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Jacket
That is what we are trying to look for smart one -.
this is not a answer dum 1 this is
the insulation will get wet and as it drys it will expand or contract
Thermal insulation is the insulation that blocks heat or cold.
Actaully thermal insulation like your jacket or sweater, it helps you keep energy in winter
hell yes
a fiberglass insulation blanket that has a plastic jacket, they sell them specifically for hot water tanks