21
D1 Hole base: see table above
D2 Hole height: see table above
1. Rock wool panel 50 mm thick with 140 kg/m³ density.
2. PROMASTOP E PASTE or HILTI CFS-S ACR type sealant
3. PROMASTOP E PASTE or HILTI CFS-CT endothermic varnish
4. Vertical wall
5. Self-drilling screw Ø 5 X 60 mm
6. Self-drilling screw Ø 5 X 120 mm
7. Washer 40 x 40 mm
8. M10 threaded rod
9. C-shaped steel profile 10x41x41x41x10 mm
10. M10 nut
11. Screw Ø 6 X 20 mm
12. M6 nut
Installations remote from the floor
Refer to the section Construction supports characteristics for further
information.
Comply with the minimum distances indicated on section Minimum
distances .
Floor opening
A opening must be provided in the floor as indicated in the table
and in the drawing
Damper positioning
Connect fire damper to the galvanized steel duct as indicated in the
drawing.
Install the damper with the mechanism facing away from the floor as
indicated in the drawing.
Between fire damper and floor the maximum distance is 1000 mm.
The maximum length of the part of duct connected to the damper
is 2150 mm
The fire damper has to be fixed and suspended from the ceiling as
indicated in the drawing.
The fire damper must be positioned just above the floor as indicated
in the drawing.
The hanging structure is composed by:
– 4 Angle connectors 105x105x90 mm
– Screws M8 x 40 mm
– Washers 15 x 9 mm
– Flush anchors M8 x 40 mm
Filling
Fill the space between the floor and the damper using mortar suit-
able for use in fire resistant constructions, M10 class or higher or
plaster putty.
Cover the duct over its entire length and fire damper with 2 rock
wool panels 50 mm thick and with a density of 140 kg/m³.
Fix first layer of rock wool panel to the duct with screws Ø5 X 60 mm
and washers 40 X 40 mm, and the second one with screws Ø5 X 120
mm and washers 40 X 40 mm.
Fill the space between rock wool panels and the the damper with
one rock wool panel with minimum thickness of 50 mm and mini-
mum density of 140 kg/m³.
The panels must be covered externally with endothermic varnish
type PROSTOP E PASTE or HILTI CFS-CT (minimum thickness of 1 mm)
and with an internal perimeter sealant type PROMOSTOP E PASTE or
HILTI CFS-S ACR (minimum thickness of 1 mm).
Fire resistance classification
Hole size “D1 x D2”
[mm]
Wall minimum thickness “S”
[mm]
Sealing
EI 90 S Installation remote from the floor
Floor minimum density 650 kg/m³
EI 90 S
(500 Pa)
From (B+70) x (H+70)
to (B+90) x (H+90)
100
Mortar or plaster putty
sealing
EI 120 S Installation remote from the floor
Floor minimum density 650 kg/m³
EI 120 S
(300 Pa)
From (B+70) x (H+70)
to (B+90) x (H+90)
150
Mortar or plaster putty
sealing
