
Wall Mounted Systems
15 Wentworth Place, Banyo Qld 4014
Step 1 Position damper centrally in penetration aperture as per system drawing with
IBS Backing Rod and temporary supports or packers.
Step 2 Apply Kilargo Intumescent Mastic (supplied separately) to the gaps between
the damper & building element. Ensure fill depth corresponds with those
detailed in the system drawing.
Step 3 Fasten mounting angles to damper with steel self-drilling screws or steel pop
rivets and, if detailed, to the building element with appropriate mechanical
fixings as per system drawing.
Step 4 Ensure product and certification labels are in a prominent position for easy
identification during subsequent maintenance inspections.
Step 5 Connect ductwork to the damper casing with AS 1682.2 compliant breakaway
joint.
IFD44-LL Series: Plasterboard
Installation Instructions:
Ducted
System Notes
• Grilles, louvres, IBS backing rod & fixings are to be supplied by others.
• Kilargo Intumescent Fire Dampers shall be installed in accordance with this detail,
including the use of Kilargo Intumescent Mastic and in accordance with the
requirements of AS1682.2.
• Ensure convenient access is provided for visual inspection and cleaning as necessary.
• 2mm Minimum gap allowable between damper and aperture. For gaps between
2-5mm, a fillet of Kilargo Intumescent Mastic shall be applied.
FRL -/90/-
System No. WP1 (a)
Building element: FR Plasterboard 1 x 16
Application: Mounted in casing DD / DG
Maximum size: 300 x 300 *without build up
FRL -/90/-
Test reference No. FAS200229
*Max size 1200 x 1200 if wall thickness is built
up locally with 100mm wide FR plasterboard to
a minimum thickness of 116mm
Duct to Duct Duct to Grille
Casing length on either
side of wall 150mm MAX.
8G x 50mm Steel Screw
Steel Tek Screw
Ductwork connected
to either side of casing
with AS1682.2 approved
breakaway joint
Kilargo Intumescent
fire damper fixed to
steel casing
Kilargo Intumescent
Mastic applied to entire
perimeter of IFD44-LL
damper (on both sides)
-2 per side for casing lengths up to 250mm
-3 per side for casing lengths 251-400mm
IBS Backing Rod
1 x 16mm FR plasterboard
both sides
Gaps between damper casing and
wall system firestopped with Kilargo
Intumescent Mastic 25mm deep.
Max fill 25mm
Minimum 0.7mm steel angles at least
twice the width of the penetration gap,
fixed to damper casing with steel screws,
bolts or pop rivets and fixed to wall with
steel fixings at maximum 150mm centre
spacing or:
0.7mm or greater
Z275 gal steel casing
positioned centrally
within aperture
Supporting noggings
fixed to vertical studs
Plasterboard penetration
lining optional
Kilargo IFD44-LL fixed into
ductwork with steel tek-screws
or pop rivets as follows:
Side Length Qty of Screws
0-100mm
101-250mm
251-400mm
401-600mm
1 set
2 sets
3 sets
4 sets
Casing length MAX 150mm
from face of the wall
Gaps between damper
casing and wall system
firestopped with Kilargo
Intumescent Mastic 50mm
deep. MAX gap 25mm
Kilargo IFD44-LL fixed into
ductwork with steel tek-screws
or pop rivets as follows: