide washes, fading over time from exposure to UV rays, and higher noise levels than other types of roofing materials.

Asphalt roofing composition shingles are the most popular type of roof in North America due to their cost-effectiveness, durability and wide range of colors available. As a result, they have become increasingly common among homeowners who want an affordable yet long-lasting solution for their roofs.

Composition shingles consist mainly of asphalt with some fiberglass or organic materials blended in. The asphalt content provides waterproof protection, while the fiberglass or organic material helps provide strength and flexibility. These shingles also come in various shapes and sizes that can be used to enhance the look of any home’s exterior design. They can also be painted or stained to match any desired colour scheme.

The installation process for composition shingles is relatively simple and requires minimal skill from the installer; however, it should only be done by a professional contractor, as improper installation could reduce its effectiveness and lifespan. Once installed correctly, composition shingles offer great protection against inclement weather conditions such as wind, rain, snow and hail. They are also resistant to mold growth which makes them ideal for humid climates where other roof types may struggle to maintain their structural integrity over time. With proper maintenance and care, these shingles can last up to 30 years before needing replacement – making them an excellent investment for those looking for longevity from their roof material.

Frequently Asked Questions

Asphalt roofing is an immensely popular choice for residential and commercial buildings. This material offers many benefits regarding composition shingles, such as cost-effectiveness and ease of installation. Furthermore, one of the key questions people have when considering asphalt roofing with composition shingles is: how long do they typically last?

A roof’s durability depends on various factors, including climate conditions and the materials’ quality. Depending on these variables, asphalt roofs with composition shingles can last anywhere from 15 to 30 years. On average, homeowners should expect their new or replacement asphalt roofs with composition shingles to last between 20 and 25 years before requiring repairs or replacement.

When discussing longevity, it’s important to consider that some components may need maintenance more frequently than others:

  • Roof Components That Need Maintenance/Replacement over Time:
    • Shingles – Depending on the asphalt shingles used, you’ll likely need to replace them within 15-20 years due to wear and tear from weather exposure.
    • Underlayment – The underlayment layer helps protect your home from water damage; however, depending on its age, it could require replacing prior to installing new shingles if necessary.
  • Longer Lasting Components:
    • Flashing – This metal strip around chimneys and vents protects against water intrusion but usually lasts much longer than other components (upwards of 50 years).
    • Gutters & Downspouts – Gutters and downspouts will generally not need replacements until after 30+ years due to normal wear and tear.

In summary, while exact figures vary based on specific circumstances, most composite asphalt roofs are designed to last up to 30 years when properly maintained — with individual components having different life spans along the way.

Are asphalt roofing composition shingles environmentally friendly? This question is increasingly concerning as the construction industry continues searching for sustainable materials. To assess this issue, it is important to consider these factors:

  • Environmental Impact of Raw Materials: What are the energy and resource requirements to produce the necessary raw material components?
  • Manufacturing Processes: Are the manufacturing processes used efficient and clean?
  • Transportation & Installation: How much pollution do transportation and installation cause?

The environmental impact of asphalt roofing composition shingle production begins with acquiring raw materials. Most commonly, these include natural stones such as quartz, granules or colored ceramic-coated stone chips; petroleum derivatives like bitumen and plastic polymers. The extraction of natural resources can be detrimental if done improperly, but modern methods have improved this process significantly over time. Furthermore, most energy required for producing asphalt components comes from renewable sources such as hydroelectricity.

Next, there is consideration of how efficiently the manufacturing processes are run to produce an effective product at minimal cost to the environment. Again modern technology has allowed companies to reduce emissions through more efficient use of machinery and better control systems that adjust according to need rather than running full power all day. In addition, many plants recycle waste products in their process so that no additional input is needed from other sources outside the plant.

Finally, there is also the factor of transport and installation, which can contribute greatly towards air pollution due to exhaust fumes from vehicles delivering materials onsite or during setup activities such as nailing down shingles on roofs. However, technological advancements have also led to improvements here – electric delivery vans are replacing diesel-powered ones. At the same time, automated nail guns ensure fewer nails are used during installation compared with manual hammering techniques.

Overall, asphalt roofing composition shingles appear to have good potential for environmental friendliness, provided they follow best practices throughout their supply chain – from sourcing raw materials to final installation on a customer’s property.

The cost of installing asphalt composition shingles is an important factor to consider when choosing roofing materials. Asphalt composition shingles are one of the most popular and economical options for residential roofs, with installation costs varying significantly depending on various factors.

One of the primary considerations in determining the total cost of asphalt shingle installation is the size of the roof. Generally, larger roofs require more material, increasing labor and material costs. Additionally, additional features such as valleys or chimneys may also require specialized attention from roofers, resulting in higher labor costs. The complexity of a roof’s design will also affect how long it takes to complete installation, thus, increasing total expenses. Furthermore, the local climate and environment must be considered when selecting appropriate products for optimal performance over time due to snow loads and extreme weather conditions.

All these aspects should be considered when assessing potential costs for installing asphalt composition shingles. Prices vary widely based on geographic location and other local factors like the availability of contractors and supply chain logistics that come into play. Ultimately, homeowners should carefully compare all available options before making a final decision about their choice of roofing materials to ensure they get good value for money while ensuring optimum performance over time.

Maintenance of asphalt roofing composition shingles is an important factor to consider when planning a new installation. Many homeowners prefer this type of shingle as it offers both durability and longevity. However, its maintenance requirements must be considered to achieve the best possible results. In this paper, we will examine the ease of maintaining these types of shingles and explore what needs to be done on a regular basis to keep them looking their best over time.

Asphalt roofing composition shingles can be easy to maintain if certain precautions are taken regularly. For example, an inspection should be performed at least once yearly to identify any damage or deterioration since installation. This includes checking for loose nails, cracks, splits and other signs that could indicate wear and tear, which may need further attention from a professional contractor. Additionally, it is important to clean off debris such as leaves and twigs with a soft-bristled brush after storms for water drainage not to become blocked by buildup.

In addition to annual inspections and seasonal cleaning, you can take additional steps to extend the life of your asphalt roofing composition shingles even further. Applying sealant around areas such as flashings and vents can help improve waterproofing capabilities. Applying protective coatings every few years can protect against UV rays and excessive moisture absorption due to rainwater runoff. If you live in an area prone to extreme weather conditions, investing in coverings specifically designed for harsh climates may also add extra protection against strong winds and hailstorms that could otherwise cause significant damage over time.

Simple steps like these and regular upkeep can help ensure your asphalt roofing composition shingle system remains in good condition for many years ahead – providing added value through increased energy efficiency and aesthetic appeal too!

Installing asphalt roofing composition shingles is an important task that should be done correctly to ensure long-term performance and durability. The best way of installation involves following the manufacturer’s instructions, using quality materials, and completing the job with care and attention.

To begin the installation process, measuring the area accurately and determining the number of shingles required is essential. It is also necessary to check for any damage on the existing roof covering before removing it completely. Once this has been completed, a layer of underlayment can be installed as part of the waterproofing system before laying down new shingles.

The next step in installing asphalt roofing composition shingles is nailing them securely into place according to recommended guidelines from the manufacturer. This includes considering local weather conditions such as wind speed, temperature extremes, potential hail impact, etc., which may require additional fastening or reinforcement measures. Finally, all flashing areas must be properly sealed with high-quality caulk or sealant after ensuring no gaps between components where water could penetrate.

Installing asphalt roofing composition shingles requires careful preparation and attention to detail throughout the process to achieve optimal results. Following the manufacturer’s instructions closely while utilizing quality materials will help ensure proper installation of these durable materials leading to greater longevity and protection against various elements that threaten roofs over time.


Asphalt roofing composition shingles are an attractive and cost-effective solution for many homeowners. They come in various styles, colors, and textures to suit any home’s aesthetic needs. These shingles can last up to 25 years or more with proper installation and maintenance. Asphalt roofing composition shingles are also environmentally friendly due to their low VOC content and recyclable nature. The cost of installing asphalt roofing composition shingles is relatively affordable, depending on the type of product chosen. Additionally, they require minimal ongoing maintenance compared to other roof systems.

When it comes to installation, there are several methods one can use when working with asphalt roofing composition shingle roofs. It is important that the installer has experience with this material, as even small errors can lead to costly repairs down the road. One should ensure that all materials used meet local building codes and be aware of any manufacturer warranties associated with the installed products.

Overall, asphalt roofing composition shingles balance aesthetics, lifespan, environmental friendliness, affordability, and ease of maintenance. When considering new roof construction or replacement projects, homeowners may have much to gain from this option over other choices available in today’s market.

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