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Existing Copper Pipes in Concrete - Advice

View the thread, titled "Existing Copper Pipes in Concrete - Advice" which is posted in UK Plumbers Forums on UK Plumbers Forums.

B

batch

Hello!

I am currently re-fitting my bathroom including the floor. The existing fllor is ceramic tiles on concrete. I have removed the mojority of tiles, and found that my central heating and hot/cold water pipes pass through the bathroom in a channel in the concrete floor. From the point where the pipes pass under the bath, they are not covered with concrete and I can see that they are not protected with anything (denso tape or conduit etc).

I have two issues; part of the concrete covering the pipes appears to have been repaired in the past with some sort of white filler. This is now flaking and loose, and I want to remove it and make it good before laying my new floor tiles. A different part of the concrete covering the pipes is loose and rattles the pipes if pressure is put on that area of concrete (it is exactly where people will be walking). I am concerned that if I lay my new floor tiles directly over this, over time it could cause damage to the pipes and cause the tile adhesive and grout to move and crack.

Any advice would be appreciated. One option I am considering is removing the covering layer of concrete, protecting the pipes with denso tape (if there is room) and filling with concrete or tile adhesive.

Thanks - I am new to the forum and to diy plumbing!!
 
Concrete and cement will eventually eat into copper and make it leak - starts with pin holes and gets worse. I would cut out a proper channel for the pipes all around using a mini grinder and below - then fill with expanding foam to insulate and stabilise them. DEpends how long your staying.

centralheatking
 
Concrete and cement will eventually eat into copper and make it leak - starts with pin holes and gets worse. I would cut out a proper channel for the pipes all around using a mini grinder and below - then fill with expanding foam to insulate and stabilise them. DEpends how long your staying.

centralheatking
Agree +1 with central heating king, to be honest batch I think youve answerd your own question.
 

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