room-dividing elements only had to meet class E30, other wing-dividing door elements had to be constructed to meet fire protection classes EI30, EI60 or EI90, in accordance with the specifications provided [...] forster unico profile system for exterior constructions. The forster fuego light profile system, and in some cases also the forster unico EI30 profile system, was used for fire protection classes EI30, EI60 [...] must meet fire protection class E30. forster thermfix vario profile system selected Blaser decided to use the forster thermfix vario system for constructing the various E30 post-lock components. "The competent