Standard Gutter Downpipe Size

75mm 87mm 100mm and 120mm.

Standard gutter downpipe size. The downspout and gutter sizing calculator is located on the tools cad and apps page of the smacna website. Offsets are available to fit either a 450mm or 600mm eaves overhang. And downpipe outlets channel water from the gutter to the downpipe. Pvc rain gutter is more cost effective when compared to metal and is easier to install than metal.

Round downspouts come in various sizes and colors and mostly used with half round gutters. 100mm 125mm 150mm 190mm and rectangular 136mm. Standard square downpipe size is 65mm. An architect may like the look of a particular gutter and specify that.

Using new zealand building code clause e1 surface water to size gutters and downpipes new zealand building code clause e1 uses plan areas of the roof to find the appropriate down pipe and gutter sizes. Now architects engineers designers and contractors can easily and accurately size downspouts and gutters according to the specifications in smacna s architectural sheet metal manual 7th edition 2012. Commercial gutters are made in standard sizes and shapes. 5 inch 5 520 square feet.

Individual roof plan areas contribute to the total roof plan area. It also comes in sizes 2 3 and. The sizes available in this style are 3 4 5 and 6. Then use the chart below to see what size gutter you need.

Secondly choose the profile you want as each will offer a slightly different aesthetic depending on the look you want and the style of the property. If a roof s various drainage areas call for different size gutters go for the biggest one k style. If a roof s various drainage areas call for different size gutters go for the biggest one k style. Half round gutters r size mm d mm d mm 100 107 17 125 3 7 150 155 17 190 192 22 size mm di mm 75 75 87 87 100 100 120 120 rectangular gutters.

Standard round downpipe size is 68mm. 5 inch 5 520 square feet. Guttering is 112mm half round or 114mm square. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system.

Downpipe straps attach the downpipe to the wall downpipe shoes 135 and elbows 90 help water flow to a specific area. Work out the roof plan areas when working out gutter sizes clause e1 requires. So the designer must then find the most economical number of and size of downpipe to fit the specified gutter. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

Downpipes are available in four sizes. 6 inch 7 960 square feet. Floplast down pipe 68mm x 2 5m black 6 pack 19350 product rating 4 2 out of 5 stars compare. Complete your spouting project with a range of downpipe accessories.