65mm Downpipe
65mm downpipe is the square section used on cast iron effect systems, narrower than the standard 66mm so it keeps the original proportions on a period property. Offset bends, Y branches and shoes are stocked in the same finish to match 65mm guttering. Feeds from cast iron guttering.
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Aquaflow 65mm Square Cast Iron Effect Downpipe Offset Bend 112°
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Choosing 65mm Downpipe
Frequently Asked Questions
68mm round is the standard partner for half round and deep flow guttering, and 66mm square goes with square and ogee profiles. Cast iron effect systems use a narrower 65mm square to keep the period proportions. The pipe has to match the outlet on the gutter, so settle the gutter profile first.
For appearance at normal viewing distance, yes — the profile and the deep shoulder are what the eye reads. It will not rust, does not need repainting, and a single person can handle a 4m length. Real cast iron is heavier, stronger against ladder knocks, and is what a listed building or a conservation officer may require.
Fix a clip within 150mm of every socket joint, then at roughly 1.8m to 2m centres down the run, with an extra clip either side of an offset bend. On a narrow passage or boundary wall, flush-fitting clips let the pipe sit tight against the brickwork.
It steps the pipe back to the wall where the gutter outlet sits proud of the brickwork on the eaves overhang. Two bends and a short length of pipe make the step. Offsets come at 92.5 and 112.5 degrees; the one you need depends on how far the eaves project, so measure before ordering.