When it comes to flat or low-slope roofs—common on garages, additions, overhangs, and even some commercial spaces—EPDM rubber roofing has become one of the most popular solutions. Known for its durability, affordability, and easy installation, EPDM stands up well to Delaware’s mix of hot summers, cold winters, and everything in between.
If you’re considering flat roofing options, this guide breaks down everything you need to know about EPDM: its key benefits, potential drawbacks, cost expectations, and how it compares to other materials.
Flat Roofing Materials: Pros and Cons of EPDM
Key Advantages of EPDM Roofing
Before deciding if EPDM is right for you, it helps to understand why so many roofing contractors recommend it. Beyond its budget-friendly price, EPDM is built for longevity and low upkeep, making it a smart investment for homeowners.
- Durability & Longevity: When properly installed, EPDM roofs can last 20–30 years or more. They resist cracking, blistering, and UV damage, which means fewer repairs over time.
- Weather Resistance: EPDM handles Delaware’s fluctuating climate—resisting leaks during heavy rains, expanding and contracting with temperature swings, and holding up against strong winds.
- Low Maintenance: Unlike other roofing systems that require frequent patching, EPDM generally needs only occasional inspections and minor seam checks.
- Ease of Installation: Lightweight and flexible, EPDM can be installed relatively quickly, reducing labor costs compared to more complex roofing systems.
- Environmentally Friendly: Many EPDM products are recyclable, making them an eco-conscious choice.
Cost Snapshot: What EPDM Roofing Costs Now
One of the biggest questions homeowners have is cost. In general, EPDM is among the most affordable flat roofing options.
- Average EPDM cost: $5–$8 per square foot installed in Delaware, depending on roof size, condition, and complexity.
- Repairs: Small patch jobs often cost just a few hundred dollars, making maintenance very affordable.
- Comparison: EPDM usually costs less upfront than PVC or TPO roofs, though those systems may offer other benefits like heat-welded seams.
Always request a detailed roofing estimate. Ask whether the cost includes tear-off of your old roofing, insulation, underlayment, and flashing. (We cover this more in our guide to roofing replacement estimates.
Pro Tip: Ask your contractor what kind of roofing underlayment will be used beneath your EPDM system. A quality underlayment adds an extra layer of protection against moisture and extends the life of your roof. (Learn more in our guide: Roofing Underlayments in New Installations).
Considerations Before Choosing EPDM
While EPDM has many strengths, it’s important to understand its limitations before committing.
- Appearance: EPDM is typically available only in black or white. Unlike asphalt shingles or metal roofing, it doesn’t offer many design options.
- Seam Maintenance: Large roofs require seaming multiple sheets together, which can be a weak point if not installed properly.
- Foot Traffic: While durable, EPDM isn’t designed to withstand heavy foot traffic. If you plan to use your roof as a deck, another material may be better.
- Ponding Water: Flat roofs sometimes struggle with water drainage. Proper installation and maintenance are key to preventing long-term issues.
For best results, always hire an experienced roofing contractor familiar with Delaware’s building codes and climate. Here’s our post on how to find the right roofing contractor.
EPDM vs. Other Flat Roofing Options
Not sure if EPDM is the right fit? Here’s how it compares:
- EPDM (Rubber Roofing): Affordable, long-lasting, and low-maintenance. Best for homeowners prioritizing function and budget.
- TPO Roofing: A single-ply membrane with reflective properties, making it more energy-efficient. Slightly more expensive than EPDM. (Read more: Top Flat Roofing Materials: EPDM & Rubber Roofs)
- PVC Roofing: Known for strength, chemical resistance, and longevity, but typically carries the highest cost.
- Modified Bitumen: Asphalt-based, strong and flexible, but requires more maintenance than EPDM.
Homeowner FAQ: EPDM Roofing
- How long does EPDM last? 20–30 years with proper installation and maintenance.
- Can I walk on an EPDM roof? Yes, but avoid heavy or frequent foot traffic. Protective walk pads can be installed if needed.
- Is EPDM good for Delaware weather? Absolutely—its flexibility and durability make it an excellent choice for both hot summers and cold winters.
- How do I maintain it? Schedule yearly inspections, clear debris, and check seams and flashing for wear.
Is EPDM Right for You?
Choosing the right flat roofing material depends on your budget, style preferences, and maintenance expectations. For many Delaware homeowners, EPDM hits the sweet spot: affordable, proven, and long-lasting when installed correctly.
At All Roofing Solutions, we specialize in flat roof installation and repair across Delaware and southeastern Pennsylvania. Whether you need a brand-new EPDM system or want an expert inspection of your current roof, we’re here to help protect your home for decades to come.
Call 302-725-ROOF (7663) in Delaware or 610-551-ROOF (7663) in Pennsylvania for a free estimate!
Why Choose All Roofing Solutions
- Family-owned and operated Delaware & Pennsylvania roofing contractor.
- Fully licensed and insured.
- Over 25 years of experience with roofing & siding installation and repair.
- A+ rated BBB member
- Complimentary Extended Material warranty
- 30-year workmanship guarantee on full roof replacements
- Lien Waiver to protect the homeowners from material liens
- Own crew—no subcontractors!
- Full-service roofer handling all types of residential and commercial roofing, windows & siding projects.
- Most re-roofing projects are completed in one day.
- Because we are efficient we are able to offer very competitive prices compared to large contractors with bigger overhead.
- Each roofing/siding project includes a meticulously performed, post-roofing inspection. We want to make sure that your roof replacement is done correctly and that it meets your complete satisfaction.
- The company owner supervises all projects to ensure high-quality workmanship.
- Customer Satisfaction Guaranteed!
