Proper humidity and temperature play a key role in indoor climate. In the future, establishing a comfortable indoor environment may rely on porous glass incorporated into plaster, as this regulates moisture particularly well and keeps mold at bay. Almost nothing worries tenants and homeowners more than mildewed or moldy walls. The black spots are not just ugly; they also pose a danger to people’s health. More than anything else, stringent insulation standards governing living spaces can lead to more moisture, which is the main cause of mildew or mold. In 2002, the German federal government brought in energy saving regulations stating that the external components of new and renovated buildings must be made air-tight to ensure that as little heat as possible escapes. The flip side is that excess moisture becomes trapped inside. “That’s why humidity-regulating materials are becoming increasingly important,” says Ferdinand Somorowksy, researcher at the Fraunhofer Institute for Silicate Research ISC in Würzburg.Particularly fast water absorptionIn collaboration with Bayreuth University and the company Keimfarben GmbH, the researcher and his team are developing supplements for paint and plaster that have a compensating effect on indoor climate and humidity in particular. The project partners have selected artificially manufactured porous glass
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