Standard Box Gutter Sizes Australia

Roof drainage systems should be designed and detailed by a suitably qualified trade or professional in accordance with the bca and the australian standards.

Standard box gutter sizes australia.

Calculators for designing eaves gutters box gutters downpipes pipes and open channels etc to australian standards. Drainage systems for larger roofs use box gutters at the perimeter and internally. Particular reference should be made to the correct sizing of gutter. 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.

There is detailed government legislation regarding the design installation and maintenance of guttering. Product kept in stock is available in 6m lengths. It is assumed that the eaves and gutters will have a gradient. 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.

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. 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. The gutter collects the water and disposes of it through the drainpipe.

The minimum size of a sump is 400mm x 200mm minimum width of box gutter and 150mm deep. Code box gutter requirements. The minimum width allowed for domestic projects is 200mm. How much fall should i have on a box gutter.

When being cut to size the maximum product length is 9 0m and the minimum length is 500mm. Design of eaves gutters box gutters downpipes to the australian national plumbing code as nzs 3500 3. Box gutter systems are thoroughly treated in as nzs 3500 3 2003 and hb114 1998. A box gutter is given its name as it is usually boxed into the middle or edge of the roof.

Quantity and placement of downpipes. Box gutters must be straight no bends. For commercial projects the minimum allowable width is 300mm. Act nsw nt qld sa tas vic wa includes stramit m pattern s pattern triline stiffened back and stramit triline hook back gutter products.

Drainage system using the standard roll formed rainwater products gutters installed at the building eaves. And the provision of appropriate overflow devices. Sides must be vertical. Pre manufactured gutter mitres and gutter angles for many guttering profiles reduce the need for creating mitres on site therefore simplifying the installation.