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Plumbing

New pipes to raidators are SLOWLY moving and bending away from valves.

Anonymous user 09/03/2024 - 2.55 PM

Hi, question and help please! 18 months ago I got new radiators with new copper/plastic pipes fitted to my ground floor. It seems the copper sections to the radiators have all moved under the floor by 1-3 cm's, and have only stopped moving due to the fact they are now all pressing on the laminate flooring holes. So, the pipes are only bent at an angle where they join the lockshield/TVR's. The lockshield/TVR's have not moved. The plastic part is laying on the mud/dirt foundations under the floor. Why and what could be making the pipes move? Keeping in mind the laminate flooring is now stopping the pipes move anymore, do I really need to worry or do anything? I'm not too worried about how they look, but I just don’t want any issues in the future, such as more bending (out of sight) and bursting, etc. The laminate flooring is new and not going to be easy to take up as it goes under the skirting. Thanks very much for your help!

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3 Answers

Vine Oil

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Warminster

Sorry to say sounds like a cheap install, I only use copper pipe everywhere, not for convenience but for solidarity. you get what you pay for. Buy cheap buy twice. SORRY. Decent refit needs applying, did you know your installer? Plastic piping is for site housing or housing associations not for private heating engineers. Where works are done properly.

Answered22 February 2018

D & R Property and Plumbing Maintenance

Rating: 4.9 out of 5

New Romney

poorly installed pipe work pipes should not be laid on on cold sub floor,they are moving because the pipe work expands and contracts as it is heated then cooled,as you have plastic and copper these expand and contract at different rates so you end up with the problem you have.

Answered24 February 2018

Anonymous user

As above posters state, its purely down to poor installation. Whether you use plastic or copper pipework is irrelevant as both should be correctly clipped and supported to stop such movement. I and many other installers have had success in installing such systems without any issue for many years. Unfortunately it seems your installer doesn't fit into the same category.

Answered1 March 2018