Generally all EPDM rubber is the same; different companies do different things with it, I explain and demonstrate the differences in this video.
What is EPDM rubber?
EPDM (ethylene-propylene-diene monomer) is a man made rubber that’s been around a long time. A good example is the rubber that’s used around car doors or windscreens, out in all weather and exposed to the sun for years.
Advantages of EPDM rubber:
Disadvantages of the EPDM system:
- One colour – Black
- Transfers heat down into the roof
- Looks like a patchwork quilt if fitted to a complicated roof
Good example of an EPDM roof:
Let’s look at your options if you want to replace an old roof:
Option 1: Stripping
Strip the roof of the old covering and replace with a new covering.
Now, if you start to strip the roof you get all sorts of other options open up.
- Should I have a temporary roof put up over the old roof to protect the building?
- How do I get all the old materials off the roof?
- What is the cost of dumping the rubbish?
- What is the cost of stripping the roof?
- Stripping the roof will trigger part L1B of the building regulations, and I will have to insulate the roof.
Option 2: Overlaying with EPDM rubber
- Only if the old roof is insulated or you are going to put some sort of separation barrier between the new EPDM and the old roof.
- Only if the old flat roof is smooth and is not detailed