The Commercial buildings often have unique roofing needs, requiring durable, long-lasting roofing systems to protect the property and its occupants. While several types of commercial roofing systems are available, some are more common than others due to their affordability, versatility, and performance. In this guide, we’ll delve into the most common types of commercial roofing systems, highlighting their features, benefits, and suitability for various applications, all while emphasizing the expertise of Roofing Contractor Roofing Company Ottawa in installing and maintaining these systems. Whether you need a flat roof, metal roof, or another type of commercial roofing solution, partnering with a reputable roofing company ensures that your property receives the quality craftsmanship and reliable service it deserves.
1. Built-Up Roofing (BUR)
Built-up roofing, also known as tar and gravel roofing, is one of the oldest and most common types of commercial roofing systems. BUR systems consist of multiple layers of bitumen (asphalt or coal tar) alternating with layers of reinforcing fabric or felt. These layers are built up to create a durable, waterproof membrane that provides excellent protection against the elements.
Features:
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Multiple layers of bitumen and reinforcing fabric
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Gravel or mineral surfacing for added durability and UV protection
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Can accommodate heavy foot traffic and equipment
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Suitable for flat or low-slope roofs
Benefits:
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Excellent durability and weather resistance
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Long lifespan of up to 30 years with proper maintenance
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Cost-effective option for large commercial buildings
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Resistant to fire, wind, and UV radiation
2. Single-Ply Membrane Roofing
Single-ply membrane roofing systems are another popular choice for commercial buildings due to their ease of installation, versatility, and cost-effectiveness. These roofing systems consist of a single layer of synthetic membrane made from materials such as EPDM (ethylene propylene diene monomer), TPO (thermoplastic polyolefin), or PVC (polyvinyl chloride). Single-ply membranes are lightweight, flexible, and resistant to UV radiation and chemicals. Shingle Repair Ottawa professionals are also experienced in installing and repairing single-ply membrane roofing systems, ensuring that your commercial property remains protected and functional. Whether you require shingle repair in Ottawa or installation of single-ply membrane roofing, trust the expertise of skilled professionals to meet your roofing needs effectively.
Features:
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A single layer of synthetic membrane
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Available in various thicknesses and colours
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Heat-welded or adhered seams for watertight seals
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Reflective surfaces for energy efficiency
Benefits:
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Quick and easy installation, reducing labour costs
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Lightweight and flexible, suitable for a wide range of roof designs
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Resistant to punctures, tears, and chemical damage
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Energy-efficient with cool roof options available
3. The Metal Roofing
Metal roofing is a durable and versatile option for commercial buildings, offering excellent protection against weather extremes and environmental hazards. The Metal roofing systems are available in a variety of materials, including steel, aluminium, copper, and zinc, each with its own unique characteristics and aesthetic appeal. Metal roofs can be installed as standing seam panels, corrugated sheets, or shingles, providing flexibility in design and application.
Features:
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A variety of metal materials, including steel, aluminium, copper, and zinc
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Available in different profiles, including standing seam, corrugated, and shingles
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Long lifespan of up to 50 years or more with proper maintenance
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Reflective surfaces for energy efficiency
Benefits:
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Exceptional durability and weather resistance
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Lightweight yet strong, suitable for both low-slope and steep-slope roofs
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Resistant to fire, wind, hail, and corrosion
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Recyclable and environmentally friendly
4. Modified Bitumen Roofing
The Modified bitumen roofing is a popular choice for commercial buildings with low-slope or flat roofs, offering enhanced durability and flexibility compared to traditional built-up roofing systems. Modified bitumen membranes are composed of asphalt or coal tar reinforced with fiberglass or polyester mats and modified with rubber or plasticizers for added flexibility and strength. These membranes are typically installed in multiple layers and sealed with heat or cold adhesives.
Features:
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Asphalt or coal tar membranes modified with rubber or plasticizers
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Reinforced with fiberglass or polyester mats
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Available in peel-and-stick, torch-down, or cold-adhesive application methods
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Reflective surfaces for energy efficiency
Benefits:
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Superior weather resistance and durability
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Excellent flexibility and elongation properties
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Resistant to punctures, tears, and chemical damage
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Easy and cost-effective repairs and maintenance
5. Spray Polyurethane Foam (SPF) Roofing
Spray polyurethane foam roofing is a seamless, monolithic roofing system that provides excellent insulation and waterproofing properties. SPF roofing systems consist of a layer of closed-cell polyurethane foam sprayed onto the roof substrate, followed by a protective coating or elastomeric topcoat. SPF roofing adheres to virtually any substrate and can be installed over existing roofing materials, making it an ideal choice for retrofit projects.
Features:
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Seamless, monolithic roofing system
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Excellent insulation and energy efficiency
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Lightweight yet strong, with high compressive strength
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Can be sprayed onto virtually any substrate
Benefits:
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Superior insulation properties, reducing energy costs
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Seamless and fully adhered, eliminating seams and joints
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Resistant to leaks, cracks, and water damage
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Long lifespan of up to 50 years with proper maintenance
Conclusion
In conclusion, the most common types of commercial roofing systems offer a range of features, benefits, and applications to suit various property needs and budget considerations. Whether you opt for built-up roofing, single-ply membrane roofing, metal roofing, modified bitumen roofing, or spray polyurethane foam roofing, it’s essential to work with experienced roofers who can assess your property’s requirements and recommend the best solution for your specific needs. By investing in quality roofing materials and professional installation, you can ensure the long-term durability, performance, and protection of your commercial building.
