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Mar 15, 2021
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Newcastle
Member Type
General Plumber
Hi,

I have a timber frame extension with no radiators on the walls currently so I'm looking to add one, all walls are external with a vapour barrier

I was just wondering if anyone has any experience fishing 10mm pipe down a wall from the loft above

I was thinking to cut a 100mm slot out the plaster board from floor to ceiling to help get the pipes down
 
It is fine if it is the right size (internal diameter is less than copper) and it is installed correctly. Plastic pipe has a much greater expansion rate than copper and if it isn't clipped/installed correctly, there's a chance you will hear it expanding and contracting inside the wall. It can be annoying to some people.
 

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