kN rain impermeability according to EN 12155: RE1350 air permeability according to EN 12153: AE (>600) impact resistance according to EN 14019: E5 / I5 System properties extremely slender face with 45
kN rain impermeability according to EN 12155: RE1200 air permeability according to EN 12153: AE (>600) sound insulation according to EN ISO 140-3: Rw up to 45 dB impact resistance according to EN 14019:
testing for class R30 smoke control doors. 1979 Construction of the new tube-making facility with 12'600 m² in Arbon, Switzerland. 1981 Forster thermfix, a newly developed system for mullion/transom curtain