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submitted 5 months ago by [email protected] to c/[email protected]

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My goal is to keep hot/cool air from seeping between floors. Is canned spray foam the way to go? Any recommendations? Pest resistance is a bonus.

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[–] [email protected] 5 points 5 months ago

Looks like refrigerant lines to an A/C system to me. Cold line is covered in insulation and hot line is bare. White cable could be power to the unit.