The thermal insulation is attached to the supporting structure behind the visible façade cladding. It usually consists of mineral materials such as glass or mineral wool. However, if you value sustainability and want to minimise your ecological footprint, a range of alternative insulating materials is available, such as hemp or cork. The thickness of the insulating material is variable and mostly depends on the desired insulation value. It should be noted that each building material has its own insulation values. The desired insulation value is achieved through a combination of the thickness of the insulating material and the respective façade material. The main role of the thermal insulation is to minimise the flow of heat between the living space and building exterior and to prevent thermal bridges from forming. This means that the thermal energy cannot be lost and the wall does not become cold in winter. Thermal bridges can form if there is not enough insulation. Thanks to the special design of the non-bearing, rear-ventilated façade, the thermal insulation is protected against external weather conditions. It also offers effective protection against external sound and noise.
The U-value (heat transfer coefficient) is the most important factor in terms of thermal insulation. It indicates the heat output which flows per square metre from a construction element when the temperature difference between the interior and exterior of a building is constantly 1 °C. The better the thermal insulation of a component, the lower the result of the U-value.