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3
Hearth distance 'X' from wall
0mm
0mm
0 - 150mm
+150mm
5
150
150
FREESTANDING ON
300
NON COMBUSTIBLE HEARTH
MIN 12mm THICK
Table 3 - Position of Hearth & Appliance from adjacent walls
Appliance distance from walls
0 - 50mm
51 - 150mm
150 - 300mm
+300mm
150
MIN 840mm
4
H
See Table 3
T
X
MIN
125mm
Min Wall Thickness 'T'
200mm
75mm
75mm
6
Seal with fire
proof lagging
Solid, non-combustible
material e.g. masonary
or concrete
MIN
150mm
Min Wall height 'H'
Height of appliance +300mm
or 1200mm from hearth
(whichever is greater)
No Minimum Requirement
45°
Max
T
X
150 Max
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