Roofing Options for Commercial Buildings 

roofing options for commercial buildings
Dec 5, 2023 Reading time : 6 min

Making the right choice in commercial roofing is akin to fortifying a structure. It’s not just about aesthetics; it’s about safeguarding an investment. One vital yet often overlooked aspect of this decision-making process is the consideration of building purlins.  

These horizontal beams play a pivotal role in ensuring the stability and load-bearing capacity of the roof. Therefore, when exploring covering options for company buildings, deciding on a material that complements and aligns seamlessly with the capabilities of purlins is relevant.

Each roofing material is based on the practicality of a flat ceiling, the durability of metal, the eco-consciousness of the green top cover, the adaptability of modified bitumen, the elegance of slate, or the versatility of asphalt shingles. These must harmonize with the supporting framework of horizontal timbers. Its synergy ensures the factory system’s longevity, safety, and functionality. 

This article will delve into the diverse roofing options available for commercial buildings while emphasizing the critical role of purlins in this decision-making process. Also, take a look at abstract approaches to interior rendering to make it more innovative with best roofing options.

Roofing Options for Commercial Buildings 


In commercial roofing, purlins are relevant in providing structural support to the roof. These horizontal beams are typically placed between the main building structure and the roof covering, helping to distribute the weight of the covering material and any additional loads, such as snow or equipment.

Timbers are significant when opting for a ceiling option for a factory building. The choice of material should align with the load-bearing capacity of the material to ensure the roof’s stability and safety. For instance, heavier cover materials like slate may require more robust purlins to support their weight effectively.

When opting for different types of roofing like flat, metal, eco-friendly, modified bitumen, slate, or asphalt shingle, ensuring that the timber supports are appropriately sized and spaced is critical. Proper coordination between the top cover material and purlin design is necessary to safeguard your business property and protect your investment in the long term. 

Besides regular inspections by roofing contractors, business owners should also take steps to remove debris, clear downspouts, and check for any signs of damage in and around the commercial building.

Flat Roofing:

Flat roofing is widely used in the business sector due to its practicality and cost-effectiveness. It is typically constructed using EPDM, TPO, or built-up roofing (BUR). Flat roofs are versatile and can accommodate rooftop equipment, making them suitable for HVAC installations and solar panels.

Flat roofs are appreciated for their affordability in terms of installation and maintenance. However, regular inspections and maintenance are required to prevent water pooling and potential leaks.

Metal Roofing: 

Metal roofing is renowned for its exceptional durability and longevity. Materials such as steel, aluminum, and copper are commonly used, offering excellent resistance to harsh weather conditions, including snow, rain, and high winds. Metal roofs are also highly fire-resistant, adding extra security to your company’s property.

While the upfront cost of this type of cover is relatively high, its long lifespan and minimal maintenance requirements often justify the initial investment.

Green Roofing: 

Green roofing has gained popularity in the commercial sector as an eco-friendly option. It involves covering the roof with vegetation, providing insulation, and reducing energy consumption. Eco-friendly roofs also assist in managing stormwater runoff, reducing the burden on drainage systems.

It contributes to a healthier environment and offers a unique aesthetic appeal, transforming your roof into a thriving garden space. However, installing and maintaining green roofs can be more complex and costly than traditional options. 

Creating a sustainable environment by investing in green by-products for roofing is a viable option for many business reasons. 

The graph below shows that in the U.S. companies are demanding green roofs and as a result, its market size will keep expanding till 2027.

U.S. Green Roof Market Size by Type from 2016-2027

Modified Bitumen Roofing: 

Modified bitumen roofing combines flexibility and strength. It is a modern take on traditional cover systems, featuring asphalt rolls with added modifiers for extra durability and weather resistance. Modified bitumen roofs are suitable for buildings in areas with extreme temperature fluctuations.

These roofs can withstand foot traffic and heavy equipment and are resistant to UV radiation. However, proper installation and maintenance are necessary to prevent cracking and ensure longevity.

Slate Roofing: 

Slate roofing is the epitome of timeless elegance. Natural slate tiles offer exceptional durability and resistance to fire, making them a secure option. They are also environmentally friendly, as they are sourced from natural stone.

It also adds a touch of prestige and refinement to any company property. However, it comes with a hefty price tag due to the labor-intensive installation process and potential structural reinforcements required. 

Asphalt Shingle Roofing: 

Asphalt shingle roofing is a versatile and budget-friendly option for factory buildings. It is easy to install and comes in various styles and colors, allowing property owners to achieve the desired look for their building.

While asphalt shingle may not offer the same lifespan as premium options, it provides reliable protection for many years. Hiring specialists for regular maintenance and timely repairs is necessary to maximize its lifespan.


In conclusion, the choice of ceiling material for business buildings is a decision that reverberates through the lifespan of the structure. It’s not merely an aesthetic selection; it’s a strategic investment in the longevity and safety of the property. 

Building purlins, the often unsung heroes of commercial roofing, underpin this decision-making process. These horizontal beams provide the structural support necessary to uphold the roof and its functions.

Even if opting for different types of materials for roofing like flat for practicality, the fortress-like durability with metal, green for eco-consciousness, the flexibility and strength of modified bitumen, the timeless elegance of slate, or the versatility of asphalt shingles, timber supports must be considered as integral components of the roofing system.

Harmonizing rooftop materials with the load-bearing capabilities of building purlins is the key to a stable and secure structure. Thus, in safeguarding your investment, remember that your choice of covering material should always align seamlessly with the foundational support provided by purlins.

Luca Thorpe
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Luca Thorpe

An all-round and proficient writer whose writings are well-researched, authentic, and engaging. He provides guides for niches such as technical, finance, green energy, technology, automation, and many more. His comprehensive approach to every draft and his unique writing styles always succeed in making the readers happy.