this post was submitted on 18 Jul 2023
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[–] [email protected] 7 points 2 years ago (2 children)

I'd pack some stainless steel wool around it before doing the expanding foam. This will prevent rodents from chewing through it, which they can do to the foam.

They make rodent-blocking foam but I trust the steel wool more

[–] [email protected] 4 points 2 years ago

Weighing in to emphasize the importance of packing it with steel wool before using fireblock. It’s a game changer.

[–] [email protected] 3 points 2 years ago

We had a hole like that that mice kept coming through and steel wool + foam ended that problem.