Haus 07B / SKP 225.4 Brandabschottungen

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Firestopping of wall and/or ceiling penetrations, horizontal and vertical, concealed and visible. Openings for electrical cables, ventilation ducts, and sanitary—heating and gas pipes; rectangular, round diameters or areas. Firestopping EI (S) 90 in concrete ceilings or shafts, as well as in calcium silicate and/or concrete walls and lightweight partition walls. Execution using 2 boards on both sides, provided with flame-retardant coatings of 50–60 mm mineral wool boards, respectively as a rigid fire barrier (hard firestopping) with special mortar. All firestoppings must be made smoke-tight and gas-tight. Firestopping of wall and/or ceiling penetrations, horizontal and vertical, concealed and visible. Openings for electrical cables, ventilation ducts, and sanitary—heating and gas pipes; rectangular, round diameters or areas. Firestopping EI (S) 90 in concrete ceilings or shafts, as well as in calcium silicate and/or concrete walls and lightweight partition walls. Execution using 2 boards on both sides, provided with flame-retardant coatings of 50–60 mm mineral wool boards, respectively as a rigid fire barrier (hard firestopping) with special mortar. All firestoppings must be made…

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