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Anonymous
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Does anyone know if its possible to repair cast iron gutters which are leaking? If so how should a builder do it? (Can't do it myself - the gutters are much too high up)
Thanks
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Anonymous
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i dont know much on the subject but could you not have the sealed with rubber coating and this would save expense of taking it off and replacing?
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Anonymous
Guest
Yes you should be careful I had mine replaced with another length I had, and it leaked from the joint and the bolt holding it together. I have tried putting silicone around it, but it still leaks and now its raining it will be harder to put anymore around it.
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Anonymous
Guest
Depends why its leaking!!! Has it rusted out or is it just the joints? Joints are simple to repair assuming of course that you can get them apart to do said repair. If they are rusted (usually on the flat rear face of the ogee that is fixed to the fascia) replacement of that section is the only proper way to do the job. Mike.
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Anonymous
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I have repaired many quite successfully with silicone sealants, but the surfaces must be very clean and completely dry. This really needs very thorough wire brushing, sometimes sulphuric or orthophosphoric acid followed by thorough washing, followed by hot air gun to get everything 100% dry. When cool, apply silicone mastic to BOTH faces, ensuring that it is sticking. Carefully offer up the gutter with a new bolt. For the small extra expense I use stainless 6mm countersunk bolts. Galvanised ones lose their galvanising within a couple of years in urban environments. Nice coat of bitumastic black paint all over to finish.
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Anonymous
Guest
I posted a similar question on this site a few months ago and recieved no replies. However looking back on this site many months before I found a reference to a system that lines the gutters with a liner made from rubberised plygene. The company that makes it lines gutters on buildings such as factories, mills and cathedrals. We are awaiting manufacture and installation should take place in a week or two. We contacted the council as our house is Grade II listed and they classed it as a repair so we did not need consent. We have no idea whether this will solve our problems but it is certainly a cheaper option than having our gutters recast as they are not a stock size and as we are repairing rather than replacing the council is much happier. The system is made to measure and seamless so hopefully we will see the end of leaking joints.