The SORIWA Multi Profile is classified as building material class E in accordance with DIN EN 13501-1 and is therefore approved for use in interior construction in Germany.
In tested wall constructions with double sheathing using a gypsum board (GKB) or a gypsum fiber board (GKF), fire resistance classes EI30 and EI60 according to DIN EN 13501-2 are achieved, depending on the design. Under German building regulations, this corresponds to fire resistance classes F 30-B and F 60-B.