6
Minimum Flue Height
The top of the flue system should be at
least 600mm above the highest point of
the roof ridgeline, if the point of
intersection of the flue system and the
roofline is less than 3 metres from the
ridgeline horizontally.
If the point of intersection of the flue sys-
tem and the roofline is greater than 3 me-
tres horizontally, the top of the flue system
shall be at least 1 metre above the point of
intersection with the roofline. (refer FIG 3)
These are considered to be
minimum dimensions,
and depending on local conditions,
taller flue system heights may be required for satisfactory performance.
Installation requirements for fireplace inserts and flue system where timber framing
is less than 50mm from the chimney structure.
Installation should be carried out by a qualified installer who will ensure:
That the minimum clearances determined by tests in accordance with AS/NZS 2918:2001
are complied with to prevent overheating of nearby combustibles.
That the minimum opening size of
600mm wide x 600mm high x 506mm deep
is
available when firebricks are removed, and that extra provision also be made for plumbing
where a hot water booster is fitted (where permitted).
Where the fireplace opening is in a heat sensitive wall, a non-metallic heat
resistant material shall extend not less than 50mm beyond each side of the
appliance and 150mm beyond the top of the appliance.
Clearance of at least 1 metre between the front of the appliance and building structure, or
any other substantial material object.
That the insulating floor protector of non-combustible material is provided,
extending not less than the dimensions shown in the chart. (Refer Fig. 1 & 2)
A fireplace appliance shall not be connected to a flue common with an open
fireplace.
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