Flat roofs are a common sight in modern building design. Their versatility, cost-effectiveness, and easy installation make them a popular option for residential and commercial projects. However, not all flat roofs are equal. An EPDM flat roof offers distinct advantages over other roofing materials, providing a range of benefits for building owners.

At Thermal Roof, a local Weston-super-Mare family-run business, we have many years experience when it comes to EPDM flat roofs and are happy to answer any questions you might have. In the meantime. We thought that this factual information piece might help you understand the features and benefits of the product that we use. 

Key Takeaways:

  • EPDM flat roofs are durable and designed to resist weather damage such as UV radiation and temperature extremes.
  • The reflective properties of an EPDM flat roof translate into reduced heat absorption and energy savings.
  • EPDM flat roofs are easy to maintain, requiring minimal repairs and cleaning.
  • This type of flat roofing system has a long lifespan and comes with a manufacturer’s warranty of 25 years.
  • An EPDM flat roof is a smart and eco-friendly choice for modern building design.

What is an EPDM Flat Roof?

An EPDM flat roof is a type of roofing system that is made from an incredibly durable synthetic rubber material. EPDM stands for Ethylene Propylene Diene Monomer, which is the primary component used to make the roofing membrane. This material is widely used as a roofing material for both residential and commercial structures because of its numerous benefits and cost-effectiveness.

EPDM flat roofs are designed to be lightweight, easy to install, and long-lasting. Their flexibility and ability to stretch make them ideal for flat or low-sloped roofs, where standing water and potential leaks can become problematic with other types of roofing materials. Because they can be installed in large, seamless sheets, there are fewer areas where water can seep under the roofing and cause damage to the structure below.

Compared to other roofing materials, EPDM flat roofs stand out for their low cost and ease of installation. This makes them an excellent option for property owners who are looking for a budget-friendly roofing solution with long-lasting performance and minimal maintenance requirements.


EPDM flat roofs are known for their exceptional durability and long-lasting performance. These roofing systems are designed to withstand a wide range of weather conditions, including extreme temperatures, UV radiation, hail, and heavy rainfall. Additionally, the material used is highly resistant to punctures and tears, making it an ideal choice for buildings located in areas prone to frequent storms and harsh weather.

“EPDM roofs are known for their durability and are a commonly used roofing product in the industry. This material is known for its resistance to most oils and UV rays, which makes it a popular choice for commercial roofing.”

EPDM flat roofs can last up to 50 years or more with proper maintenance, making them a cost-effective roofing solution for building owners. With regular inspections and minimal upkeep, your roof can provide reliable protection for decades to come.

Energy Efficiency 

There are also numerous energy efficiency benefits. The material has a unique reflective property that reduces the amount of heat absorbed by the building, consequently lowering cooling costs. When compared to other conventional roofing systems, EPDM reflects up to 85% of the sun’s rays. Studies also show that coated or treated EPDM roofs can reduce a building’s energy use by up to 30%. This efficiency makes EPDM flat roofs eco-friendly and a perfect choice for environmentally conscious building owners.

“EPDM roofing membranes have been shown to reduce annual energy spending by up to 25%. Depending on the size of the roof, building owners can save up to thousands of dollars annually.”

Additionally, the material used is fully recyclable, making it an ideal eco-friendly choice for those who are environmentally conscious.

Low Maintenance 

EPDM flat roofs are renowned for their low-maintenance requirements. Their seamless installation process means fewer chances of issues arising, while their resistance to mold and mildew minimizes the need for extensive cleaning.

In comparison to other roofing materials, EPDM requires less frequent repairs, and any necessary repairs are typically less labour-intensive. This makes it a convenient option for building owners who want a durable, easy-to-maintain roofing solution.

EPDM flat roofs are also designed to withstand various environmental factors, including strong winds and heavy rain, without incurring significant damage. As a result, they typically require less attention and expense over time, thus providing substantial long-term savings to the owner.

EPDM Flat Roof Installation Process

Installing an EPDM flat roof requires a specific process to ensure its durability and effectiveness over the long term. Here are the key steps involved in the installation process:

  • Roof preparation: The first step is to prepare the roof by cleaning it thoroughly and ensuring that it is free of any debris, holes, or other damage that could compromise the integrity of the EPDM membrane.
  • Measuring and cutting: Once the roof is clean and dry, the EPDM membrane is measured and cut to fit the size and shape of the flat roof area.
  • Adhering the membrane: The EPDM membrane is then glued onto the roof surface using a special adhesive that ensures a tight, seamless fit. Careful attention is paid to details such as seams and edges to ensure complete coverage and prevent any leaks.
  • Finishing details: After the EPDM membrane is in place, any necessary finishing details, such as flashings and edge trims, are added to complete the installation. These elements help to ensure that the EPDM flat roof remains secure and in excellent condition for many years to come.

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    EPDM Flat Roofs vs. Other Roofing Materials

    EPDM flat roofs are a popular roofing option for both commercial and residential buildings. They offer numerous advantages over other common roofing materials, including:


    epdm roofing

    EPDM flat roofs are also more resistant to punctures and UV radiation, making them a more durable choice in harsh weather conditions. Additionally, their reflective properties make them more energy-efficient than traditional roofing materials, reducing cooling costs and contributing to a greener environment.

    Overall, when considering flat roof options, EPDM flat roofs are a smart choice due to their durability, low maintenance, and affordability.

    EPDM Flat Roof Cost Considerations

    Before installing an EPDM flat roof, it’s important to consider the associated costs. While EPDM flat roofing can be a budget-friendly option, expenses can vary based on several factors:

    While the costs may seem substantial at first glance, there are several long-term savings potentials to consider. For example, an energy-efficient EPDM flat roof can lower your cooling costs, reduce heat absorption, and contribute to a greener environment. Plus, the durability and low-maintenance qualities of EPDM flat roofs mean less overall maintenance and repair costs in the long run.

    To budget effectively for your EPDM flat roof, it’s important to consult with an experienced roofing contractor who can assess your specific needs and provide an accurate estimate. By doing so, you can make informed decisions and choose the best option for your building and budget. At Thermal Roof, we have many years experience in installing this type of roofing system and would be happy to answer any questions you might have. 

    EPDM Flat Roof Maintenance Tips

    EPDM flat roofs are known for their durability and minimal maintenance requirements, but proper care can extend their lifespan even further. Here are some effective maintenance tips:

    • Inspect your roof at least twice a year to check for any defects or damage.
    • Clear any debris from the roof surface, gutters, and downspouts to prevent clogs.
    • Avoid using harsh chemicals or high-pressure cleaners on the roof, as they can damage the membrane.
    • Trim any overhanging branches or foliage that could scratch or puncture the roof.
    • Ensure proper drainage by keeping gutters and downspouts clear and in good condition.
    • Address any issues promptly to prevent further damage or leaks.

    By following these maintenance tips, you can help your EPDM flat roof retain its functionality and appearance for years to come.

    EPDM Flat Roof Lifespan and Warranty

    EPDM flat roofs are known for their longevity, with the average lifespan ranging from 20 to 30 years and even up to 50 years with proper maintenance. The exact lifespan of the roof will depend on factors such as installation quality, weather conditions, and maintenance practices.

    Fortunately, many manufacturers offer warranties on their EPDM flat roof materials, providing peace of mind and protection against defects or premature failure. Warranty coverage can vary depending on the manufacturer and the type of EPDM flat roof you choose, so it is important to review the warranty terms and conditions in detail before making a purchase.


    In conclusion, an EPDM flat roof offers numerous benefits that make it a popular choice for both residential and commercial buildings. Its durability, energy efficiency, low maintenance requirements, and cost-effectiveness make it a smart investment for building owners in the long term.

    By understanding the installation process, maintenance tips, and cost considerations associated with EPDM flat roofs, building owners can make informed decisions and ensure their roofs last for many years.

    Overall, an EPDM flat roof is a reliable and efficient option for those looking for a practical and convenient roofing solution.

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      Thermal Roof supply and fit EPDM flat roofs across the areas of Weston super Mare, Somerset, North Somerset, Bristol, Bath, Burnham-on-Sea and beyond. To get your free quote simply get in touch.


      What are the benefits of an EPDM Flat Roof?

      EPDM flat roofs offer several advantages, including durability, energy efficiency, and low maintenance. They are known for their long lifespan, ability to withstand various weather conditions, and eco-friendly qualities. EPDM flat roofs are also easy to install and provide cost savings over time.

      What is an EPDM Flat Roof?

      An EPDM flat roof refers to a roofing system that utilizes EPDM (ethylene propylene diene terpolymer) as the main material. This synthetic rubber membrane is widely used in commercial and residential buildings due to its cost-effectiveness, flexibility, and resistance to UV radiation.

      How durable are EPDM flat roofs?

      EPDM flat roofs are highly durable and designed to withstand various weather conditions, including UV radiation, temperature extremes, and punctures. They can last for several decades with proper maintenance, making them a reliable choice for long-lasting flat roofing solutions.

      What are the energy efficiency benefits of EPDM flat roofs?

      EPDM flat roofs have excellent energy efficiency properties. Their reflective surface helps reduce heat absorption, which in turn lowers cooling costs during hot weather. By minimizing heat transfer, EPDM flat roofs also contribute to a more eco-friendly and energy-conscious environment.

      How low maintenance are EPDM flat roofs?

      EPDM flat roofs are known for their minimal maintenance requirements. The seamless installation of EPDM membranes reduces the risk of leaks and eliminates the need for frequent repairs. Additionally, EPDM is resistant to mold and mildew, further reducing maintenance needs and ensuring hassle-free ownership.

      What is the EPDM flat roof installation process like?

      The EPDM flat roof installation process typically involves several steps. These include roof preparation, such as cleaning and ensuring a smooth surface, followed by the installation of EPDM membranes using adhesives or mechanical fasteners. Finishing details, such as flashing and edge trims, are then added to ensure a watertight seal and a professional finish.

      How do EPDM flat roofs compare to other roofing materials?

      When compared to other roofing materials, EPDM flat roofs have several advantages. Unlike built-up roofs, EPDM does not require hot asphalt or open flames during installation, making it safer. EPDM is also more flexible and resistant to cracking compared to modified bitumen. Additionally, EPDM is more cost-effective than PVC membranes while offering similar durability and energy efficiency benefits.

      What are the cost considerations for EPDM flat roofs?

      The cost of an EPDM flat roof depends on various factors, including the size of the roof, labor costs, and the type of EPDM membrane chosen. While EPDM flat roofs may have higher upfront costs than some other options, their long lifespan and energy efficiency can result in cost savings over time. It is important to carefully consider your budget and consult with roofing professionals to determine the best solution for your needs.

      What are some maintenance tips for EPDM flat roofs?

      To maintain an EPDM flat roof, regular inspections and cleaning are recommended. Check for any signs of damage, such as tears or punctures, and address them promptly. Keep the roof clean by removing debris and ensuring proper drainage. Regular gutter maintenance is also important to prevent clogs and water pooling. If you notice any issues, it is advisable to consult with a roofing professional for proper repairs.

      What is the lifespan of an EPDM flat roof, and what about the warranty?

      Typically, an EPDM flat roof has a lifespan of 30 to 50 years, depending on various factors such as installation quality and maintenance practices. Manufacturers often provide warranties ranging from 10 to 30 years, offering coverage against defects and premature failures. It is important to review and understand the warranty terms provided by the manufacturer for your specific EPDM flat roofing system.

      For more information on EPDM flat roofs, please call the team at Thermal Roof on 01934 824005.