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What Is EPDM Roofing? (Pros, Cons, and Cost)

Posted on : July 30, 2024

What Is EPDM Roofing? (Pros, Cons, and Cost)

EPDM, ethylene propylene diene monomer, is a type of rubber roofing material used for flat or low-sloped roofs. This flat roof membrane is made from a synthetic rubber compound that's both durable and flexible.

EPDM is often used on commercial buildings but it can also be used on homes with flat roofs. The material comes in large sheets that are rolled out and sealed together to create a waterproof barrier. 

EPDM is a popular choice for buildings due to its simplicity and effectiveness in protecting structures from water damage. It is known for its black color, though white versions are also available. 

We will discuss the important things you need to know about EPDM roofs in this blog post, including the pros, cons, costs, and more.

What Are The Benefits Of EPDM Roofs?

Now that you know what EPDM is, you might wonder why it is a popular choice. EPDM roofing systems have many advantages that make them a top choice for flat roofs. Let’s take a quick look at these benefits.

Benefits Of EPDM Roofs

#1 Durable Choice For Flat Roofs

First, EPDM is very durable and can last a long time (around 30 years) with proper care. The rubber material is resistant to UV rays, which makes it a great choice for sunny areas. 

#2 Flexible And Lightweight

EPDM is also flexible, so it can handle temperature changes without cracking or splitting. 

This rubber roofing material is lightweight, making it easier to install than some other options. 

#3 Easy To Repair 

EPDM is easy to repair if it gets damaged and it often just needs a patch or sealant. 

#4 Fire Resistant And Eco-Friendly

The material is also fire-resistant, adding an extra layer of safety to buildings. Plus, EPDM is eco-friendly because it can be recycled at the end of its life.

What Are The Major Drawbacks Of EPDM Roofs?

While EPDM roofing systems have many good points, they also have some drawbacks. If you are planning to install an EPDM roof on your building, knowing these drawbacks is very important!

#1 They Are Susceptible To Damage From Sharp Objects

One main issue is that it can be punctured by sharp objects, which could lead to leaks. In areas with lots of storms, EPDM might not be the best choice as it can be damaged by hail or falling branches. Once punctured, water can seep through these small holes, potentially causing water damage to the building’s interior.

#2 Black EPDM Roofs May Absorb Heat In Sunny Regions

The black color of most EPDM roofs can absorb heat, potentially increasing cooling costs in hot climates. So if you live in sunny regions, consider installing a white EPDM roofing membrane as the color reflects the heat well. 

#3 They Can Be Slippery When Wet

EPDM gets very slippery when it's wet. This makes it risky to walk on the roof when it's raining. People could easily slip and fall, which is dangerous. It's best to avoid walking on wet EPDM roofs.

#4 They Can Leak From The Seams 

The seams between EPDM sheets can be weak points where leaks might start if they are not installed or sealed properly. These seams require special attention during installation and regular checks to ensure they remain watertight over time.

How Much Does It Cost To Install An EPDM?

The cost of installing an EPDM roof can vary based on several factors. On average, EPDM roofing costs range from $4 to $10 per square foot installed. This price includes both materials and labor. For a typical 1,500-square foot roof, the total cost might be between $6,000 and $15,000. 

They are an affordable rubber roofing material compared to other flat roof options. What affects the price most is the size of the roof, how complex the job is, and where you live. For example, the cost to install an EPDM roof in Pennsylvania can range between $4 and $13 per square foot.

Other factors that impact the final cost of your project include the removal and disposal of the old roofing materials, the thickness of the EPDM membrane, work permits, and any additional materials needed like flashing and insulation. 

How Long Does An EPDM Roof Last?

An EPDM roof can last a long time if it's installed correctly and properly maintained. Most EPDM roofs have a life expectancy of 20 to 30 years. Some high-quality membranes even last up to 50 years in ideal conditions. The thickness of the EPDM membrane affects how long it will last. While thicker membranes generally last longer, thin membranes will have a shorter lifespan but are less expensive upfront. 

Regular inspections and maintenance can help an EPDM roof reach its full lifespan. This includes cleaning the roof, checking for damage, and resealing seams as needed. 

The climate where the roof is located also plays a role in how long it lasts. Harsh sun or extreme weather can shorten the life of an EPDM roof. Using a reflective coating on the EPDM can help it last longer by protecting it from UV rays. 

Can You Install an EPDM Roofing Membrane Over The Existing Roof?

Installing EPDM over an existing roof is possible, but adding a protective layer first is required. This can be plywood, oriented strand board (OSB), or polyisocyanurate board with fiberglass backing.

However, it's usually recommended to remove the old roofing materials before installing the new membrane. While putting EPDM over an old roof might seem easier, starting fresh often prevents future problems. It may cost more initially, but it can lead to a better, longer-lasting roof installation. 

Can You Install An EPDM Roofing Membrane By Yourself?

If you have previously handled a roof installation project by yourself, then you might be able to install an EPDM roof. But there are some things to think about:

  1. Do you have the right tools? 
  2. Do you have safety equipment, including non-slip shoes, a safety harness, and a hard hat? 
  3. Can you follow the instructions exactly? 
  4. Do you know how to prepare the roof properly? 

Most of the time, it's better to hire a professional. They have the skills, tools, and experience to do the job right. They also know how to work safely on roofs.

If you install the roof yourself, you might save money at first. But if something goes wrong, it could cost a lot more to fix later. Plus, doing it yourself might void the warranty on the roofing material.

So, while you can install EPDM yourself, it's usually smarter and safer to get help from a professional roofer. They can make sure your roof is installed correctly and will last a long time.

Is EPDM A Good Choice For High-Pitched Roofs?

EPDM isn't usually the best choice for high-pitched roofs. It's made for flat or low-slope roofs and can have problems if installed on steep roofs. 

On a steep slope, an EPDM roofing membrane might slide down and become loose because it's heavy. Also, rain and snow don't run off as well as they do on other roofing types, which could lead to water problems. It is hard to install EPDM on steep slopes due to its heat-welded seams. 

For steep roofs, materials like shingles, tiles, or metal usually work better. These are made to shed water quickly and look good on angled roofs. If you have a high-pitched roof, it's best to talk to a roofer about other options. They can suggest materials that will work well for your roof's shape and keep your home dry and safe.

Call McClellands Contracting and Roofing For Your Roof Installation In Pittsburgh, PA

When you need a new roof for your home or business, it's important to choose a reliable partner. If you are looking for an EPDM roof installation in Pittsburgh or the surrounding areas, we are here to assist you. We provide custom roofing solutions that meet your specific requirements, whether it's a new installation, full replacement, or just repairs. 

We are one of the best-rated roofing companies in Pennsylvania and we pride ourselves on providing great service to every customer. We know how to work with many types of roofs, including TPO, asphalt shingles, EPDM, and metal.

A durable roof keeps your building safe and dry. That's why we focus on doing the job right every time. Our team has the skills to handle any roofing project, big or small.

Want to learn more about what we offer or need a custom quote for your roofing project? Just give us a call at (412) 353-5660. We're ready to help you get the roof you need.

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