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What's the best way to fill these holes in my laundry room? (sh.itjust.works)

submitted 6 months ago by [email protected] to c/homeimprovement

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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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[–] Balthazar 6 points 6 months ago (1 children)

Are those water lines? The off-white one looks like an electric cable, which I don't like (potential for it to rub against the edge of the hole and wear the insulator).

[–] Macallan 5 points 6 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.