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Minimum distances
It is recommended to keep enough space (about 200mm) for using
or replacing the control mechanism or for maintenance. Also provide
the necessary space to remove the ventilation duct from the damper
whenever necessary.
In accordance with Articles 7 and 13 of EN 1366-2 respect the mini-
mum distances indicated below.
Minimum distances
1. Side vertical wall
2. Floor
a. Distance between fire dampers installed within vertical wall
b. Distance between fire damper and vertical lateral wall / floor
c. Distance between fire dampers installed within floor
d. Distance between fire damper and vertical lateral wall
Fire dampers installed within vertical wall
Fire dampers installed within floor
Installation
a [mm]
b [mm]
c [mm]
d [mm]
Rig
id w
all
EI 90 S Installation within vertical rigid wall
Plasterboard and rock wool 100 kg/m³ sealing
50
75
-
-
EI 120 S Installation within vertical rigid wall
Mortar or plaster putty sealing
50
75
-
-
Flexible w
all
EI 90 S Installation within vertical light wall (plasterboard)
Plasterboard and rock wool 100 kg/m³ sealing
50
75
-
-
EI 120 S Installation within vertical light wall (plasterboard)
Mortar or plaster putty sealing
50
75
-
-
EI 90 S Installation within vertical light wall (gypsum blocks wall)
Plaster putty sealing
50
75
-
-
EI 120 S Installation within vertical light wall (gypsum blocks wall)
Plaster putty sealing
50
75
-
-
Floor
EI 90 S Installation within floor
Mortar sealing
-
-
50
75
EI 120 S Installation within floor
Mortar sealing
-
-
50
75
EI 180 S Installation within floor
Mortar sealing
-
-
50
75
rev 20-10
9
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