Properties of magnesium oxide boards used as sheathing in exterior walls Stefanie Wøhler Nielsen, Carsten Rode, Tommy Bunch-Nielsen, Kurt Kielsgaard Hansen, Wolfgang Kunther and Bent Grelk MATEC Web Conf., 282 (2019) 02091 Published online: 06 September 2019 DOI: 10.1051/matecconf/201928202091