Gutter Dimensions Nz

This is an external gutter so using clause e1 figure 15 plot 38 40 m plan area on the vertical axis.

Gutter dimensions nz.

Then use the chart below to see what size gutter you need. All dimensions given are nominal. New zealand building code clause e1 figure 15. Marley spouting is nz designed and manufactured for nz conditions.

Effective cross sectional area. 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. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Gutter style gutters are typically k style and half round styles though custom profile are available.

6 inch 7 960 square feet. K style sizes will typically range from 5 to 6. 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.

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. 7500mm with 15mm free board flow capacity. Large sized gutter for commercial and industrial applications. A fall of 1 60 provides even better drainage.

Cross sectional area of 4125mm smallest dimension at least 50mm. Gutters will be the same size for all the roof so use the largest plan area to work out the appropriate size gutter. 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. 33 550mm or 29 400mm g 600mm flow capacity.

The largest plan area is area a at 38 m. 727 litres min or 616 litres min minimum recommended fall. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. 7 and greater are appropriate for churches and larger commercial buildings.

All dimensions given are nominal. 5 inch 5 520 square feet. 1 500 2mm in 1m minimum downpipe. Minimum dimensions for internal gutters shown in figure 52 or requires dimensions to be calculated from e1 as1 whichever is greater.