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How to install underfloor heating on concrete floor


Concrete floors are a popular choice for many homeowners as they are durable and easy to maintain. However, one drawback of concrete floors is that they can be quite cold, especially in the winter. If you’re looking for a way to keep your feet warm and toasty this winter, you may consider installing underfloor heating. Underfloor heating is a type of radiant heating installed beneath the floor. It works by circulating warm water through a system of pipes to heat the floor from underneath. This type of heating is very efficient, and you can use various flooring materials, including concrete. Consequently, if you want to install underfloor heating in your home, this guide will show you how to do it. This video blog will cover everything about how to install underfloor heating on concrete floor. At the same time, you will also learn about planning, installation and maintenance steps.

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Can you install in floor heating on top of concrete?

Concrete is an ideal material for flooring because it is durable and easy to maintain. However, one downside of concrete is that it can be quite cold, making walking on bare feet uncomfortable. Therefore, a solution to this problem would be installing floor heating. But, can you install in floor heating on top of concrete? The answer is yes, but there are a few things to remember. Firstly, you must ensure that the concrete is thick enough to support the floor heating system. Secondly, you will need to insulate the concrete to prevent heat loss. Finally, you will need to choose the right floor heating system for your needs. If you follow these steps, you can have a warm and comfortable concrete floor in no time. If you check out our blogs, you will find an article on how to lay electric underfloor heating.

How to install underfloor heating on concrete floor

  • This guide will help you with how to install underfloor heating on concrete floor.
    • Insulation Installation – Firstly, you need proper insulation. You will need to decide on the type of insulation you want and your budget. However, this is crucial for getting the best out of your underfloor designs. You should insulate your loft, walls, and floors to stop heat from escaping quickly. Insulating areas where heat can naturally escape when you work with polished concrete flooring is important. There are many conventional insulation methods of how to install underfloor heating on concrete floor, including rigid foam insulation, foil-backed insulation, and foam spray insulation.
    • Installation of Polystyrene Boards – Next is the installation of the polystyrene board. Although these boards offer good insulation, it is important to be aware of their thickness as they can compromise the room’s height if they become too thick. It is important to remember that underfloor coils should not be run directly on concrete floors without first laying insulation. Otherwise, most of the heat will not reach the floor.
  • Installation of the Heating Pipes – Next, attach the heating pipes to the insulation boards. Make sure to place the coils close together to ensure a balanced heat output. Please keep them close to each other to avoid cold spots.
  • Place A Layer Of Screed On Top Of The Pipework – Next, place a layer screed on top of the pipework. The screed is usually made of cement and sand. It is placed over the pipework to protect it from any possible damage caused by furniture or traffic.
  • Floor Finishes – You can choose from many different flooring options for underfloor heating. Depending on your budget and what you want, tiles, wooden boards, or carpet can add to the floor.

How do you prepare a concrete floor for underfloor heating?

Concrete is ideal for underfloor heating as it conducts heat well and is easy to install. However, before installing underfloor heating on a concrete floor, a few steps you should take on how to install underfloor heating on the concrete floor. First, the concrete floor must be clean and free of debris or dirt. Next, you should repair any cracks or holes in the floor. Once you prepare the floor, then you can install the underfloor heating system. Moreover, preparing a concrete floor for underfloor heating is a simple process, but it’s important to ensure the floor is properly prepared before installation. By taking the time to do this, you can ensure that your underfloor heating system will work properly and last many years.

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Consider extra thickness

Concrete thickness can affect how evenly the heating is dissipated and how fast the floor heats up. Keeping the concrete layer between 50mm and 75mm is important. It is recommended to use a perimeter joint around the floor. When it comes to holding everything in place, perimeter joints can be very useful. This will ensure that nothing is lost when installing insulation, heating systems, and concrete.

Concrete cracking is a serious problem

Concrete cracks easily if moisture isn’t evaporated slowly. You can help by keeping the room ventilated and spraying concrete with water daily for the first week. Alternatively, in case you have wondered about other ways to heat up your home, consider this. Our blog titled what is a zoned heating system? will give you an idea.

Talk to a concrete specialist for underfloor heating

A concrete expert can help you with questions about installing the underfloor system or laying the concrete. These experts are familiar with concrete and can guide you on how to apply concrete perfectly.

Hire experienced heating engineers

It’s fine to be able to handle everything except the heating system, but it’s better to hire heating engineers to take it all. However, it’s not a good idea to try to do everything and find faults that cause you to have to remove the flooring. It can be challenging to retrofit underfloor heating. So, don’t be afraid to ask for help. On the contrary, you might also need to stay updated on issues that tend to arise now and then. Ever had a radiator problem? Have you had to ask yourself – why is my radiator not working? Then check out that blog.

How much does it cost to heat a concrete floor?

The cost of heating a concrete floor depends on several factors, including the size of the floor, the climate, the type of heating system, and the insulation. In most cases, heating a concrete floor can start at £40 per square foot. However, these prices would differ upon the type of underfloor heating you go for.