A commercial roof is more than just a barrier against the elements; it’s a pivotal component of your property’s overall structure and value. For property owners, ensuring the durability and maintenance of your commercial roofing system is crucial. A well-maintained roof not only protects your assets but also can lead to substantial cost savings over time.
In this blog, we’ll explore the various types of commercial roofing systems available, their advantages and disadvantages, and how to select the right roof for your building.
Types of Commercial Roofing Systems
Flat Roofing
Flat roofs are a popular choice for commercial properties due to their cost-effectiveness and ease of installation. These roofs are nearly level, with just a slight pitch to allow for water drainage.
Advantages of Flat Roofing
Flat roofs offer several benefits, including affordability and simplicity. They provide additional space for HVAC units and are easier to access for repairs and maintenance. Common materials used for flat roofing include built-up roofing, single-ply roofing, and more.
Disadvantages of Flat Roofing
However, flat roofs can be prone to water pooling, which can lead to leaks and damage over time. Regular maintenance is essential to ensure proper drainage and to extend the lifespan of the roof.
Maintenance Considerations
Property owners should schedule regular inspections to catch issues early. Ensure that drainage systems are clear of debris to prevent water accumulation.
Built-Up Roofing (BUR)
Built-up roofing consists of multiple layers of bitumen and reinforcing fabrics.
Description of BUR Layers and Materials
A BUR system typically includes alternating layers of bitumen (asphalt, tar, or cold-applied adhesive) and reinforcing fabrics. The top layer is usually gravel or mineral granules.
Pros and Cons
BUR roofs are durable and provide excellent protection against water and UV rays. However, they can be heavy, requiring a strong structural foundation, and the installation process can be labor-intensive and time-consuming.
Single-Ply Membrane Roofing
Single-ply membrane roofing involves using flexible sheets of synthetic polymer.
TPO Membranes
TPO (Thermoplastic Olefin) membranes are popular for their heat-welded seams, which provide excellent durability and reflectivity.
PVC Membranes
PVC (Polyvinyl Chloride) membranes are highly resistant to chemicals and fire, making them ideal for commercial kitchens and other areas with potential chemical exposure.
EPDM Membranes
EPDM (Ethylene Propylene Diene Monomer) membranes are known for their flexibility and resistance to weathering, making them suitable for various climates.
Advantages of Single-Ply Membranes
These membranes are lightweight, easy to install, and provide strong waterproofing capabilities. They also offer energy efficiency by reflecting sunlight.
Modified Bitumen Roofing Systems
Modified bitumen roofing combines traditional roofing materials with modern polymers.
Description and Benefits
This type of roofing is highly durable and flexible, making it suitable for various weather conditions. It is also relatively easy to install and repair.
Maintenance and Longevity
Regular inspections and maintenance can help extend the lifespan of a modified bitumen roof, making it a cost-effective option for many commercial properties.
Steep Slope Roofing
Steep slope roofing includes several types such as metal, asphalt, and tile. These options offer various benefits and are suitable for different commercial applications.
Advantages of Steep Slope Roofing
Steep slope roofing systems are known for their effective water-shedding capabilities, which reduces the risk of leaks and water damage. Additionally, they often have a longer lifespan compared to flat roofing systems and can better withstand harsh weather conditions.
Disadvantages of Steep Slope Roofing
The initial installation cost for steep slope roofing can be higher than flat roofs, particularly when using materials like metal or specialized membranes. Steep slopes can also complicate maintenance and repair efforts, requiring more specialized equipment and safety precautions.
Maintenance Considerations
Routine inspections are still vital for these roofing systems. It’s essential to check for any potential damage after severe weather events and to ensure that all roofing components, such as flashing and gutters, are in good condition. Proper maintenance can help extend the life of steep slope roofs and improve their performance.
Metal Roofing
Metal roofing is a versatile option favored for its durability and longevity, making it a smart investment for commercial properties. Common metals used include steel, aluminum, copper, and zinc. Each material offers unique benefits, such as resistance to corrosion and lightweight properties.
Advantages of Metal Roofing
Metal roofs are resistant to extreme weather conditions, providing excellent protection against wind, rain, and hail. They are also fire-resistant, energy-efficient, and require minimal maintenance. Metal roofs are incredibly long-lasting, often exceeding 50 years. The long lifespan of metal roofing makes it a cost-effective choice despite the higher initial investment.
Disadvantages of Metal Roofing
The primary drawback of metal roofing is the initial cost. Additionally, repairs can be more complex and expensive compared to other roofing materials. Metal roofs can also be noisy during heavy rain or hail unless adequately insulated. However, for buildings where longevity and energy efficiency are priorities, metal roofs are an excellent choice.
Maintenance Considerations
Regular inspections should focus on identifying any signs of rust, loose fasteners, or damaged panels. Prompt repairs will help maintain the integrity of the roof and prevent more severe issues from developing.
Asphalt Roofing
Description of Asphalt Roofing
Asphalt commercial roofing systems are among the most common types of roofing materials used for steep slope roofs due to their affordability and ease of installation. This system consists of asphalt shingles, which are composed of a fiberglass or organic felt base coated with mineral granules for additional protection and aesthetic appeal.
Advantages of Asphalt Roofing
One of the primary benefits of asphalt roofing is its cost-effectiveness. Asphalt shingles are relatively inexpensive compared to other roofing materials and offer good performance for their price. They come in a variety of styles and colors, allowing for versatile design options. Asphalt roofing is also relatively lightweight, making it suitable for most buildings without requiring additional structural support.
Disadvantages of Asphalt Roofing
While asphalt shingles are affordable, they generally have a shorter lifespan compared to other roofing materials like metal or tile. They may require more frequent replacement and maintenance, especially in regions with extreme weather conditions. Asphalt roofs can also be susceptible to damage from high winds and hail, which might necessitate repairs or even a complete roof replacement in severe cases.
Maintenance Considerations
Regular maintenance for asphalt roofing includes inspections to check for missing, curled, or cracked shingles. Clearing debris from gutters and the roof surface itself is crucial to avoid water buildup, which can cause leaks and damage over time. Timely repairs of damaged shingles will help preserve the roof’s integrity and extend its lifespan. Proper ventilation and attic insulation can also prevent issues such as ice dams and improve the overall performance of asphalt roofing systems.
Tile Roofing
Tile roofing is a popular choice for commercial properties due to its aesthetic appeal and durability. Tiles are typically made from materials such as clay, concrete, or slate.
Advantages of Tile Roofing
One of the biggest advantages of tile roofing is its longevity. With proper installation and maintenance, tile roofs can last over 100 years, making them a cost-effective option in the long run. They also offer excellent fire resistance and can withstand extreme weather conditions like hail or wind. Additionally, tiles come in various shapes, sizes, and colors, providing versatile design options for commercial buildings.
Disadvantages of Tile Roofing
The main drawback of tile roofing is its weight. Not all buildings are suitable for this type of roofing, as it may require additional reinforcement to support the heavy load. The initial cost of installing a tile roof can also be higher than other materials, such as asphalt shingles. Repairs and replacements can also be more complicated and expensive due to the specialized nature of tile roofing.
Maintenance Considerations
While tile roofing requires relatively low maintenance due to its durability, regular inspections remain crucial to identify any potential issues early. This includes checking for cracked or broken tiles and ensuring the underlayment and flashing are in good condition. Additionally, it’s essential to remove any accumulated debris, such as leaves or twigs, which could trap moisture and lead to mold or mildew.
How to Choose the Right Commercial Roofing System
Choosing the right commercial roofing system is vital for protecting your property and ensuring its longevity. From built-up to metal to tile options, each type offers unique benefits and considerations.
Selecting the right commercial roofing system involves several key considerations.
Factors to Consider
Consider the climate, building use, and budget when choosing a roofing system. For example, a building in a hot climate may benefit from a reflective metal roof, while a property in a rainy area may require a more water-resistant option.
Professional Consultation and Inspection
It’s essential to consult with a professional roofing contractor who can assess your building’s specific needs and recommend the best roofing system. Regular inspections and maintenance are crucial to ensuring your roof remains in excellent condition.
Get Your Commercial Roofing System with New View Roofing
By understanding the advantages and disadvantages of each system, you can make an informed decision that meets your needs.
We encourage commercial property owners to assess their current roofing systems and seek professional advice to ensure they have the best solution in place. For expert consultation and services related to commercial roof installation, contact New View Roofing today.
New View Roofing specializes in providing top-quality commercial roofing solutions. Our team of experts is dedicated to helping you select and maintain the perfect roofing system for your property.
We offer free inspections and consultations. So whether you roof is old, has leaks, not compliant or isn’t efficient, we can asses your business and roof and provide a free estimate with your options. Call or fill out the form on our site to schedule an inspection.