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At what temperature do pipes freeze in the UK?

10 Answers

Answered by Plumblife

7th October 2019

Plumblife answered the question "At what temperature do pipes freeze in the UK?"

Pipework starts to freeze if the temperature gets to 0 degrees Celsius or below. Some other things can accelerate the freezing such as being outside unsheltered, pipework that’s not been insulated, pipework that’s exposed to drafts, pipework run in a lofts or voids, pipework underground that’s not been laid deep enough.

Answered by Pavlou Plumbers

2nd October 2019

Pavlou Plumbers answered the question "At what temperature do pipes freeze in the UK?"

Water begins freezing at 4 degrees Celsius. This is why the minimum setting on any modern heating control is 5 degrees Celsius. The freezing process is completed if the water temperature is at 0 degrees Celsius. If you live in an area with very high water pressure this will slightly lower the freezing point of the water in the pipes with high water pressure.

Answered by Plumbsolve Glasgow Ltd

24th September 2019

Plumbsolve Glasgow Ltd answered the question "At what temperature do pipes freeze in the UK?"

Pipes containing water can freeze at 0 degrees or below, pipes on the outside of the house or in the loft or areas that aren’t heated are more likely to freeze and pipes of a smaller diameter are also more likely to freeze. Frozen pipes can lead to burst pipes as water expands as it becomes ice, proper “lagging” - a form of common grey insulation for covering pipes - can minimise the risk of frozen pipes but if you have any concerns a competent plumber should be able to advise you further.

Answered by BoilerOne

29th May 2019

BoilerOne answered the question "At what temperature do pipes freeze in the UK?"

Pipework with running water will freeze at sub zero weathers, exterior smaller pipework is more likely to become frozen, insulation to pipework can avoid this to exterior pipe and any pipework within an unheated space. BoilerOne recommend you consult a verified plumber to advise you on options available.

Answered by Thoroughbuild UK Services Ltd

25th April 2019

Thoroughbuild UK Services Ltd answered the question "At what temperature do pipes freeze in the UK?"

Water freezes below 0 C! So they can freeze anywhere below that. Pipes need to be lagged if outside/or in loft spaces/ where exposed to colder temperatures. Cold winds can also freeze pipes so make sure they are properly lagged. The UK can get very cold in winter so make sure your pipework is insulated effectively to avoid any frozen pipework which may lead to bursting!

Answered by Cliff Plumbing & Heating Limited

27th March 2019

Cliff Plumbing & Heating Limited answered the question "At what temperature do pipes freeze in the UK?"

Pipes can freeze below 0’c. If pipework is insufficiently lagged in a loft space or even ran outside then the chances are these can freeze in very cold weather conditions and also if wind/chill factors are high too. Simple and effective methods to prevent freezing is lag all pipework susceptible to cold weather conditions and with any pipework ran outside to a tap it is good practice to shut off the isolation valve to tap (if possible) & open the tap to remove the pressure within the pipework.

Answered by Fortune And Co Plumbing and Heating Ltd

1st March 2019

Fortune And Co Plumbing and Heating Ltd answered the question "At what temperature do pipes freeze in the UK?"

Yes, Pipes can freeze overnight. the lower the temperature outside and the more unprotected the pipes are, the more likely the pipes are to freeze. As a homeowner , You may have many questions about the consequences of frozen pipes and that cam be done to prevent this problem form occurring. If you pipes are out side the you can use trace heating to prevent your pipes from freezing.

Answered by A Royal Flush Plumbing

12th February 2019

A Royal Flush Plumbing answered the question "At what temperature do pipes freeze in the UK?"

Water will freeze in pipes at sub zero temperatures. This doesn't mean the air temperature has to be sub zero. wind chill can effect the temperature as can the pipe materials. if the pipes are insulated/lagged and is the water flowing or sitting in the pipe. flowing water reduces the risk of a frozen pipe. If the pipe does freeze then the water will expand by 10% which can lead to leaks and can even split the pipe. All exposed pipework should be insulated even if it is just in the loft..

Answered by PipeDream Plumbing

11th February 2019

PipeDream Plumbing answered the question "At what temperature do pipes freeze in the UK?"

Water freezes at 0°, however it usually takes a few days of below zero for pipes to freeze. The location of pipework, insulation, or lack of all plays a part in how long it takes for pipework to freeze in your property. Be sure to inspect all your property's plumbing, especially unheated areas like loft spaces and outbuildings and take appropriate measures to prevent freezing.

Answered by Nick Keeble and Son

10th February 2019

Nick Keeble and Son answered the question "At what temperature do pipes freeze in the UK?"

Generally when the weather stays below 0 degrees for a couple of days in a row. Obviously pipework placement and insulation has an effect. Also wind chill can be a massive factor, even a draft on a pipe in a cold area can cause it to freeze. It’s always best to ensure pipework is lagged in unheated areas

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