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FINZ – TYPICAL FLUE INSTALLATION (drawings on the following pages are not to scale)
FIG A
LIN E R P O S IT IO N E D B Y S P ID E R
B R A C K E T S . TO P /B O T T O M
CONDITIONS FOR FLUES (Refer Fig. E)
1.
The FLUE shall extend to:
Not less than 600mm above the highest point on
the roof if within 3.0m of that point.
Not less than 1000mm above the intersection
point with the roof and not lower than any point
of the roof within 3.0m.
In any case the length of the flue shall not be less
than 4.6m from the ash floor protector.
In some situations the Local Council may vary
the above requirements.
2.
All parts of the chimney exposed to the outside
air shall be suitably insulated in accordance with
the manufacturers' recommendations.
When loose- fill insulation is used in the adjacent
ceiling space, maintain clearance between the
secondary shield and the loose-fill insulation by
provision of a boundary extending 200mm above
the ceiling top surface.
This non-combustible boundary shield shall be
capable of preventing accidental migration of the
loose-fill by any action of wind or by persons
moving in the ceiling space.
Page 2 of 4
FIG B
S U P P O R T A N G L E S
TIM B E R R A IL S
FINZ Mar 2007
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