The Challenge A loss in heating efficiency due to moisture and dampness ?To counter the effect of greenhouse gasses on climate change, the world must reduce its CO2 emissions by 20% by 2020. At the same time, we need to improve energy efficiency and increase the use of renewable energies at the same pace. Beyond, the European Union and many other countries have set themselves a target for reducing CO2 emissions by 80% before 2050. Residential and commercial energy efficient buildings are a key factor in achieving these goals. A high proportion of energy loss in buildings is due to moisture and dampness. In fact, outside precipitation (rain and snow) increases energy consumption when walls are not properly insulated, and interior humidity causes condensation and a loss in heating efficiency

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