Expanding grilles classed EI 120 (integrity and insulation during 120 min), in accordance with the standards EN-1634-1, to allow ventilation through compartimentation elements. FTR grilles expand at 120ºC sealing the ventilation hole, to comply with the required regulations.

FTR Rectangular expanding grille classed EI 120. Grille constructed from sodium silicate covered in PVC. 1) Mounting into the wall opening. SPECIFICATION TEXT a- Expanding grille b- Holes have to be plugged by expanding filler c- SCV Grille Supply and mounting of expanding grille for ventilation through compartimentation elements classed EI 120 (integrity and insulation during 120 min), in accordance with the standards EN-1634-1series FTR dim. LxH, constructed from sodium silicate covered in PVC. Manufacturer MADEL. EXAMPLE Ventilation of a storage room. In accordance to fire regulations, set...