Last updated on March 31st, 2022
Liquid plastic roofing cost guide
Liquid plastic roofing is a cost-effective way of waterproofing your roof. Here, we’ll look at what exactly it is, why you might want it and the average liquid plastic roofing cost.
Liquid plastic roofing is a cost-effective way of waterproofing your roof. Here, we’ll look at what exactly it is, why you might want it and the average liquid plastic roofing cost.
What is liquid plastic roofing?
Liquid plastic roofing is a liquid (often based on polyurethane, natural bitumen or artificial polyester) that can be poured over your existing roof to create a waterproof coating. Liquid plastic roofing systems are usually used to fix issues with existing flat, pitched or dome-shaped roofs (although they can also be used on new roofs).
The main advantage to waterproofing your roof in this way is that it can be applied without having to remove your existing roof covering. Not only that, but the coating will make your roof watertight immediately after it has been applied, and it can even be applied in heavy rain.
| Item | Unit | Cost - low | Cost - high | Average cost |
|---|---|---|---|---|
| Materials | Per m2 | £20 | £28 | £24 |
| Labour | Per m2 | £23 | £31 | £27 |
Our costs are ballpark averages – get a local tradesperson to quote now
What’s the average cost of liquid plastic roofing?
Your liquid plastic roofing cost will depend on what kind of system you opt for. While some can be installed in one day, others need a second coat to be applied 24 hours after the first.
Typically, you’ll be looking at between £20 and £28 per m2 for materials, and around £23 to £31 per m2 for labour. That means that if you want liquid plastic roofing installed on a 30 m2 extension, you can expect to pay around £1,530 in total.
Benefits of liquid plastic roofing
There are lots of benefits to liquid plastic roofing, including the following:
- Great for projects with difficult access: Liquid plastic roofing is easy to apply to even the most difficult-to-access and oddly-shaped roofs, including around skylights.
- Cost-effective: It can be applied to a whole roof or just to individual sections. This means that if you have several issues with your roof, you can use it in place of multiple more expensive repair jobs.
- Safe: Liquid plastic roofing can be applied to roofs cold. In this way, it reduces the risk of causing fires while it’s being installed. This is especially compared with other roofing materials like felt or asphalt.
- Long-lasting: Liquid plastic roofing can last between five and 30 years depending on the environment. This makes it a durable waterproof membrane.
- Not disruptive: Installation can be carried out without causing any disruption to the inhabitants of a property.
Liquid plastic roofing cost summary
- A durable waterproofing solution.
- It can be a cost-effective way to fix issues with your roof.
- It’s a great solution for roofs that are hard to access.
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