If building from new you need a minimum 10 degrees roof pitch for this detail if you wish to comply with e2 as1.
Flue flashing for corrugated roof nz.
If you don t have 10 degrees which looks likely just buy a flashing that runs the entire length from low to high points lapping over the roofing to the gutter and lapping under your high point flashing.
Roof flashings dektite soaker dektite soaker 245 358mm 265 50 nzd roof flashings dektite strip dektite flashing strip per m.
For a fuller explanation of this refer to the nz metal roof and wall cladding code of practice.
Dektite epdm polymer flashing have been officially tested by the coal corporation of victoria australia and conform to all australian and uk standards on approved flue systems.
If the flue is within 3 m horizontally of the roof apex the flue top must be at least 600 mm above the roof apex.
Available in 8 profiles.
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.
This ensures correct operation of the burner limits back draughts and prevents.
The top is trimmed to form a tight weatherproof collar around the penetration and the base is formed with a series of concentric rings to the underside and a malleable stiffener of aluminium which is dressed to conform to the shape of the roofing profile.
Dektite standard pipe flashing suits flue diameters up to 450mm on corrugate 20º roof pitch dektite retrofit flashing suits flues up to 250mm diameter for 15º roof pitch dektite soaker flashing suits flues up to 610mm diameter for 25º roof pitch.
A boot flashing is a proprietary epdm flashing designed to weatherproof cylindrical penetrations protruding from a roof or wall.
The roofing and cladding in accordance with generally acceptable practice by reference to as nzs 1170 2 2011 and or nzs 3604 2011.
Epdm perfect for approved flues.
Dektite resist ozone and uv light damage and retains full flexibility under temperatures from 50 degrees c to 115 degrees c and up to 150c degrees c intermittently.
This result should be referenced to the wind load span design graphs.
Chimney flashing round flue.
Check out our range of rooftite products at your local bunnings warehouse.
If the flue is over 3 m from the roof apex the flue top must be 1 000 mm minimum above the roof and at least 3 m horizontally from the roof surface.
