The Building Information Foundation RTS sr EMISSION CLASSIFICATION OF BUILDING MATERIALS Xella Danmark A/S The classification working group set up by the Building Information Foundation RTS sr has approved the following product: Ytong Silka Multipor as belonging to emission class M1 for building materials. The classification is valid until April 24, 2022. Xella Danmark A/S has the right to equip its classified products with the classification mark and to use this classification mark when marketing these products. The decision is in line with the requirements laid down in the Classification of Indoor Climate 2018 and the Classification of Building Materials: General Instructions. THE BUILDING INFORMATION FOUNDATION RTS sr Markku Hedman Director General Arja Valtanen Secretary of the Classification Working Group The Building Information Foundation RTS sr, P.O.B 1004, FI-00101 Helsinki, Finland Tel. +358 207 476 400, m1.rts.fi
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