Why is the U-Value of the doors important?

The U-Value of a building material measures how effectively it insulates a building, in general, the higher the U-Value the poorer the insulation properties of that material. The U-Value is a major consideration when choosing doors as the U-Value of a door will have a direct impact on how much heat is lost from your home. When advertising the U-Values, companies often publish the centre pane U-Value because it can be lower than the overall U-Value, but the key figure is the overall value. The current U-Value regulations are 1.8W/(m2K) when you are replacing existing doors and 2.0 W/(m2K) for new builds or extensions. Origin’s aluminium doors with triple glazed units can achieve U-Values of 1.32 W/(m2K), well below the level of 1.8 set by the Government, helping to keep your home at the optimum temperature, no matter what the weather is like outside.