lindab | fire dampers Fire damper WH25 Technical data Installations remote from the construction support. Rigid wall EI 120 S EI 90 S (300 Pa) (500 Pa) EI 120 – S Installation remote from the vertical rigid wall Wall min. thickness 100 mm Wall min. density 550 kg/m³ Mortar or plaster putty sealing ve (i ↔ o) Wet sealing method Ø min 100 max 315 Ø min 100 max 315 EI 120 – S Installation remote from the vertical rigid wall with Fire Batt (Weichschott) sealing Wall min. thickness 100 mm Wall min. density 550 kg/m³ Rock wool 140kg/m³ and endothermic varnish sealing ve (i ↔ o) Wet sealing method Ø min 100 max 315 Ø min 100 max 315 EI 120 – S Installation remote from the vertical light wall (plasterboard) Wall min. thickness 100 mm Wall rock wool min. density 100 kg/m 3 Rock wool 140kg/m³ and endothermic varnish sealing ve (i ↔ o) Wet sealing method Ø min 100 max 315 Ø min 100 max 315 EI 120 – S Installation remote from the vertical light wall (plasterboard) with Fire Batt (Weichschott) sealing Wall min. thickness 100 mm Wall rock wool min. density 100 kg/m 3 Rock wool 140kg/m³ and endothermic varnish sealing ve (i ↔ o) Wet sealing method Ø min 100 max 315 Ø min 100 max 315 EI 120 S Installation remote from the vertical light wall (gypsum blocks wall) Wall min. thickness 100 mm Wall min. density 995 kg/m³ Rock wool 140kg/m³ and endothermic varnish sealing ve (i ↔ o) Wet sealing method Ø min 100 max 315 Ø min 100 max 315 EI 120 – S Installation remote from the vertical light wall (gypsum blocks wall) with Fire Batt (Weichschott) sealing Wall min. thickness 100 mm Wall min. density 995 kg/m³ Rock wool 140kg/m³ and endothermic varnish sealing ve (i ↔ o) Wet sealing method Ø min 100 max 315 Ø min 100 max 315 Flexible wall Floor EI 120 S Installation remote from the floor Floor min. thickness 150 mm Floor min. density 650 kg/m³ Mortar or plaster putty sealing he (i ↔ o) EI 120 S Installation remote from the floor Floor min. thickness 100 mm Floor min. density 650 kg/m³ Mortar or plaster putty sealing he (i ↔ o) Wet sealing method Wet sealing method EI 120 S (300 Pa) Ø min 100 max 315 Ø min 100 max 315 EI 90 S (500 Pa) Ø min 100 max 315 Ø min 100 max 315 For more detailed information visit: http://www.mp3-italia.it The fire resistance classifications refer to the conditions obtained by rigorously applying the instructions indicated in the Techni- cal Manual, with reference both to the construction of the wall/ceiling and the installation of the damper. 4 We reserve the right to make changes without prior notice 2017-08-16
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