Gutter Dimensions Nz
What size of marley spouting and downpipes do i need.
Gutter dimensions nz. This has led to the historically rather confusing use of a safety factor of 2 by using 200mm hr instead of 100mm hr as in new zealand the maximum rainfall for internal gutters. Whether it is a new build or existing property the safe disposal of rainfall via an effective rainwater system aims to avoid the likelihood of damage or nuisance to both the property and its neighbours. All dimensions given are nominal. 5 inch 5 520 square feet.
For extreme conditions where a bold look is desired. Effective cross sectional area with 15mm free board. The basis for establishing the gutter size used in the cop was on cubic capacity using the martin and tilley work not on width although a recommendation is made that the. All dimensions given are nominal.
6 inch 7 960 square feet. If a roof s various drainage areas call for different size gutters go for the biggest one k style. With clean bold lines and a high face. Dimond box 175 gutter allows rainwater or snow to be drained quickly and because of its large size it is also easy to clean out.
Flow capacity 363 litres min minimum recommended fall 1 500. They can be 4 5 or 6 inches. Marley spouting is nz designed and manufactured for nz conditions. They don t corrode or rust and are ideal for coastal areas with salt laden air.
Then use the chart below to see what size gutter you need. About a popular rainwater system solution that is predominantly used in residential applications. When you are completing a gutter replacement the first point to note is that gutters come in different sizes. Box gutter 125mm conceals the sheet ends at the eave line and looks great with profiled longrun sheeting or tile roofing internal and external brackets are available in this profile and it is suitable for use with fascia 185 fascia 155 and fascia 135.
Nz s leading provider of steel roofing guttering products for residential commercial customers. 1 500 2mm in 1m minimum downpipe. New zealand building code clause e1 figure 15. Effective cross sectional area with 15mm freeboard.
Large sized gutter for commercial and industrial applications. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Gutters will be the same size for all the roof so use the largest plan area to work out the appropriate. Made form galvsteel zincalume colorsteel.
727 litres min or 616 litres min minimum recommended fall.