How to insulate water pipes outdoors / underground?

  • Erstellt am 2024-03-28 16:41:45
J

Jansepp

2024-03-28 16:41:45
  • #1
Hello,

Does anyone have experience on the best way to insulate or protect a water pipe (hot & cold) outdoors? Our new heating system is to be installed in the outbuilding. It is only about 1 m in the ground.

- So embed below the frost line.
- But in what to embed and how to insulate the pipe with what?
- Copper or stainless steel? Which is more advantageous?

Thank you!
 
Y

ypg

2024-03-28 21:15:44
  • #2

I assume that the house is not built yet and it is about a new construction plan?
If that is the case, the planning error could theoretically still be corrected.
Because based on exactly the content of your question, the technology is not stored outside the thermal envelope. But the outbuilding is insulated?
 
J

Jansepp

2024-03-28 23:25:07
  • #3
Hello, no, it is an old building. The outbuilding is currently being insulated. Since a wood gasifier is being connected and wood is being prepared right next to it, it is quite sensible, especially as the basement of the existing building is too low to install the pending buffer storage tanks there. Therefore, it is not a perfect solution but the best under the given circumstances.
 
H

Harakiri

2024-03-29 13:37:01
  • #4
If you want to do it yourself/simply, use KG pipes as mechanical protection and insulate the pipes with Armaflex AF or similar insulation materials. Insulation thickness ideally 100% (more is better). Then foam any empty spaces.

However, you may need to consider how to make the KG pipes watertight (possibly pressure-tight) through floor slabs or walls.

If you can afford it, use stainless steel, but it only makes sense if your entire installation is made of stainless steel.
 
J

Jansepp

2024-03-29 14:02:58
  • #5


Hello, thank you for your answer. The passage through the basement wall should work fine.

Could you please tell me why stainless steel only makes sense if the entire installation is made of stainless steel? I wanted to make the installation inside the house (i.e. indoors) out of copper or it is already copper there.
 

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