I need to insulate 40metres of 22mm Hep2o pipe buried approx 400ml deep. I have been advised to use Armaflex Solar Insulation pipe is there any other product that will not deterioate in the ground but costs less than the Armaflex? 
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Exterior Pipe Insulation
- Thread starter pat5627
- Start date
Hmm Hep2o underground...that's a novel idea. If you bury it deeper I wouldn't have thought you'd need insulation at all - take it down to about a metre and it shouldn't freeze or warm up much. In other words, get your spade out and you'll have free natural insulation...
D
dextrous
Ooh yeah so he is...let's hope he wants hot water then...
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