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2.1 Except Stockton 5 Midline and Stockton 6 Highline the
appliance must stand on a constructional hearth which is at
least 125mm thick with the minimum dimensions as shown.
SITE REQUIREMENTS
150mm
minimum
Constructional Hearth
840mm minimum
Constructional Hearth
840mm minimum
150mm
minimum
150mm
minimum
225mm
minimum
PR7205
1. HEARTH DIMENSIONS
Position On Roof Minimum Clearances
A
On ridge or within 600mm 600mm above ridge
B
Elsewhere on roof 2300mm horizontally from roof surface and:
a) 1000mm above highest point of flue exit
from roof or
b) as high as the ridge
C
On pitched, within 2300mm horizontally to
openable window, dormer
1000mm above top of opening
D
Within 2300mm of another building 600mm above top of building
1. FLUE OUTLET POSITIONS
150mm
max
Vertical
Measurement
Terminal
Insulation
Flue
Horizontal
Measurement
Adjacent
Building
The vertical measurement is the lowest from either the
point of discharge or 150mm above insulation.
IMPORTANT: Seek specialist
advice if installing in a dwelling
with a thatched roof
Stockton 5 Midline and Stockton 6 Highline only require a
noncombustible hearth which is at least 12mm thick with
the minimum dimensions as shown in the diagram opposite.
Note: If operated with the doors open without a sparkguard
the hearth must be extended by a minimum of 300mm in
front of the appliance.
2.2 The building must have a suitable load-bearing capacity for
the hearth and appliance.
•Consultastructuralengineerforadvicebeforeproceeding
2.3 When fitting into an existing hearth check:
•Thattheappliancecomplieswithcurrentconstruction
regulations and is at least the minimum sizes shown
2.4 If there is no existing fireplace or chimney it is possible to
construct a suitable non-combustible housing and hearth
setting. The flue must be installed in accordance with all
local and national regulations and current rules in force .
•Checkifaddinganewchimneytoyourpropertyrequires
planning permission