Lindab RECTANGULAR Series - Page 21

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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 prole 10x41x41x41x10 mm
10. M10 nut
11. Screw Ø 6 X 20 mm
12. M6 nut
 Installations remote from the oor
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 oor as indicated in the table
and in the drawing
 Damper positioning
Connect re damper to the galvanized steel duct as indicated in the
drawing.
Install the damper with the mechanism facing away from the oor as
indicated in the drawing.
Between re damper and oor the maximum distance is 1000 mm.
The maximum length of the part of duct connected to the damper
is 2150 mm
The re damper has to be xed and suspended from the ceiling as
indicated in the drawing.
The re damper must be positioned just above the oor 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 oor and the damper using mortar suit-
able for use in re resistant constructions, M10 class or higher or
plaster putty.
Cover the duct over its entire length and re damper with 2 rock
wool panels 50 mm thick and with a density of 140 kg/m³.
Fix rst 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 classication
Hole size “D1 x D2”
[mm]
Wall minimum thickness “S”
[mm]
Sealing
EI 90 S Installation remote from the oor
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 oor
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