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sealant

  1. #1
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    Default sealant

    What do you use to seal the pillow blocks and cav rod housing and through hull water pickup

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    Senior Member poncho's Avatar
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    You should post this in the v-drive section, lots of good peeps there. On the commercial fishing boat I engineer I like 5200, Sikaflex....neither one are fun to remove down the road though. I hear the name Seagoing Putty quite a bit but never tried it.
    Good luck

  4. #3
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    Unless you need the adhesive strength, don't use something like 5200 because it will only cause more problems down the road.

    Hands down, the best sealant that I have ever used is BoatLife. It is not an adhesive (because a sealant doesn't need to be...That's what fasteners are for), but will remain flexible for 20+ years.

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  6. #4
    Senior Member jetjunky's Avatar
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    Quote Originally Posted by nevada hondo View Post
    What do you use to seal the pillow blocks and cav rod housing and through hull water pickup
    3m #4200 marine silicone works very well. It will have some adhesive properties like any silicone but seals very well when properly applied, remains flexable over time and is made for the marine environment. It's also available at h.d./lowes etc. (around my area anyway) if your in a pinch. Sea going epoxy is for more permanent type installations like you shaft log or setting a jet pump intake adapter permanently in the hull.

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