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Weber Saint-Gobain - Official website of the company


Thermal insulation is the major consideration when building or renovating a home. A home with a good energy performance preserves the well-being of its inhabitants, limits heat loss and cuts CO2 emissions.

Limiting energy loss

Temperature differences between warm and cool environments cause energy transfers from the warmer ‘side’ to the cooler. For example, energy leaks out of houses in winter. In summer, heat will penetrate the home.

This energy transfer is essentially by means of thermal bridges. They are located where there is a gap between the materials of the structure (external wall and floor, external walls and roof) and openings (doors, window, electrical conduits).

As well as energy loss, thermal bridges cause damp problems including surface condensation which causes moulds and algae to appear and the degradation of load-bearing structures.

Thermacare for thermal comfort

Weber has developed innovative solutions to improve thermal comfort in buildings. These insulation technologies can be fitted to walls or floors and include underfloor heating and innovative highly effective wall insulation solutions such as webertherm external wall insulation systems.

External wall insulation

Thermal insulation is intended to reduce heat exchange by adding a thermal insulation material between the warm environment and the cold one.

External wall insulation (EWI) is a technique of covering external walls with layers of render and insulating materials.

Screeds covering underfloor heating

Insulation is not the only way to offer good thermal comfort. Indeed some materials must have good thermal conductivity to maximise heating performance. For example, screeds covering underfloor heating must transfer the maximum heat possible.