Quote:
Originally Posted by DoubleF
I wonder if he could just jack up the temperature to 24-26C? No idea if that'd increase the chances of attic rain though...
I think Jiri should be careful of a pipe bursting from it freezing if indeed he's identified his pipes are PolyB instead of PEX or copper. PolyB durability isn't great. Leaving that shower or tub on to allow for a dribble if possible might not be a bad idea, but I dunno. I'd at least monitor it carefully over the next few days when things start to thaw out.
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If the frozen line is on the other side of the insulation, there likely isn’t much he can do, you’re basically trying to heat up the outside of the house through a layer of drywall and insulation. We have had a section of polyb freeze before and it was fine. Polyb has a bad rep, but ours has been in the house for 30 years with no ill effects.