Insulation Exterior Waste Water Pipes

Jun 22, 2018
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Hi There,
I was wondering if anyone could help.

We live in Austria and was currently on a septic tank. Now the village is on main sewage and we now have waste pipes connected to the mains.

Because of how our house lies we have had to lay 12meters of 126mm (brown waste pipe) above ground, laying next to a small stream.

My question is, what is the best and hopefully cheapest way to insulate these pipes? Can I use rockwool and and a water proof wrap? Is there something on the market that I can use at that size?

Any suggestions would be appreciated.

Thanks in advance

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