lindab | fire dampers Fire damper WH25 Technical data Fire resistance classification according to EN 13501-3 Rigid wall Flexible wall EI 120 S – Installation within vertical rigid wall Wall min. thickness 100 mm Wall min. density 550 kg/m³ Wet sealing Mortar or plaster putty sealing method ve (i ↔ o) EI 90 S – Installation within vertical rigid wall Wall minimum thickness 100 mm Dry sealing Wall minimum density 550 kg/m³ method Plasterboard and rock wool 100 kg/m³ sealing ve (i ↔ o EI 60 S – Installation within vertical light wall (plasterboard) Wall min. thickness 100 mm Wall rock wool min. density 80 kg/m³ Dry sealing Plasterboard and rock wool 80 kg/m³ sealing method ve (i ↔ o) EI 90 S – Installation within vertical light wall (plasterboard) Wall min. thickness 100 mm Wall rock wool min. density 80 kg/m³ Dry sealing Plasterboard and rock wool 100 kg/m³ sealing method ve (i ↔ o) EI 120 S – Installation within vertical light wall (plasterboard) Wall min. thickness 100 mm Wall rock wool min. density 80 kg/m³ Wet sealing Plasterboard and mortar or plaster putty sealing method ve (i ↔ o) EI 90 S – Installation within vertical light wall (gypsum block wall) Wall min. thickness 70 mm Wall min. density 995 kg/m³ Wet sealing Plaster putty sealing method ve (i ↔ o) EI 120 S – Installation within vertical light wall (gypsum block wall) Wall min. thickness 100 mm Wall min. density 995 kg/m³ Wet sealing Plaster putty sealing method ve (i ↔ o) EI 90 S – Installation within floor Floor min. thickness 100 mm Floor min. density 650 kg/m³ Wet sealing Mortar sealing method ho (i ↔ o) EI 120 S – Installation within floor Floor min. thickness 150 mm Floor min. density 650 kg/m³ Wet sealing Mortar sealing method ho (i ↔ o) Floor EI 120 S (500 Pa) Ø min 100 max 315 - - - Ø min 100 max 315 - 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 - Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 EI 60 S (500 Pa) Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 Ø min 100 max 315 2 We reserve the right to make changes without prior notice 2017-08-16
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