SOUND-ABSORBING WINDOWS 43 dB

Technical data for standard windows:

Sound insulation class Rw (C;Ctr ) = 43 (-1; -4) dB according to EN ISO 717-1

• pine wood, meranti wood, oakwood and other, glued in three layers,
• frame dimensions: 80/68 mm, window sash dimensions: 78/68 mm,
• insulating glass units, low emission, with the heat transfer coefficient amounting to U=1.1 W/m2K,
• central and edge gasket made on the basis of ecological raw materials,
•  multipoint lock fittings from the German company named Winkhaus or SIEGENIA with anti-burglary protection and micro-ventilation,
• aluminium outer sills, frames and sashes with the thermal insert,
• painting with ecological acrylic varnishes of the Scandinavian company GORI.