The new wall plaster that Empa building physicist Thomas Stahl was looking for needed to be humidity regulating, mineral-based, easy to use and not much more expensive than alternative products.

Q Am I right that when sections of plaster ... or seasonal humidity cycling. It is so commonplace, in fact, that one expects to find at least some cracking in this type of wall surface.

The new wall plaster that Empa building physicist Thomas Stahl was looking for needed to be humidity regulating, mineral-based, easy to use and not much more expensive than alternative products.