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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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[–] [email protected] 5 points 6 months ago (2 children)

Don't do that, there's wires and pipes in there. If anything needs maintenance or replacing it's a nightmare with expanding foam gluing everything together.

Just put in some steel mesh on the bottom, fill with isolation materials, lock it in with more steel mesh and put a nice cover plate over it.

[–] eddanja 5 points 6 months ago

You can cut it with a knife or a jab saw. It's used in AC installation all the time.

[–] LordKitsuna 3 points 6 months ago

Once dried it's quite easy to just rip foam out