What Is EPDM Roofing? (Benefits, Process & More)

EPDM (Ethylene Propylene Diene Monomer) roofing is a popular choice in the commercial roofing industry due to its durability, flexibility, and ease of installation. Often referred to as rubber roofing, EPDM is a synthetic rubber membrane that offers several advantages over other roofing materials. This comprehensive guide will explore the benefits, installation process, and maintenance of EPDM roofing, providing you with all the information you need to decide if it’s the right choice for your roofing needs, including:

• Understanding EPDM roofing
• Benefits of EPDM roofing
• The 6 step EPDM roofing installation process
• Maintenance and repair of EPDM roofing
• Comparing EPDM to other roofing materials

🤔 Understanding EPDM Roofing

EPDM is a type of synthetic rubber made from ethylene and propylene, derived from oil and natural gas. It was developed in the 1960s and has since become one of the most common roofing materials for low-slope or flat roofs. EPDM roofing membranes are available in a variety of thicknesses, typically ranging from 45 to 90 mils, and can be either black or white. The material is known for its exceptional weather resistance, making it suitable for various climates.

Types of EPDM Roofing

There are two main types of EPDM roofing membranes:

• Reinforced EPDM: This type includes a polyester or fiberglass scrim within the membrane, enhancing its strength and puncture resistance.
• Non-reinforced EPDM: This type is purely made of EPDM rubber, offering greater flexibility but less puncture resistance compared to reinforced versions.

✅ Benefits of EPDM Roofing

EPDM roofing offers numerous benefits, making it a preferred choice for many building owners and contractors.

Durability

One of the primary advantages of EPDM roofing is its durability. EPDM membranes can last up to 50 years with proper maintenance. They are highly resistant to UV radiation, ozone, and weathering, which prevents them from cracking or deteriorating over time. Additionally, EPDM membranes are resistant to hail and extreme temperatures, ranging from -40°F to 300°F, making them suitable for various climates.

Cost-Effectiveness

EPDM roofing is relatively inexpensive compared to other roofing materials. The cost of EPDM roofing materials and installation is lower than that of materials like TPO (Thermoplastic Olefin) or PVC (Polyvinyl Chloride). Moreover, its long lifespan means fewer replacements and repairs, further reducing long-term costs.

Energy Efficiency

EPDM membranes are available in both black and white. While black EPDM absorbs heat, which can be beneficial in colder climates, white EPDM reflects sunlight, reducing cooling costs in warmer climates. This flexibility allows building owners to choose the best option for their specific needs and can contribute to energy savings and a lower carbon footprint.

Ease of Installation

EPDM roofing is relatively easy to install, which reduces labor costs and installation time. The membranes can be installed using various methods, including fully adhered, mechanically fastened, or ballasted systems. The flexibility of EPDM allows it to conform to different roof shapes and sizes, making it a versatile option for various building types.

Environmental Friendliness

EPDM roofing is an environmentally friendly choice due to its long lifespan and recyclability. At the end of its life, EPDM can be recycled into new roofing materials or other products, reducing waste. Additionally, the energy efficiency of EPDM roofing contributes to lower energy consumption and greenhouse gas emissions.

💡 The 6 Step EPDM Roofing Installation Process

The installation process of EPDM roofing involves several steps to ensure a proper and long-lasting application. Here’s an overview of the typical installation process:

1. Roof Preparation

Before installing the EPDM membrane, the roof surface must be properly prepared. This includes removing any old roofing materials, cleaning the surface to remove debris and dirt, and ensuring the roof deck is smooth and dry. Any necessary repairs to the roof deck should be made at this stage to provide a solid foundation for the new EPDM membrane.

2. Measuring and Cutting the Membrane

The EPDM membrane should be measured and cut to fit the roof dimensions. It’s essential to allow for some overhang to ensure complete coverage of the roof and to account for any seams or overlaps. The membrane should be laid out and allowed to relax for a while to minimize wrinkles and ensure a smooth application.

3. Applying Adhesive

Depending on the installation method chosen, adhesive may be applied to the roof surface and the underside of the EPDM membrane. For a fully adhered system, a special bonding adhesive is used to secure the membrane to the roof deck. For mechanically fastened systems, fasteners and plates are used to secure the membrane, while ballasted systems use gravel or pavers to hold the membrane in place.

4. Installing the Membrane

The EPDM membrane is then carefully laid onto the roof surface, ensuring it is properly aligned and free of wrinkles or air pockets. If adhesive is used, the membrane should be pressed down firmly to ensure a strong bond. For mechanically fastened systems, the membrane is secured using the appropriate fasteners and plates, while ballasted systems require the placement of gravel or pavers.

5. Seaming and Detailing

Seams and edges of the EPDM membrane must be sealed to ensure a watertight application. This involves cleaning the seam areas, applying seam tape or adhesive, and pressing the seams together. Special attention should be given to roof penetrations, such as vents and drains, as well as edges and corners, to ensure proper sealing and flashing.

6. Final Inspection

Once the EPDM membrane is installed, a final inspection should be conducted to ensure the membrane is properly adhered, seams are sealed, and there are no wrinkles or air pockets. Any necessary adjustments or repairs should be made at this stage to ensure the roof is watertight and ready for use.

🛠️ Maintenance and Repair of EPDM Roofing

While EPDM roofing is known for its durability, regular maintenance and prompt repairs are essential to ensure its longevity and performance.

Regular Inspections

Regular inspections of the EPDM roof should be conducted, ideally twice a year and after any severe weather events. Inspections should include checking for any signs of damage, such as punctures, tears, or seam issues, as well as ensuring the roof drainage system is functioning properly.

Cleaning

Keeping the EPDM roof clean is important to prevent the buildup of debris, dirt, and algae, which can cause damage over time. Cleaning the roof with a mild detergent and water can help maintain its appearance and performance. Avoid using harsh chemicals or abrasive tools that could damage the membrane.

Prompt Repairs

Any damage to the EPDM roof should be repaired promptly to prevent further issues and maintain the roof’s integrity. Small punctures or tears can often be repaired using EPDM repair kits, which include patches and adhesive. For larger or more complex repairs, it’s best to consult a professional roofing contractor with experience in EPDM roofing.

⚖️ Comparing EPDM to Other Roofing Materials

When considering EPDM roofing, it’s helpful to compare it to other common roofing materials to understand its advantages and potential drawbacks.

EPDM vs. TPO

• Durability: Both EPDM and TPO are durable roofing materials, but EPDM has a longer track record and can last up to 50 years with proper maintenance, while TPO typically lasts 20-30 years.
• Energy Efficiency: TPO is highly reflective and energy-efficient, making it a good choice for warm climates. White EPDM offers similar energy efficiency, but black EPDM is better suited for colder climates.
• Cost: EPDM is generally less expensive to install than TPO, making it a more cost-effective option for budget-conscious projects.

EPDM vs. PVC

• Durability: Both EPDM and PVC are durable, but EPDM’s flexibility and resistance to weathering give it an edge in longevity.
• Energy Efficiency: PVC is highly reflective and energy-efficient, similar to TPO. White EPDM offers comparable energy efficiency, but black EPDM is better for colder climates.
• Cost: EPDM is typically less expensive than PVC, making it a more budget-friendly option.

EPDM vs. Asphalt Roofing

• Durability: EPDM is more durable and longer-lasting than asphalt roofing, which typically lasts 15-30 years.
• Energy Efficiency: EPDM offers better energy efficiency, especially with white membranes that reflect sunlight. Asphalt roofing tends to absorb heat, increasing cooling costs.
• Cost: While EPDM can be more expensive upfront than asphalt roofing, its longer lifespan and lower maintenance costs can make it more cost-effective in the long run.

🙌 Comprehensive EPDM Roofing Services by Embry’s Roofing

EPDM roofing is a versatile, durable, and cost-effective solution perfect for low-slope or flat roofs. At Embry’s Roofing, our team excels in providing top-notch EPDM roofing services, ensuring durability, energy efficiency, and ease of installation for your commercial or residential building. We take pride in our expertise and commitment to environmental friendliness, making us the trusted choice for your roofing needs.

Understanding the installation process, maintenance requirements, and how EPDM compares to other materials is crucial. Our knowledgeable team at Embry’s Roofing is here to guide you through every step, ensuring you make an informed decision. With proper installation and maintenance, an EPDM roof installed by us will offer reliable, long-lasting protection for decades.

Trust Embry’s Roofing for your EPDM roofing needs. Contact us today to schedule a consultation and discover why we are the team you can rely on!