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foaming under new floor?

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  • foaming under new floor?

    hey im completely rebuilding the motor in my 19'6 hardtop gp. motors out tanks out. need to do a little fiberglass work on the stringers and cut some more wood out and replace. but it a foam stringer boat. there dry and overall in good shape. i have a aluminum tank. Im thinking nows a good time before i put the floor in to poor the foam, after its dried shave off the excess that way i know it all fills. ive seen the tab the floor in then drill holes and poor and i just dont like the idea of a bunch of holes in my new floor. also how much would i need didnt find where it listed how much a two gallon mix would make.

  • #2
    Thats how Id want to do it too. As far as how much volume the expanded foam would fill from a two-gallon mix, youd probably have to consult the information from the foam supplier.
    -- Tim Taylor

    1979 Glasply 21-foot I/O Overnighter w/ 5.0L Volvo-Penta duoprop (Cardinal)
    1982 Glasply 16-foot runabout w/ 50hp Mercury OB (JV Junior)
    1978 Glasply 19-1/2 foot runabout, project boat (Beer Goggles)


    You do not need a parachute to skydive. You only need a parachute to skydive twice.

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    • #3
      When I was building stringers for my boat, I bought a 2 part kit from SPI in Tacoma that was two 5 gallon buckets. I would give them a call and see what they recommend and how far it would go with your project. Since the floor is up I would do it before laying it back down like you described. On other forums I have seen people shoving pool noodles down there .
      1981 Hardtop Cuddy Alaskan Bulkhead Rebuild Thread
      1972 HT Cuddy-Rebuild Thread
      8' 650cc Kawasaki powered dinghy

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      • #4
        Originally posted by nova7163 View Post
        On other forums I have seen people shoving pool noodles down there.
        Or ping-pong balls!
        -- Tim Taylor

        1979 Glasply 21-foot I/O Overnighter w/ 5.0L Volvo-Penta duoprop (Cardinal)
        1982 Glasply 16-foot runabout w/ 50hp Mercury OB (JV Junior)
        1978 Glasply 19-1/2 foot runabout, project boat (Beer Goggles)


        You do not need a parachute to skydive. You only need a parachute to skydive twice.

        Comment


        • #5
          thanks im going to check with spi!
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