foam board sheets for boat floor insulation/floatation?
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Thread: foam board sheets for boat floor insulation/floatation?

  1. #1
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    Default foam board sheets for boat floor insulation/floatation?

    Has anyone ever used the sheets of (blue or pink) foam board insulation sold at the Big Box stores as a source of insulation and/or flotation in your boat? I am reading a suggestion on the web that it is a good way to add the flotation and insulation when replacing a boat floor. Thanks.
    "I never let my schooling interfere with my education" Mark Twain

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  3. #2
    Senior Member
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    May 2008
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    Quote Originally Posted by rancocasrich View Post
    Has anyone ever used the sheets of (blue or pink) foam board insulation sold at the Big Box stores as a source of insulation and/or flotation in your boat? I am reading a suggestion on the web that it is a good way to add the flotation and insulation when replacing a boat floor. Thanks.
    Yes I rebuilt a 1969 sportcraft years ago.
    I used the pink insulation board from home depot for the flotation and support in between the stringers under the floor.
    Before I used it I took a piece of it and submerged it in a 5 gallon bucket of water for about a month or so.
    When I took the weight off it that was keeping it submerged it popped right up to the top ... it was totaly water resistant ... it didn't retain any of the water.
    I had the boat for 8 years and never had a problem with it.

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