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Fire resistance classification
Hole size “D1 x D2”
[mm]
Damper protrusion from
the wall “E”
[mm]
Wall minimum thickness “S”
[mm]
Sealing
EI 120 S Installation within vertical rigid wall
Wall minimum density 500 kg/m³
EI 120 S
(500 Pa)
From (B+80) x (H+80)
to (B+580) x (H+580)
205
100
Mortar or plaster putty
sealing
EI 120 S Installation within vertical rigid wall
Wall minimum density 500 kg/m³
EI 120 S
(500 Pa)
From (B+80) x (H+80)
to (B+110) x (H+110)
205
100
Rock wool 100 kg/m³
with infill plasterboard
(thickness 12.5 mm)
EI 180 S Installation within vertical rigid wall
Wall minimum density 500 kg/m³
EI 180 S
(500 Pa)
From (B+80) x (H+80)
to (B+110) x (H+110)
185
140
Mortar sealing
B
Nominal base of the damper
H
Nominal height of the damper
EI 120 S / EI 180 S Installations within vertical rigid wall
1. Sealing indicated in the table
D1 Hole base: see table above
D2 Hole height: see table above
E Damper protrusion from the wall: see table above
S Wall minimum thickness: see table above
EI 120S Installation within vertical rigid wall
1. Plasterboard infill panel, thickness 12,5 mm, for rock wool sealing
2. Rock wool, 100 kg/m³
3. Self-drilling screw Ø 3,5 X 45 mm
D1 Hole base: see table above
D2 Hole height: see table above
E Damper protrusion from the wall: see table above
Installations within vertical light wall (plasterboard)
Refer to the section Construction supports characteristics for further
information.
Comply with the minimum distances indicated on section Minimum
distances
Wall opening
A opening must be provided in the wall as indicated in the table and
in the drawing
Damper positioning
Fix the four flaps code WKGY100 on the four corners of the fire damp-
er (in corrispondence to the longer screws).
Position the damper in the opening so that the side of the closing
mechanism extends as indicated in the table and in the drawing.
Filling
Fill the space between the wall and the damper as indicated in the
table and in the drawing.
Fire resistance classification
Hole size “D1 x D2”
[mm]
Damper protrusion from
the wall “E”
[mm]
Wall minimum thickness “S”
[mm]
Sealing
EI 90 S Installation within vertical light wall (plasterboard)
Wall rock wool density up to 100 kg/
m³ (optional)
EI 90 S
(500 Pa)
Da (B+75) x (H+75)
a (B+95) x (H+95)
205
100
Rock wool 100 kg/m³
with infill plasterboard
(thickness 12.5 mm)
EI 120 S Installation within vertical light wall (plasterboard)
Wall rock wool density up to 100 kg/
m³ (optional)
EI 120 S
(500 Pa)
Da (B+100) x (H+100)
to (B+580) x (H+580)
205
100
Mortar or plaster putty
B
Nominal base of the damper
H
Nominal height of the damper