When you need a new roof or want to replace your current roof, you quickly arrive at two popular choices: EPDM and bitumen roofing. But what exactly is the difference? And which roofing is best for your situation?
In this blog, we explain it clear, practical and honest out, so that you can make the right choice.
What is EPDM roofing?
EPDM is a synthetic rubber that is increasingly used for flat roofs. The material is known for its flexibility, long lifespan, and low maintenance.
Advantages of EPDM:
- Very long lifespan (40-50 years)
- Can be installed seamlessly (less risk of leakage)
- Resistant to UV radiation and extreme weather conditions
- Environmentally friendly and recyclable
- Requires little maintenance
Disadvantages of EPDM:
- Higher purchase price than bitumen
- Installation requires professional knowledge
What is bitumen roofing?
Bitumen (also known as roofing felt) is a traditional form of roofing that has been used for decades. It is usually applied in strips and torched onto the roof.
Advantages of bitumen:
- Relatively inexpensive to purchase
- Strong and waterproof
- Suitable for virtually any flat roof
- Quick installation possible
Disadvantages of bitumen:
- Shorter lifespan (20-30 years)
- Seams present → greater risk of leakage
- Less environmentally friendly
- More maintenance needed
The main differences between EPDM and bitumen
| Feature | EPDM | Bitumen |
|---|---|---|
| Lifespan | 40 – 50 years | 20 – 30 years |
| Material | Rubber | Petroleum product |
| Seams | Often seamless | Multiple seams |
| Maintenance | Few | Regularly |
| Environmentally friendly | Yes | Fewer |
| Price | Higher | Lower |
When do you choose EPDM?
EPDM is the best choice if you:
- Goes for long-term investment
- want as little maintenance as possible
- A sustainable and environmentally friendly roof searches
- You want a modern solution without seams
When do you choose bitumen?
Bitumen is a good choice if you:
- A lower budget has
- want to have a roof installed quickly
- seeks a proven and traditional solution
What is ultimately the best choice?
The best choice depends on your situation:
- Do you want something cheap and functional? → Bitumen
- Do you want sustainable and low-maintenance? → EPDM
In practice, we see that more and more people are choosing EPDM, due to the long lifespan and lower costs in the long term.
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