Box gutter 125 box gutter 175 box gutter 300 quadline gutter squareline colonial quad gutter half round gutter box gutter 115 quarter round gutter fascia 135 fascia 155 fascia 185 round downpipe 55x75mm downpipe 95x130mm downpipe.
Gutter dimensions nz.
Cross sectional area of 4125mm smallest dimension at least 50mm.
Then use the chart below to see what size gutter you need.
33 550mm or 29 400mm g 600mm flow capacity.
Large sized gutter for commercial and industrial applications.
Minimum dimensions for internal gutters shown in figure 52 or requires dimensions to be calculated from e1 as1 whichever is greater.
Marley spouting is nz designed and manufactured for nz conditions.
5 inch 5 520 square feet.
New zealand building code clause e1 figure 15.
All dimensions given are nominal.
The largest plan area is area a at 38 m.
K style sizes will typically range from 5 to 6.
Box gutter 125 box gutter 175 box gutter 300 quadline gutter squareline colonial quad gutter half round gutter box gutter 115 quarter round gutter fascia 135 fascia 155 fascia 185 round downpipe 55x75mm downpipe 95x130mm downpipe.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Effective cross sectional area.
6 inch 7 960 square feet.
A fall of 1 60 provides even better drainage.
All dimensions given are nominal.
This is an external gutter so using clause e1 figure 15 plot 38 40 m plan area on the vertical axis.
Gutters will be the same size for all the roof so use the largest plan area to work out the appropriate size gutter.
Minimum gutter slopes should be applied to all internal gutters so that.
They don t corrode or rust and are ideal for coastal areas with salt laden air.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
1 500 2mm in 1m minimum downpipe.
7500mm with 15mm free board flow capacity.
The only mention of a required minimum slope for internal gutters in the compliance documents is in e2 as1 covering butyl rubber lined gutters where it requires a fall of 1 100.
727 litres min or 616 litres min minimum recommended fall.
Appendix 1 gives rainfall intensities around new zealand and figure 16 provides a graph from which to determine internal gutter sizes based on a rainfall intensity of 100 mm hour.
7 and greater are appropriate for churches and larger commercial buildings.
