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When considering roofing materials, one may come across the term EPDM. Often, it leaves many wondering what EPDM stands for in roofing. The term may seem technical and alien, but the concept isn't that complicated.
Here, we delve into what EPDM stands for, its application, advantages, and more.
What Does EPDM stand for in Roofing?
EPDM stands for Ethylene Propylene Diene Monomer, a synthetic rubber roofing material commonly used in residential and commercial buildings. An EPDM roof consists of a large sheet of this durable material, making it a popular choice for flat or low-sloped roofs. It's also called an EPDM rubber roof or simply an EPDM roof.
EPDM, ethylene propylene diene terpolymer, is a rubber membrane, typically black or white, which can either be fully adhered, mechanically attached or loose-laid. A fully adhered EPDM roofing system involves using a special adhesive to bind the EPDM material to the roof's surface. On the other hand, a ballasted EPDM roof uses concrete pavers or stone to hold the EPDM roofing membrane in place.
The synthetic rubber roofing material can be manufactured in various thicknesses, with the thicker material offering superior durability against elements such as falling debris or harsh weather conditions. It's a much better roofing solution for many people than average asphalt shingle materials.
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Where is EPDM Roofing Used?
Due to its versatility and resilience, EPDM roofing is employed extensively in different settings. For instance, you might find an EPDM rubber roofing system in commercial buildings where large sheets of EPDM material cover vast, flat roof spaces.
Another place you will find an EPDM roofing product is on residential roofs, particularly for houses with flat or low-slope roofs. Homeowners also use it for patio roofs. Thanks to its eco-friendly properties, you may occasionally find EPDM roofing material used in more unconventional roofing projects like a living roof.
Exploring the Benefits of EPDM Roofing
Should you choose the EPDM roofing system for your next building project? The simplest answer is yes. EPDM is a very attractive roofing material. Here are the reasons why it's suitable.
Exceptional Durability
One of the most attractive features of EPDM roofing is its remarkable durability. This synthetic rubber roofing material can withstand the elements, including harsh weather, UV radiation, and ozone exposure. A well-constructed EPDM roof can last for a very long time. It can function effectively in a wide range of temperatures, making it a suitable choice for both hot and cold climates.
Energy Efficiency
Another significant advantage of EPDM flat roofs is its energy efficiency. A white EPDM membrane reflects the sun's heat, helping to reduce cooling costs in hotter climates. Conversely, a black EPDM roof absorbs heat, lowering heating bills in colder regions. This adaptability is part of why EPDM roofing is such a popular choice for different types of buildings and geographical locations.
Cost-Effective Roofing Solution
EPDM roofs are more cost effective than traditional roofing materials such as asphalt shingles. Not only is the cost per square foot of EPDM roofing installation typically lower, but considering its longevity, the long-term savings are even more substantial. A well-maintained EPDM roof can last up to 40 years, which translates to excellent value for money.
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Minimal Maintenance
EPDM roofing systems require relatively little maintenance, adding to their appeal. Routine inspections by a professional roofing contractor are recommended to ensure the system's longevity, but beyond that, these roofs typically demand little in terms of upkeep.
Fire Resistance
Safety is crucial in any building, and EPDM roofing contributes positively in this area. EPDM material is fire retardant, offering additional protection for your property.
Ease of Installation
If you are familiar with flat roofs, you should know they are quite easy to work with. The flexibility of EPDM material also makes it relatively easy for a roofing contractor to install around rooftop installations or irregular roof shapes. This ease of installation can contribute to lower labor costs.
Installation Over Existing Roof
One final benefit to consider is that, in many cases, an EPDM roof can be installed directly over an existing roof. This approach can save significant money on removal and disposal costs, making it a more environmentally friendly and economical choice.
What Are the Limitations of EPDM Roofs
Like any other roofing material, EPDM roofs, while offering numerous benefits, do have certain limitations. Understanding these drawbacks can help you decide whether an EPDM roofing system fits your property.
Vulnerability to Punctures and Tears
One of the major limitations of EPDM roofing is its susceptibility to punctures and tears. While EPDM roofing is designed to be durable and withstand harsh weather conditions, it can get damaged by falling debris or heavy foot traffic. Therefore, if your roof is frequently accessed for maintenance of HVAC systems or other installations, you might need to take extra precautions to protect your EPDM rubber roof.
Installation Challenges
The installation of EPDM roofing requires a high level of skill and experience. If improperly installed, the EPDM roofing membrane can result in leaks, resulting in potential water damage to the structure. Furthermore, seams between large sheets of EPDM material can present vulnerabilities if not adequately sealed. Thus, choosing a reputable and experienced roofing contractor is crucial when considering an EPDM roofing system.
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Aesthetics
While functionally advantageous, some property owners may find the look of EPDM roofing less appealing compared to traditional roofing materials, such as asphalt shingles or metal sheets. Typically available in black or white, the color options for EPDM roofs are limited, which might not suit everyone's aesthetic preferences.
Heat Absorption
Black EPDM roofs, while excellent for absorbing heat in colder climates, can also contribute to higher cooling costs in hotter regions due to their heat absorption. On the other hand, while a white EPDM membrane reflects the sun's heat and is more suitable for hotter climates, it may not be as beneficial for properties in colder areas where heat absorption is desirable.
What is the Cost of EPDM Roofing
One of the main advantages of EPDM roofs is their cost efficiency. We have broken down the total cost to help you make a more informed decision.
Material Cost
The cost of EPDM roofing begins with the material itself. The EPDM roofing material can range from $1.50 to $2.50 per square foot. This cost varies depending on factors such as the thickness and quality of the EPDM material chosen.
The Thickness of the Material
The thickness of the EPDM material plays a significant role in determining the overall cost. Thicker EPDM material, which provides superior durability and lifespan, will typically be more expensive.
Labor Cost
In addition to material costs, labor expenses significantly influence the total price of an EPDM roof. The complexity of the installation primarily determines labor costs and can add an additional $1.00 to $1.50 per square foot to the total price.
The complexity of Installation
The complexity of your roof can substantially impact the labor cost. If your roof has multiple penetrations, such as chimneys, skylights, or vents, or if it has an irregular shape, the installation could be more labor-intensive and subsequently more expensive.
Total Cost
Taking into account both materials and labor, the total cost of installing an EPDM roof can range from $2.50 to $4.00 per square foot. However, it's essential to remember that these prices can vary depending on regional differences, the specific products used, and the exact services your chosen roofing contractor offers.
Consideration of Long-Term Savings
While the upfront cost is a significant factor, you should also consider the long-term savings associated with an EPDM roof. Thanks to its energy efficiency, durability, and low maintenance requirements, an EPDM roof can result in reduced energy costs and maintenance expenses over time. Hence, an EPDM roof can be a wise investment that pays off over the long run.
Conclusion
Understanding what EPDM stands for in roofing and its benefits will empower you to decide on your next roofing installation or replacement project. While EPDM roofing offers various benefits, including durability, cost-effectiveness, and energy efficiency, it has limitations. It's essential to weigh these factors and consult a professional roofing contractor to determine if an EPDM roof is the best choice for your needs.
Working with a reputable roofing contractor like Equity Roofs promises all the benefits of EPDM roofing. The company has great experience in offering the best roofing solutions.
Read also our blog on Do Gutters Have to Be Removed When Replacing a Roof?.