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Official Checkatrade logo

9.87/10 (312 reviews)

Official Google logo

4.5/5 (37 reviews)

Choose A. Armstrong Roofing

For a free quote, call us or simply fill in the form below!

EPDM Rubber Flat Roofs: Everything You Need to Know

EPDM rubber flat roofs have been increasingly popular in recent years due to their outstanding durability and versatility.

Top-down photo of a freshly laid EPDM rubber roof by A. Armstrong Roofing

What Is EPDM Rubber Roofing?

EPDM (Ethylene Propylene Diene Monomer) is a synthetic rubber roofing membrane renowned for its flexibility and resilience. It’s typically black in colour and comes in large sheets, minimising the need for seams during installation. This makes it ideal for large, flat roof areas.

Whether for residential or commercial properties, EPDM rubber roofing offers a practical and cost-effective solution for flat roof designs.


In this post, we’ll explore what EPDM rubber roofing is, why it’s used, and its pros and cons, helping you decide if it’s the right choice for your home.

EPDM is frequently used for garages, extensions and commercial buildings. Its straightforward installation involves adhering the rubber sheet to a prepared surface using adhesive or mechanical fastening. 


Sheets are available in varying thicknesses, commonly 1.2mm or 1.5mm, giving property owners options for both durability and cost.


EPDM’s simple yet effective design has made it a trusted choice in the roofing industry for decades.

Why Choose EPDM Rubber Roofing?

EPDM rubber roofing installed on a property in Washington

EPDM rubber roofing has several advantages that make it an ideal choice for property owners:


  • Low-Maintenance: Unlike other roofing materials that may require frequent repairs or treatments, EPDM needs minimal upkeep, saving time and money in the long run.


  • Cost-Effectiveness: One of the most affordable flat roofing solutions, EPDM combines low material costs with ease of installation, making it budget-friendly.


  • Eco-Friendly: Made from recyclable materials, EPDM contributes to sustainable building practices. Its long lifespan further reduces waste and environmental impact.


  • Climate Suitability: The material’s flexibility allows it to withstand the expansion and contraction caused by temperature fluctuations. This makes it particularly suitable for areas like North-East England, where weather conditions can be unpredictable.


Choosing EPDM rubber roofing ensures a practical and environmentally conscious solution for flat roofs.

Cons of EPDM Rubber Flat Roofs

While EPDM has many benefits, it’s important to consider its drawbacks:


Appearance: EPDM's plain black surface may not be visually appealing to all homeowners. For those prioritising aesthetics, other roofing materials might be more suitable.


Seam Vulnerabilities: Although large sheets minimise seams, improper installation can lead to seam leaks over time. It’s crucial to hire experienced professionals for the job.


Potential for Damage: EPDM is susceptible to punctures from sharp objects or heavy foot traffic. If the roof will be regularly accessed, additional protective measures may be needed.


Specialist Repairs: When issues arise, such as punctures or seam problems, skilled professionals are required to perform effective repairs, which can add to maintenance costs.


Understanding these challenges can help you make an informed decision about whether EPDM is the right choice for your property.

Is EPDM Right for Your Home or Business?

Rooftop view of a flat roof replacement by A. Armstrong Roofing

When considering EPDM rubber roofing, it’s important to evaluate your specific needs to ensure the best results.

The size of your flat roof is a key factor; large EPDM sheets are particularly beneficial for expansive flat roof areas as they reduce the number of seams required, minimising potential weak points.

Budget is another essential consideration. EPDM offers excellent value for money, with a competitive price point. According to the tradespeople directory Checkatrade, the average cost of EPDM rubber is £80 per square metre, and the typical replacement cost is approximately £6,800 plus VAT.

For those seeking a long-term solution, EPDM’s durability ensures decades of reliable performance, making it a practical choice. Additionally, climate conditions should be taken into account. In regions like North-East England, where challenging weather is common, EPDM’s weather-resistant properties make it an ideal option.

Whether for small residential projects or large commercial installations, EPDM rubber roofing is versatile enough to cater to a wide range of requirements.


To ensure your EPDM roof performs at its best, it’s essential to follow a few key maintenance tips. Start with regular cleaning—removing leaves and debris from the surface helps prevent water pooling and reduces the risk of damage.


Perform quick checks periodically to inspect the roof for any signs of cracks, punctures, or lifting edges, especially after severe weather. Catching issues early can save you time and money in the long run.


In addition, scheduling annual inspections with a roofing professional is highly recommended. A professional can identify and address minor issues before they become major problems.


With proper care and attention, your EPDM roof will remain in excellent condition for decades, ensuring maximum lifespan and performance.

If you’re considering EPDM for your property, contact A. Armstrong Roofing for expert advice and installation -  we’re currently offering a 40% winter discount on new roofs!

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