The Complete Guide to Flat Roofing Materials - 2023 Edition

May 17, 2023


Welcome to Bio-One Atlanta's complete guide to flat roofing materials in 2023! As a leading provider of cleaning services in the business and consumer services industry, we understand the importance of a well-maintained and durable flat roof. In this guide, we will take you through the different types of flat roofing materials, their benefits, and considerations to help you make an informed decision for your flat roof project.

1. Built-Up Roofing (BUR)

Built-Up Roofing, commonly known as BUR, is a traditional flat roofing system that has been used for decades. It consists of multiple layers of bitumen, felts, and fabric reinforcement. BUR offers excellent durability and can withstand heavy foot traffic, making it ideal for commercial buildings. However, it requires regular maintenance and can be labor-intensive to install.

2. Modified Bitumen

Modified bitumen is a popular choice for flat roofs due to its superior performance and ease of installation. It is made from asphalt and modified with polymers to enhance durability and weather resistance. Modified bitumen comes in rolls, making it easier to install compared to BUR. It can provide excellent protection against UV rays and is suitable for both residential and commercial applications.

3. EPDM Roofing

EPDM (Ethylene Propylene Diene Monomer) roofing is a synthetic rubber membrane widely used for flat roofs. It offers excellent resistance to extreme weather conditions, including hail, and can last for up to 50 years with proper maintenance. EPDM is highly flexible, making it easy to install on various roof shapes. It is also energy-efficient and can help reduce cooling costs.

4. TPO Roofing

TPO (Thermoplastic Olefin) roofing is another popular choice for flat roofs. It is a single-ply roofing membrane that provides excellent resistance against UV rays, ozone, and chemical exposure. TPO is known for its energy efficiency and is often available in white to reflect sunlight and reduce cooling costs. It is relatively easy to install and offers great value for money.

5. PVC Roofing

PVC (Polyvinyl Chloride) roofing is a durable and long-lasting option for flat roofs. It offers excellent resistance to fire, chemicals, and high winds. PVC's thermoplastic properties make it highly flexible and easy to install. It is also energy-efficient, as it can reflect sunlight and reduce heat transfer into the building. PVC roofing is commonly used in commercial applications.

6. Green Roofing

Green roofing, also known as vegetative roofing, is an environmentally friendly option for flat roofs. It involves the installation of a layer of vegetation and growing medium on top of a waterproof membrane. Green roofs offer numerous benefits, including improved insulation, reduced stormwater runoff, and enhanced aesthetic appeal. They can be customized to suit different climates and plant preferences.


Choosing the right flat roofing material for your project is crucial to ensure long-term durability and protection. Consider factors such as climate, budget, maintenance requirements, and energy efficiency when making your decision. Bio-One Atlanta is here to assist you with all your flat roof cleaning needs. Contact us today to discuss your project requirements and benefit from our exceptional cleaning services.