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filling wall chase for heating system?

Discussion in 'Plumbing and Central Heating' started by A.J.T, 3 Jan 2017.

  1. A.J.T

    A.J.T

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    Hello
    I have chased out my walls for the heating system , they are coming up from the floor and are In the wall for about 7 inches.

    I have used hep2o and was planning on insulating them before plastering with either a tape or conduit to allow to expansion.

    My question is how to fill the voids around the pipe ? I was thinking about using expanding foam then covering it with some plasterboard or can you plaster straight to the foam,?
     
  2. PrenticeBoyofDerry

    PrenticeBoyofDerry

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    Plaster products will be fine, providing you allow for expansion or plaster may crack.
     
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  4. rob_j20

    rob_j20

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    Run the pipes in conduit and secure to the brickwork, then plaster over the top. Its how i do my network cables allows you to remove if you ever need to, should work fine for pipes and allow expansion/movement.
     
  5. A.J.T

    A.J.T

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    The only issue is the holes are quite big so need filling somehow
     
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  7. dilalio

    dilalio

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    Does this mean that you have a pushfit elbow buried in the wall??
    Or have you used a compression elbow? Either way, soldered copper would be the way to go!
     
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    DIYnot Local

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