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The 5 Most Common Roof Coverings for Commercial Buildings

Commercial Building Inspection

  1. Built-Up Roofing (BUR): Definition: Built-up roofing, commonly known as BUR, is a traditional and reliable choice for commercial buildings. Construction: BUR consists of multiple layers of bitumen alternated with reinforcing fabrics and topped with a layer of aggregate or coating. Advantages: Excellent durability, weather resistance, and the ability to withstand foot traffic. BUR is also known for its cost-effectiveness over the long term.

  2. Single-Ply Membrane Roofing: Types: Single-ply roofing comes in two main types - TPO (Thermoplastic Olefin) and EPDM (Ethylene Propylene Diene Monomer). Characteristics: TPO is known for its energy efficiency and reflective properties, while EPDM offers superior flexibility and weather resistance. Advantages: Single-ply membranes are lightweight, easy to install, and cost-effective. They are also resistant to UV rays and chemicals, making them a popular choice for various commercial applications.

  3. Metal Roofing: Materials: Metal roofing can be made from steel, aluminum, zinc, or copper. Advantages: Known for its longevity, low maintenance, and energy efficiency. Metal roofs are also fire-resistant and can be recycled at the end of their lifespan, making them an eco-friendly option. Additionally, metal roofing can provide a sleek and modern aesthetic.

  4. Modified Bitumen Roofing: Composition: Modified bitumen is an evolution of traditional BUR, incorporating polymer-modified bitumen sheets. Advantages: This roofing type combines the durability of BUR with the flexibility of a single-ply membrane. Modified bitumen roofs are resistant to damage from foot traffic, punctures, and extreme weather conditions.

  5. Green Roofing: Concept: Green roofing involves the installation of a living system on the roof, including vegetation and a growing medium. Advantages: Green roofs offer energy efficiency by providing insulation and reducing the urban heat island effect. They also contribute to stormwater management, air quality improvement, and enhanced aesthetic appeal. Green roofing aligns with sustainable building practices and can potentially increase property value.

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