copper water supply through cement!

[thatsitivehadenough]

Fitting a new kitchen and I can see that the copper water supply pipe before the stop tap is travelling through cement and has a green copper oxide residue on the outside. Should I be worried about this?

 

[seco services]

cement eats away at copper over the yrs

 

[Bahco]

the copper water supply pipe before the stop tap is travelling through cement

Are you sure the supply pipe is copper

Normally iron or plastic is used.

 

[thatsitivehadenough]

It might go back to iron or plastic somewhere but this bit is copper. its gone all green.

 

[andylu]

If it is easyish to change/reroute now (eg before the refit) then I would do it now. You will be kicking yourself if you need to sort it and wreck the kitchen at a later date.....

Or add a bit of extra plumbing to allow for it to fail in the future?

It all really depends on the exact situation, but copper direct in concrete is not a good long term solution.

 

[Agile]

If you are replacing the pipe then you can use copper but need to wrap it in sticky tape and then put it in a tube or duct to avoid any expansion problems.

Assuming its a mains water supply pipe then its technically illegal if its not accessible although it is OK to use plastic pipe in a larger tube that can be retracted from one end.

Tony

 

[neds]

Needs to be Grade Y copper if its going anywhere underground. Fittings will need to be of the Type B/manipulative type.