What's a good fast drying silicon?

Discussion in 'Boat Yard Basics' started by kooker, Oct 12, 2012.

  1. kooker

    kooker I Love microskiff.com!

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    There's two holes in the transom from the previous owners outboard. What's a good, fast drying silicon that can protect these holes from water intrusion?
     
  2. tightloops1900

    tightloops1900 I Love microskiff.com!

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    Use fast drying 5200 below the waterline sealant by 3M. Fill hole and clean with rubbing alcohol....IMO
     

  3. kooker

    kooker I Love microskiff.com!

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    I saw the 5200, but I noticed that it was a permanent bond (blue cylinder). Are you talking about the red one? And if so, do they usually sell them at Ace, Home Depot, Lowes?
     
  4. Swamp

    Swamp I Love microskiff.com!

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    Use thickened epoxy (like a wood flour and epoxy mix) . Caulking (whatever brand) will fail eventually. If you have already used caulk then over-drill and use the epoxy.

    Swamp
     
  5. jms

    jms don't let common sense get in your way

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    excellent advice

    use a counter sink bit on both sides of the hole,tape one side,fill the hole,push a tooth pick in the hole - this will get any trapped air out,fill it again,then tape the other side- the tape will peel right off,when the epoxy kicks...
    using a silicone,5200,or any other caulking is asking for trouble - it's gonna fail...
     
  6. DuckNut

    DuckNut Brandon, FL

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    Caulking has no place on a boat - unless you are placing it up for sale.
     
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