Safely concrete over pipework

[Smitty]

Good morning All
I’m having a new boiler fitted in my kitchen and having the floor level raised.
What is the safest way to protect the copper pipework when covering it with concrete to allow for pipe expansion.

 

[Chuck]

TLDR: pipework should not be embeded directly in concrete. See, for example:

Best practice for copper pipes (gas and water) in concrete/screed

Hi, Plumber has dug a trench in my existing solid kitchen floor and laid the following pipes - 15mm flow and return - covered whole pipe with hessian felt sleeve 15mm mains water - laid hessian felt sleeve on top of pipe (not around) 28mm gas - wrapped gaffer tape around the pipe. I'm not...

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[ShaunCorbs]

Best way is a to install / form a pipe duct and put a ply lid on it

 

[WC1]

Speak to your gas fitter imo.