壁(取り付け壁、対面シェル、および堅固な壁)に取り付けて吊り下げるための、気密/防塵/防煙検査フラップ(気密および防塵クラス4、DIN EN 1026 + 12207、吸引および圧力、DIN 18095に準拠した防煙)天井。
仕様
One inspection flap for ceiling and wall and for 4 planking thicknesses: flush-mounted diamond plate, no filling of the lid required, small opening path of the closure and low installation depth in the cavity, subsequently applicable, standard suitable for installation in masonry, fitting even when Befliesung in the sanitary area.