EPDM Roof Installation (Explained in 5 Steps)
Written by
Leroy Whitt
When it comes to roofing materials, EPDM (Ethylene Propylene Diene Monomer) stands out as a popular choice for both residential and commercial buildings. With its durability, cost-effectiveness, and ease of installation, EPDM has gained widespread recognition in the commercial roofing industry.
Want to learn about EPDM roof installation? You’re in the right place. We’re breaking down:
- What EPDM is
- Installation process
- Cost considerations
- Signs indicating it’s time for a replacement
What is EPDM?
EPDM is a type of synthetic rubber roofing membrane widely used in low-slope buildings. Composed of ethylene, propylene, and a small amount of diene monomer, EPDM exhibits exceptional resistance to heat, ozone, weathering, and abrasion. This durable material is available in various thicknesses and can be installed in large, seamless sheets, making it ideal for flat or gently sloping roofs.
✅ Pros of EPDM Roofing
- Durability: EPDM roofs have a proven track record of longevity, with lifespans ranging from 25 to 30 years or more when properly installed and maintained.
- Cost-effectiveness: Compared to other roofing materials like asphalt or metal, EPDM is relatively affordable, offering excellent value for money over its lifespan.
- Low maintenance: EPDM requires minimal maintenance, typically limited to periodic cleaning and inspections, reducing long-term upkeep costs.
- Resistance to weathering: EPDM exhibits high resistance to UV radiation, ozone, hail, and temperature extremes, making it suitable for various climates.
- Flexibility: EPDM remains flexible even in cold temperatures, allowing it to expand and contract with temperature changes without cracking or tearing.
❌ Cons of EPDM Roofing
- Susceptibility to punctures: While EPDM is highly durable, it can be punctured by sharp objects, such as falling branches or debris, necessitating prompt repairs to prevent water infiltration.
- Limited color options: EPDM typically comes in black, which may absorb more heat compared to lighter-colored roofing materials, potentially leading to higher cooling costs in hot climates.
- Adhesive dependency: Proper installation of EPDM relies heavily on adhesives and seam tapes, and improper application can compromise the roof’s integrity.
Cost of EPDM Roof Installation
The cost of EPDM roof installation varies depending on factors such as roof size, complexity, local labor rates, and the quality of materials used. On average, homeowners can expect to pay between $5 to $8 per square foot for EPDM installation, including labor and materials. While EPDM’s upfront cost may be higher than traditional asphalt shingles or metal roofing, its long-term durability and low maintenance requirements make it a cost-effective investment.
Several variables influence this cost range:
- Roof Size and Complexity: Larger and more complex roofs may require additional materials and labor, potentially increasing the overall cost.
- Local Labor Rates: Installation costs can differ depending on regional labor rates and availability of experienced contractors.
- Material Quality: Higher-grade EPDM materials or additional features, such as enhanced UV resistance or better insulation, may increase the initial investment.
5 Step Installation Process
Want to know what to expect when getting your EPDM roofing material installed correctly? Here are the steps your roofing contractor will take.
1) Preparation:
The roof surface must be clean, dry, and free of debris before installation begins. Any existing roofing materials should be removed, and the substrate inspected for damage or irregularities.
2) Application of Adhesive:
EPDM sheets are adhered to the roof substrate using a compatible adhesive applied with a roller or sprayer. Careful attention must be paid to ensure proper adhesion and minimize air bubbles.
3) Seaming:
Seams between EPDM sheets are sealed using specialized seam tapes or adhesives to create a watertight barrier. Proper seam installation is critical to prevent leaks and ensure the roof’s integrity.
4) Flashing and Edge Detailing:
Flashing strips are installed around roof penetrations, edges, and transitions to provide additional waterproofing and protect vulnerable areas from water infiltration.
5) Final Inspection:
Once the EPDM membrane is fully installed, a thorough inspection is conducted to identify any defects or areas requiring additional attention. Any necessary repairs or adjustments are made before the final inspection.
Longevity of EPDM Roofing
When installed and maintained correctly, EPDM roofs can last 25 to 30 years or more. Factors that influence EPDM’s lifespan include climate, exposure to UV radiation, installation quality, and maintenance practices. Regular inspections and prompt repairs can help extend the life of an EPDM roof and maximize its performance.
Maintenance Tips for EPDM Roofing
If you’re looking to increase the lifespan of your EPDM rubber roofing, and avoid damage then maintenance is a non-negotiable. Here are our top tips:
🗓️ Regular Inspections
Inspect your roof at least twice a year for signs of damage, such as punctures, tears, or seam separation. Early detection can prevent minor issues from escalating into major problems.
🫧 Keep it Clean
Remove leaves, debris, and other foreign materials from the roof surface regularly. Accumulated debris can cause drainage issues and potentially lead to water damage.
🧰 Address Repairs Promptly
Repair any punctures, tears, or seam defects immediately to prevent water infiltration and extend the lifespan of your roof. Timely repairs are crucial for maintaining the integrity of the EPDM membrane.
🚫 Avoid Harsh Chemicals
Use only mild, non-abrasive cleaners to clean your roof. Steer clear of harsh chemicals or solvents, as they can damage the EPDM membrane and reduce its effectiveness.
🌻 Trim Vegetation
Keep overhanging branches and vegetation trimmed to prevent damage from falling debris. This also helps minimize the risk of punctures and other roof damage.
Comparing EPDM with TPO, PVC, and Metal Roofing
For building owners considering a flat roof installation, understanding the differences between EPDM, TPO, PVC, and metal can inform a wise investment. EPDM (Ethylene Propylene Diene Monomer) is known for its durability and flexibility, especially in fluctuating temperatures. It’s a cost-effective option, offering ease of installation and repair, plus excellent resistance to UV rays and ozone.
In contrast, TPO (Thermoplastic Olefin) is lauded for its energy efficiency due to its reflective surface, which reduces cooling costs. It’s also resistant to UV rays and chemicals, making it suitable for various applications, though it may be prone to shrinkage over time.
PVC (Polyvinyl Chloride) roofing is similar to TPO in terms of energy efficiency but boasts superior resistance to chemicals and fire. Its strength, however, comes at a higher cost, and it may require greater expertise during installation.
Finally, metal roofing offers unmatched longevity, often lasting 50 years or more. It’s highly resistant to weather and fire, making it a strong contender for long-term investment. However, metal roofs can be expensive and noisy during rain or hail.
Each material presents unique benefits and potential drawbacks, so consider your building’s specific needs before deciding on the right solution.
Signs It’s Time for EPDM Roof Replacement
Wondering if it is time for your roof replacement? Here are some common signs:
- Age: As EPDM roofs approach the end of their expected lifespan (typically 25 to 30 years), they may become more prone to leaks and other issues, indicating the need for replacement.
- Visible damage: Punctures, tears, or seam separation that cannot be effectively repaired may necessitate roof replacement to maintain structural integrity and prevent water damage.
- Excessive leaks: Persistent or recurring leaks, despite repairs, may indicate underlying issues with the EPDM membrane or roof substrate, warranting replacement.
- Decreased energy efficiency: An aging or damaged EPDM roof may contribute to increased heating or cooling costs due to reduced insulation or compromised waterproofing.
- Mold or mildew growth: Moisture infiltration resulting from roof damage can promote the growth of mold or mildew, posing health risks and indicating the need for replacement.
Your Local Commercial Roofing Experts
EPDM roofing offers numerous advantages, including durability, cost-effectiveness, and low maintenance requirements, making it a popular choice for residential and commercial buildings alike. By hiring a professional roofing company, homeowners can ensure proper installation and maintenance. Understanding the installation process, maintenance considerations, and signs indicating the need for replacement can help maximize the lifespan and performance of EPDM roofs, ensuring long-term protection and peace of mind.
Contact Whitt’s Quality Roofing today to learn more about our EPDM roofing installation services!