timber structures like the new mosque in Cambridge, England, or the Swatch S1 office building in Biel are the result of those extraordinary feats of engineering [...] completely unfilled. A short explanation: Construction adhesives with a density of 1.3 g/cm³ and more are considered highly filled products. Such adhesives usually [...] meets that requirement.” The article is published in the magazine ''WirHOLZBAUER 01/2021" in German language. You can download the original article down below.
https://www.jowat.com/fr-CH/detail-de-la-salle-de-presse/timber-construction-adhesives-for-highest-requirements/