33 550mm or 29 400mm g 600mm flow capacity.
Gutter dimensions nz.
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.
New zealand building code clause e1 figure 15.
Effective cross sectional area with 15mm free board.
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.
A fall of 1 60 provides even better drainage.
All dimensions given are nominal.
Gutters will be the same size for all the roof so use the largest plan area to work out the appropriate size gutter.
1 500 2mm in 1m minimum downpipe.
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 dimensions for internal gutters shown in figure 52 or requires dimensions to be calculated from e1 as1 whichever is greater.
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.
Marley spouting is nz designed and manufactured for nz conditions.
6 inch 7 960 square feet.
Gutter style gutters are typically k style and half round styles though custom profile are available.
Minimum gutter slopes should be applied to all internal gutters so that.
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.
Then use the chart below to see what size gutter you need.
They don t corrode or rust and are ideal for coastal areas with salt laden air.
5 inch 5 520 square feet.
The largest plan area is area a at 38 m.
7 and greater are appropriate for churches and larger commercial buildings.
7500mm with 15mm free board flow capacity.
This is an external gutter so using clause e1 figure 15 plot 38 40 m plan area on the vertical axis.
Large sized gutter for commercial and industrial applications.
Effective cross sectional area.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
