Available in 8 profiles.
Flue flashing for corrugated roof nz.
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.
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.
Chimney flashing plates dia to suite flue pipe spigot plate 200 s s 91 40 nzd chimney flashing plates dia to suite flue pipe spigot plate 250 s s.
Chimney flashing round flue.
A boot flashing is a proprietary epdm flashing designed to weatherproof cylindrical penetrations protruding from a roof or wall.
For a fuller explanation of this refer to the nz metal roof and wall cladding code of practice.
This result should be referenced to the wind load span design graphs.
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.
Epdm perfect for approved flues.
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.
If building from new you need a minimum 10 degrees roof pitch for this detail if you wish to comply with e2 as1.
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.
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.
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.
The roofing and cladding in accordance with generally acceptable practice by reference to as nzs 1170 2 2011 and or nzs 3604 2011.
This ensures correct operation of the burner limits back draughts and prevents.
Check out our range of rooftite products at your local bunnings warehouse.
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.