Commercial Asphalt Roof: A Comprehensive Guide for Business Owners
Choosing the right roofing system for your commercial building is a significant decision. Your roof not only protects your investment from the elements but also impacts energy efficiency, building aesthetics, and overall operating costs. Among the various commercial roofing options available, asphalt roofing stands out as a popular and versatile choice. This comprehensive guide will delve into the world of commercial asphalt roofs, exploring their types, benefits, installation considerations, maintenance requirements, cost factors, and more.
What is a Commercial Asphalt Roof?
An asphalt roof, in its simplest form, is a roofing system primarily composed of asphalt shingles. These shingles are typically made from a fiberglass or organic mat coated with asphalt and granules. While residential asphalt roofs are common, commercial asphalt roofs differ in terms of scale, complexity, and specific performance requirements.
Commercial asphalt roofs are often applied to buildings with low-sloped or steep-sloped roofs. Unlike some other commercial roofing materials suited exclusively for flat or low-sloped applications, asphalt offers flexibility in design and application, making it suitable for various architectural styles. The shingles are installed in overlapping layers, creating a watertight barrier against rain, snow, wind, and other environmental factors.
Types of Commercial Asphalt Shingles
Several types of asphalt shingles are available for commercial applications, each offering unique characteristics and performance levels. Understanding these distinctions is crucial when selecting the most appropriate roofing system for your building.
3-Tab Shingles
3-tab shingles are the most basic and economical type of asphalt shingle. They are characterized by their simple, uniform appearance with three distinct tabs per shingle. While 3-tab shingles offer a lower upfront cost, they generally have a shorter lifespan compared to other asphalt shingle types and may be less resistant to wind and impact damage. They are suitable for commercial buildings with moderate roofing needs and budget constraints.
Architectural Shingles (Dimensional Shingles)
Architectural shingles, also known as dimensional or laminated shingles, are a more premium option compared to 3-tab shingles. They feature a multi-layered construction that creates a more textured and visually appealing appearance. Architectural shingles offer enhanced durability, wind resistance, and impact resistance compared to 3-tab shingles. They are a popular choice for commercial buildings seeking a balance between cost and performance.
Luxury Shingles
Luxury shingles represent the top tier of asphalt shingle options. They are designed to mimic the appearance of premium roofing materials such as slate or wood shakes. Luxury shingles are typically thicker, heavier, and more durable than architectural shingles. They offer superior wind resistance, impact resistance, and longevity. While they come at a higher cost, luxury shingles can significantly enhance the aesthetic appeal and value of a commercial building.
Cool Roofing Shingles
In regions with hot climates, cool roofing shingles can be an excellent choice for commercial buildings. These shingles are designed to reflect more sunlight and absorb less heat compared to standard asphalt shingles. This can help reduce energy consumption for cooling and lower utility bills. Cool roofing shingles are available in various colors and styles, allowing you to achieve energy efficiency without compromising aesthetics.
Benefits of Choosing a Commercial Asphalt Roof
Asphalt roofing offers several compelling benefits for commercial building owners, contributing to its widespread popularity.
Cost-Effectiveness
Asphalt shingles are generally more affordable than other commercial roofing materials such as metal, tile, or slate. This makes asphalt roofing an attractive option for businesses looking to minimize upfront costs without sacrificing essential performance.
Ease of Installation
Asphalt shingles are relatively easy to install compared to some other roofing materials. Experienced roofing contractors can efficiently install an asphalt roof, minimizing labor costs and project timelines. The straightforward installation process also reduces the risk of errors and ensures a secure and reliable roofing system.
Versatility
Asphalt shingles are available in a wide range of colors, styles, and textures, allowing you to customize the appearance of your commercial building. Whether you prefer a traditional look or a more contemporary design, you can find asphalt shingles that complement your building’s architecture and enhance its curb appeal.
Durability
Modern asphalt shingles are engineered to withstand various weather conditions, including wind, rain, snow, and hail. Many asphalt shingles come with warranties that guarantee their performance for a specific period, providing peace of mind for business owners. The durability of asphalt shingles ensures a long-lasting and reliable roofing system that protects your investment.
Fire Resistance
Asphalt shingles offer excellent fire resistance, providing an important safety feature for commercial buildings. Most asphalt shingles have a Class A fire rating, which means they are highly resistant to fire spread and penetration. This can help protect your building and its occupants in the event of a fire.
Sound Insulation
Asphalt shingles can help reduce noise transmission from outside sources, creating a quieter and more comfortable environment inside your commercial building. This is particularly beneficial for businesses located in noisy areas or near busy roadways.
Installation Considerations for Commercial Asphalt Roofs
Proper installation is crucial for ensuring the long-term performance and durability of a commercial asphalt roof. Several factors must be considered during the installation process.
Roof Deck Preparation
The roof deck, which is the underlying structure that supports the asphalt shingles, must be in good condition before installation. Any damaged or rotted wood should be replaced to provide a solid and stable base for the shingles. The roof deck should also be clean and free of debris to ensure proper adhesion of the shingles.
Underlayment Installation
Underlayment is a protective layer installed over the roof deck before the asphalt shingles. It provides an additional barrier against moisture and helps prevent water damage to the roof deck. The type of underlayment used will depend on the slope of the roof and local building codes. Common types of underlayment include felt paper and synthetic underlayment.
Shingle Alignment and Overlap
Proper shingle alignment and overlap are essential for creating a watertight and wind-resistant roofing system. The shingles must be installed in accordance with the manufacturer’s instructions, ensuring that each shingle overlaps the adjacent shingle by the specified amount. Incorrect alignment or overlap can lead to leaks and premature roof failure.
Flashing Installation
Flashing is used to seal areas where the roof intersects with walls, chimneys, vents, and other protrusions. It prevents water from entering the building at these vulnerable points. Flashing is typically made from metal, such as aluminum or copper, and must be properly installed to ensure a watertight seal.
Ventilation
Proper roof ventilation is crucial for preventing moisture buildup and regulating the temperature of the attic or roof space. Adequate ventilation helps prevent ice dams in the winter and reduces heat buildup in the summer. Common types of roof vents include ridge vents, soffit vents, and gable vents.
Professional Installation
It is highly recommended to hire a qualified and experienced roofing contractor for the installation of a commercial asphalt roof. A professional contractor will have the knowledge, skills, and equipment necessary to ensure a proper and long-lasting installation. They will also be familiar with local building codes and regulations.
Maintenance Requirements for Commercial Asphalt Roofs
Regular maintenance is essential for extending the lifespan of a commercial asphalt roof and preventing costly repairs. Here are some key maintenance tasks to consider.
Regular Inspections
Conduct regular roof inspections, at least twice a year, to identify any potential problems early on. Look for signs of damage such as cracked, curled, or missing shingles. Also, check for leaks, water stains, and other signs of water damage.
Cleaning
Keep the roof clean and free of debris such as leaves, branches, and moss. Debris can trap moisture and promote the growth of algae and mold, which can damage the shingles. Gently remove debris with a broom or soft brush. Avoid using high-pressure washers, as they can damage the shingles.
Gutter Maintenance
Keep gutters and downspouts clean and free of debris. Clogged gutters can cause water to back up onto the roof, leading to leaks and water damage. Clean gutters at least twice a year, or more frequently if you live in an area with heavy tree cover.
Moss and Algae Removal
Moss and algae can grow on asphalt shingles, particularly in shady or damp areas. They can damage the shingles and reduce their lifespan. Remove moss and algae with a specialized roof cleaning solution or a mixture of bleach and water. Follow the manufacturer’s instructions carefully and avoid damaging the shingles.
Tree Trimming
Trim trees that overhang the roof to prevent branches from falling and damaging the shingles. Overhanging branches can also trap moisture and promote the growth of moss and algae.
Prompt Repairs
Address any roof repairs promptly to prevent minor problems from escalating into major issues. Repair or replace damaged shingles, flashing, or other roofing components as soon as possible. This will help prevent leaks and water damage.
Cost Considerations for Commercial Asphalt Roofs
The cost of a commercial asphalt roof can vary depending on several factors, including the size of the roof, the type of shingles used, the complexity of the installation, and the location of the building. It’s essential to get multiple quotes from reputable roofing contractors to compare prices and services.
Material Costs
The cost of asphalt shingles varies depending on the type and quality. 3-tab shingles are the most affordable, while luxury shingles are the most expensive. Architectural shingles offer a balance between cost and performance. Consider the long-term cost of the roofing system when selecting the type of shingles. Higher-quality shingles may have a higher upfront cost but can last longer and require less maintenance, resulting in lower overall costs over the lifespan of the roof.
Labor Costs
Labor costs for installing a commercial asphalt roof can vary depending on the complexity of the project and the experience of the roofing contractor. More complex projects, such as those involving intricate roof designs or difficult access, may require more labor and higher costs. Choose a reputable and experienced roofing contractor to ensure a proper and efficient installation.
Permit Fees
Building permits are typically required for commercial roofing projects. The cost of the permit will vary depending on the location and the scope of the project. Obtain the necessary permits before starting the roofing project to avoid fines and delays.
Disposal Fees
The cost of disposing of old roofing materials can vary depending on the location and the amount of waste. Factor in disposal fees when budgeting for the roofing project. Some roofing contractors may include disposal fees in their overall estimate.
Additional Costs
Other potential costs associated with a commercial asphalt roof project include roof deck repairs, flashing replacement, ventilation upgrades, and gutter replacement. These costs can vary depending on the condition of the existing roof and the specific needs of the building. It is best to have a comprehensive inspection done to identify these potential issues.
Comparing Asphalt Roofing to Other Commercial Roofing Options
While asphalt roofing offers numerous benefits, it’s essential to consider alternative commercial roofing options to make an informed decision. Here’s a brief comparison of asphalt roofing to other popular commercial roofing materials.
Metal Roofing
Metal roofing is a durable and long-lasting option for commercial buildings. It offers excellent fire resistance, wind resistance, and energy efficiency. However, metal roofing can be more expensive than asphalt roofing and may require specialized installation techniques. Metal roofs can also be noisy during rainstorms and may dent or scratch more easily than asphalt shingles.
TPO Roofing
TPO (Thermoplastic Polyolefin) roofing is a single-ply membrane roofing system commonly used on flat or low-sloped commercial buildings. It is a lightweight, energy-efficient, and durable option. TPO roofing is resistant to chemicals, UV radiation, and punctures. However, TPO roofing may be more expensive than asphalt roofing and may require specialized installation techniques.
EPDM Roofing
EPDM (Ethylene Propylene Diene Monomer) roofing is another single-ply membrane roofing system often used on flat or low-sloped commercial buildings. It is a durable, flexible, and weather-resistant option. EPDM roofing is relatively easy to install and offers good resistance to UV radiation and ozone. However, EPDM roofing may be more susceptible to punctures and tears than some other roofing materials.
Built-Up Roofing (BUR)
Built-Up Roofing (BUR) is a traditional roofing system consisting of multiple layers of roofing felt and asphalt. It is a durable and cost-effective option for flat or low-sloped commercial buildings. BUR roofing offers good fire resistance and weather resistance. However, BUR roofing can be heavy and may require specialized installation techniques. It is also more susceptible to leaks if not properly installed and maintained.
Finding a Reputable Commercial Roofing Contractor
Choosing the right commercial roofing contractor is crucial for ensuring a successful roofing project. Here are some tips for finding a reputable and qualified contractor.
Check Licensing and Insurance
Verify that the contractor is properly licensed and insured. A valid license demonstrates that the contractor meets the required standards and regulations. Insurance protects you from liability in case of accidents or damages during the roofing project.
Get Multiple Quotes
Obtain quotes from several roofing contractors to compare prices and services. Be sure to compare apples to apples, ensuring that each quote includes the same materials and scope of work. Don’t automatically choose the lowest quote, as it may indicate inferior materials or workmanship.
Read Reviews and Testimonials
Read online reviews and testimonials to get an idea of the contractor’s reputation and quality of work. Check websites like the Better Business Bureau, Yelp, and Google Reviews. Pay attention to both positive and negative feedback.
Ask for References
Ask the contractor for references from previous clients. Contact the references to inquire about their experience with the contractor. Ask about the quality of the work, the timeliness of the project, and the contractor’s professionalism.
Check the Contractor’s Experience
Choose a contractor with extensive experience in commercial asphalt roofing. An experienced contractor will have the knowledge and skills necessary to handle any challenges that may arise during the roofing project. They will also be familiar with local building codes and regulations.
Review the Contract Carefully
Carefully review the contract before signing it. Make sure it clearly outlines the scope of work, the materials to be used, the payment schedule, and the warranty terms. Don’t hesitate to ask questions or negotiate any terms that you are not comfortable with.
Conclusion
Commercial asphalt roofing offers a cost-effective, versatile, and durable solution for protecting your business investment. By understanding the different types of asphalt shingles, their benefits, installation considerations, maintenance requirements, and cost factors, you can make an informed decision about the best roofing system for your commercial building. Remember to choose a reputable and experienced roofing contractor to ensure a proper and long-lasting installation.