Insulating A/C copper line outside
RichK writes:
Is there a special requirement for this insulation, or can a hot water
line insulation be used? This is the stuff commonly found at HD or
similar.
Polyurethane foam (like kids' pool noodles) won't hold up to UV exposure.
The black rubber foam is good for 10-20 years outdoors. At Home Depot, at
least around here.
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