Having underfloor heating installed within your home can be a great way to save energy and stay warm. However, it is important to get both the screed and underfloor heating correctly installed, so that you avoid problems in the future such as floor damage, uneven surfaces and a poor finish. This link underfloor heating and screed
UFH works by pumping hot water through flexible piping in the floor which radiates heat upwards to the room. It can be used in one room, or the entire house, and is a highly efficient, environmentally friendly system. It is also easy to install in a new build property as well as being retrofitted in existing homes.
Screed is a levelling compound usually consisting of sand and cement or anhydrite chemicals. There are different types of screed available depending on the needs of your project, such as a traditional sand and cement mix, or liquid screed which can be poured directly from a mixing lorry. There are even fast-drying mixtures available which can be used for more urgent build projects.
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When laying screed around underfloor heating it is essential that movement joints are designed to allow for thermal expansion and contraction as well as to ensure that the UFH pipes are not damaged. Typically these will be at the corners of the room, along any service or column penetrations and corridors. In addition, perimeter insulation should be installed to provide a barrier against heat loss.
We recommend that you contact us if you have underfloor heating or are considering it, so that we can advise you on the most suitable type of screed for your project. The combination of both the underfloor heating and the screed must be considered at the planning stage in order to minimise potential problems.