5
In addition, access to the front of the
chimney breast may be required, via a hole,
for fixing the flue pipe and back filling.
4.5 HEARTH
The appliance must be installed on a
hearth that can take the weight and is of a
non-combustible material.
Ensure that when installing the appliance,
the following regulations are met:
IRL - Building Regulations 1997, Technical
Guidance Document 5, states that the
hearth must extend in front of the
appliance by 500mm and to the sides
by 150mm.
UK- Building regulations for class 1
appliances state that the hearth must
extend in front of the appliance by
300mm and to the sides by 150mm.
4.6 CHIMNEY/FlUE
In order for the appliance to have sufficient
draw to perform satisfactorily, a height of
no less than 4.5 meters, vertically from the
top of the appliance to the top of the
chimney, is required. Alternatively,
chimney design with sufficient draught
can be calculated, in accordance with
EN13384-1.
The existing chimney must be checked
before installing the appliance (It must be
sound, free from cracks and blockages and
swept). It should not have an excessive
cross sectional area (greater than 250mm
x 250mm square or equivalent area).
Do not connect the insert stove to a
chimney flue which is connected to
another appliance.
It is essential that you use only stainless
steel pipes for your inset stove and that
all installations are carried out in
accordance with building regulations
and manufacturer’s instructions. Always fit
pipes with the narrow side down, to allow
any creosote to run down the inside of the
pipe. This avoids possible fire risk.
Firebird recommend that a thorough
inspection of the chimney is carried out
prior to installation and on a regular basis
thereafter.
The chimney should be of sound
construction, free from debris, capable of
withstanding extremely high temperatures
and have no evidence of cracks or other
faults.
Best installation practice is to install a flue
lining suitable for solid fuels. A rigid
connection adaptor should be used to
connect the flue liner to the insert stove.
Pipe bends should be kept to a minimum
and there should be no more than two 45˚
bends on any installation.
Fireplace surround
Facia area
Opening
min 565 max 60
0
min 620 for facia
16” inset - min 405
max 470
18” inset - min 455
max 520
16” inset - min 500
18” inset - min 550
for facia
limiting dimensions of
surround and opening
