Drewb8 Posted April 30, 2021 Report Share Posted April 30, 2021 Hey everyone, i have a 94 hewes redfisher and i recently gave a shot at replacing the bilge pump thruhull, this required cutting a hole in the inside of my battery compartment exposing the foam inside. I was wondering if the foam is open or closed as after awhile theres now a small puddle of water on top. Quote Link to comment Share on other sites More sharing options...
Toeknee217 Posted April 30, 2021 Report Share Posted April 30, 2021 it should be closed cell foam which in my experience does still hold moisture once you drill into it but shouldn't completely saturate. Quote Link to comment Share on other sites More sharing options...
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