Flue Height Above Roof Nz

This is for masonry chimneys.

Flue height above roof nz. The flue pipe shall extend not less than 4 6m above the top of the floor protector. The top of the flue system should be at least 1000mm above 4 2 metres from above flue collar panel to top of flue pipe the roof or at least 600mm higher than any obstacle or ridge within 3 metres of the flue. For an enclosure simulating a chimney this raises the question of how high above the enclosure to terminate the flue. The enclosure can be extended to meet the 600 mm or 1 000 mm height requirement but there is no guidance in as.

April 2012 nz metal roof and wall cladding code of practice table of contents v 2 2 page 3 table of contents 1 1 0 table of contents 2 0p erformance 3 0 construction load 4 0 d esign 5 0f lashings 6 0p enetrations 7 0i nstallation 8 0 roof drainage 9 0 plastic roof lighting 10 0 pressed metal tiles. C the flue pipe must be more than 3 metres from any nearby structure. For a gas vent or type l vent this height must be 2 ft 0 61m or more. How high does the flue have to go.

A if the flue pipe is within 3 metres of the ridge the flue pipe must protrude at least 600mm above the ridge of the roof. B if the distance from the ridge is more than 3 metres the flue pipe must protrude at least 1000mm above roof penetration. Refer to diagram b. Checked the flue height above the roof is indicated and that it meets the height requirements set out in as nzs 2918 2001 domestic solid fuel burning appliances installation inspection of the installed heater.

Flues need to be 600mm higher than the highest part of the roof within 3 metres. Homes built on varying terrain have their own set of chimney and flue regulations. As nzs2918 2001 4 9 1 a states the flue pipe shall extend not less than 4 6m above the top of the floor protector. This ensures correct operation of the burner limits back draughts and prevents flue gases impinging on the roof.

Flues that are more than 3 metres away from the highest part of the roof need to be 1000mm above the flue penetration. Refer to diagram c. A lf the flue pipe is within 3 metres of the ridge the flue pipe must protrude at least 600mm above the ridge of the roof. If the flue exits the roof further down then it must extend high enough to acheive 2 3m of horizontal clearance.

A vertical line drawn along the up roof side of the chimney from the roof surface to the top of the chimney flue opening shall be at least 3 ft in height. The top of the flue opening should be 3 ft 0 92 m above any roof surface.