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Question DetailsAsked on 2/15/2016

Should I call plumber or insulation company to handle freezing water pipe inside the wall?

I am a new home owner, and realize that the water pipes (both hot and cold) for kitchen sink freeze in cold weather (when outside temperature is below ~10 degree). The kitchen was renovated by the previous owner. They moved the sink location, and It seems they did not properly insulated the extended water pipes.
Should I call a insulation company to add insulation material to the wall to prevent frozen pipe? Can plumber insulate pipes inside the wall?

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1 Answer


I would call plumber - because he is better versed in pipe insulation, and can reroute the pipe if possible to get it away from the coldest part of the wall. Then you may need a Handyman to repair the hole in the wall the plumber makes to get at the pipe, and repaint. Key is to insulate on the "cold" side of the pipe, and preferably for about a foot to each side - leaving the "inside" or warm side UNINSULATED, so it readilyu picks up heat from the warm room on the inside.

When you call be surer to tell him the situation so he can bring a variety of insulation materiall - most have it but carry only the full wrap-around foam tubing type on the truck unless warned in advence.

All too many people put the wrap-around type pipe wrap all around the pipe, keeping it from getting access to the heat from the room, but because the pipe and the wall cavitiy near the outside of the wall are all very cold, the insulation vies little or no protection against that.

Also - if possible it is better to insulate so the hot pipe can transfer heat to the cold pipe too - for instance wrapping insulation around the "back" or outside side of both pipes and then around the sides- keeping both the pipes together in a common airspace rather than insulating between them too.

Answered 2 years ago by LCD

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