Cast Iron Effect Guttering
Cast iron guttering in uPVC gives a period property the heavy black profile of the original without the weight, rust or repainting. Cast iron effect guttering runs at 112mm and 114mm in 2m and 4m, with 65mm and 68mm downpipes and branches to match. Hangs on gutter brackets fixed to the fascia board.
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Aquaflow 68mm Square Cast Iron Effect Downpipe Offset Bend 92.5°
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Choosing Cast Iron Effect Guttering
Frequently Asked Questions
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.
Look at the front edge from the ground. A plain curve is half round, a flat face with a square shoulder is square, and a moulded, shaped front is ogee. Then measure across the top of the gutter: 112mm and 114mm are the common domestic sizes, with 125mm, 130mm and 170mm on deeper and commercial systems.
Fascia brackets are normally fixed at 800mm to 1000mm centres, closer where snow load is likely, with a bracket within 150mm of every union, angle and outlet. Set a fall of roughly 1:600 towards the outlet, about 3mm per metre, so water runs off rather than standing in the bottom of the gutter.
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.
Not reliably. Profiles that look alike often differ by a few millimetres across the seal, so a union from one system may not grip, or may leak, on another. Match the profile and size already on the building. If a run is being replaced piecemeal, bring an offcut or a photo of the union before ordering.