Understanding the various types of commercial roofing is crucial for contractors in choosing the right solution for their projects. This article delves into the most common and valuable types of commercial roofing options available in the industry.
What are the most common types of commercial roofing systems?
The commercial roofing industry offers a variety of systems including metal roofing, built-up roofing, modified bitumen, TPO roofing, and EPDM roofing, each with unique advantages and applications. Metal roofing is renowned for its durability, longevity, and energy efficiency, making it a preferred choice for buildings requiring permanent solutions.
These roofs consist of galvanized steel, aluminum, copper, or zinc, contributing to their impressive lifespan of 40 to 70 years, depending on the material. In addition to durability, metal roofs contribute significantly to energy savings, reflecting solar radiant heat and helping reduce cooling costs by 10 to 25%.
Metal Roofing
Metal roofing systems are highly sought after in the commercial sector for their strength and low maintenance requirements. Building owners appreciate their resistance to weathering, as these roofs withstand heavy snow, high winds, and severe storms. Furthermore, metal roofs are lightweight, which places less demand on a building’s structural integrity compared to heavier materials such as concrete tiles. Another significant advantage is their fire resistance, which adds a layer of safety and potential insurance premium reductions. The versatility of metal roofing systems cannot be overlooked, as they are available in various styles and colors to match any architectural design.
Built-Up Roofing (BUR)
Built-up roofing, often referred to by its acronym BUR, is a time-tested method of commercial roofing installation that employs multiple layers of bitumen and reinforcing fabrics. This system, also known as tar and gravel roofing, gains its waterproofing capability through alternating layers of blacktop or coal tar with roofing felt. These layers create a tough membrane designed to withstand harsh environmental conditions, extending the roof’s lifespan and reliability. Built-up roofing systems provide superb insulation and UV protection, contributing to temperature regulation within the building.
Modified Bitumen
Modified bitumen roofing combines traditional asphalt with modern polymer technologies, enhancing its strength and flexibility. This type of roofing is particularly effective in providing resistance against extreme temperatures, making it a viable option for buildings in regions experiencing volatile weather patterns. Its installation typically involves heat-welding seams or using adhesives, both of which contribute to this roof’s exceptional ability to resist leaks. Modified bitumen systems also have a robust structure that maintains performance over time, proving particularly advantageous for commercial structures.
TPO Roofing
The use of Thermoplastic Polyolefin, or TPO, roofing has seen a surge due to its cost-effectiveness and energy efficiency. Known for its single-ply design, TPO roofs are made from a blend of polypropylene and ethylene-propylene rubber, providing durability and flexibility. One of the defining features of TPO roofing is its reflective surface, which effectively deflects UV radiation and contributes to reducing heat penetration. Heat-welded seams in TPO roofing enhance its resistance to leaks and wind uplift, securing the integrity of the covering during severe weather. The eco-friendly reputation of TPO is also a significant draw, as it offers an environmentally friendly solution for energy-conscious property owners.
EPDM Roofing
Ethylene Propylene Diene Monomer, or EPDM roofing, has remained popular in the commercial space due to its outstanding weather resistance and simplicity of installation. This rubber roofing is highly effective in regions prone to hailstorms or substantial temperature fluctuations as it resists impacts and maintains its structural integrity across different climates. EPDM’s synthetic rubber membrane is exceptionally durable, with a typical lifespan reaching up to 30 years or more with proper maintenance. Its cost-effectiveness relative to other systems enhances its popularity, often aligning well with a range of budget constraints.
Conclusion
In conclusion, a comprehensive understanding of the different types of commercial roofing and their specific benefits and challenges is essential for contractors to make informed decisions and provide the best solutions to their clients. The roofing type selected will impact building performance and operations, making it crucial to consider all pertinent factors. Collaborating with experienced professionals ensures roofing systems align with organizational goals and contribute positively to infrastructure objectives. Stay abreast of industry trends and leverage technology advancements to foster sustainable, resilient commercial roofing practices for the future.



