Product kept in stock is available in 6m lengths.
Standard box gutter sizes australia.
The minimum width allowed for domestic projects is 200mm.
Box gutter systems are thoroughly treated in as nzs 3500 3 2003 and hb114 1998.
Sumps are to be appropriately sized in accordance with as nzs 3500 3 with a minimum length of 400 mm and when fitted with a high capacity overflow device with a depth of not less than 150 mm when either one or two box gutters enter the sump.
This is best done by your architect engineer or building designer and should conform to the requirements of as nzs 3500 3 2003 plumbing and drainage.
Roof drainage systems should be designed and detailed by a suitably qualified trade or professional in accordance with the bca and the australian standards.
When determining the size of your rainhead you will need to consider such things as rainfall intensity occurrence use of the building and the size of the box gutter.
Stratco gutters are strong yet lightweight making them easy to handle.
Drainage system using the standard roll formed rainwater products gutters installed at the building eaves.
There is detailed government legislation regarding the design installation and maintenance of guttering.
The gutter collects the water and disposes of it through the drainpipe.
If draining to a sump with a vertical overflow somewhere along the box gutter use this calculator.
Act nsw nt qld sa tas vic wa includes stramit m pattern s pattern triline stiffened back and stramit triline hook back gutter products.
Box gutters must be straight no bends.
Box gutter gradients shall not be flatter than 1 200 for sole widths equal to or less than 600mm wide.
And the provision of appropriate overflow devices.
Particular reference should be made to the correct sizing of gutter.
Code box gutter requirements.
Sides must be vertical.
How much fall should i have on a box gutter.
Design of eaves gutters box gutters downpipes to the australian national plumbing code as nzs 3500 3.
For commercial projects the minimum allowable width is 300mm.
Deviations from the gradient must be smooth and prevent towards the outlet without a proportional permanent ponding.
Colorbond box gutter measures 150mm x 150mm x 150mm.
The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep.
Pre manufactured gutter mitres and gutter angles for many guttering profiles reduce the need for creating mitres on site therefore simplifying the installation.
A box gutter is given its name as it is usually boxed into the middle or edge of the roof.
It is assumed that the eaves and gutters will have a gradient.
Drainage systems for larger roofs use box gutters at the perimeter and internally.
