Boiler floor

I am looking to fill this hole and was hoping someone can guide me as to where to begin! these are our underfloor heating pipes and I've bought denzo tape to cover them. do i need to cover the pipes in anything else? can i concrete straight on top of it all? Any advice would be greatly welcomed!

  • if you only want make it look nice, vacuum out all the construction debris and fill the area with coarse sand or pea gravel
    – jsotola
    Commented Feb 27, 2018 at 23:13

1 Answer 1


Put a stepped removable wooden grate on top of it, board walk.

  • So don’t fill the hole with concrete?
    – LJ DIY
    Commented Feb 27, 2018 at 17:07
  • 1
    You may wish to explain your reasoning a bit, as the OP specifically asked about filling the hole with concrete. Why cover it with a grate instead? What advantages / disadvantages does that offer?
    – mmathis
    Commented Feb 27, 2018 at 18:18
  • I don't know if I would fill the hole with concrete a board walk may be safer in the long run. Concrete will etch the copper over time being able to access the pipes at a later date may save a lot of time if there is a leak in 10+ years down the road.
    – Ed Beal
    Commented Feb 27, 2018 at 19:11
  • Am happy for any suggestions! Just seems that any builder who comes and looks at it suggests cementing it?
    – LJ DIY
    Commented Feb 28, 2018 at 17:33
  • Yeah; what Ed said.
    – Paul Logan
    Commented Mar 1, 2018 at 19:12

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