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  1. #1
    Join Date
    Nov 2018
    Posts
    1

    Default 1985 COMP TS6M rebuild

    I am in the process of replacing all the stringers in my Supra. I am close to putting the floor back on and I am looking at what foam to buy. I don't know if I should buy the 2lb or 4lb Density closed cell foam to put under the floor?


    Any help??

  2. #2
    Join Date
    Jul 2007
    Location
    Flowery Branch Georgia
    Posts
    2,680

    Default

    I used 2'' closed cell house foundation foam sheets. I cut it into small pieces and fit it between the stringers and the bulk heads . It gives the sound deadening and flotation and still allows water to flow under and into the bilge.

    This is a Correct Craft I am doing I just started the foam.

  3. #3
    Join Date
    Apr 2009
    Location
    SE MICHIGAN
    Posts
    77

    Default

    2 school's out there. To foam or not to foam be it nobler to obey all the coast guard laws or save the labor of not doing stringers again ( enough shakespeare ) i dont foam. at the end of the day it really doesn't matter the difference is the density more structure with 4 than the 2 your not using it for structure so go with whatever is more cost effective
    1986 TSM6
    1987 SALTERA

  4. #4

    Default

    Quote Originally Posted by michael hunter View Post
    I used 2'' closed cell house foundation foam sheets. I cut it into small pieces and fit it between the stringers and the bulk heads . It gives the sound deadening and flotation and still allows water to flow under and into the bilge.

    This is a Correct Craft I am doing I just started the foam.
    Had to snoop over on ccfan. New project looks good!

  5. #5
    Join Date
    Jun 2010
    Location
    Oregon
    Posts
    302

    Default

    I have an 86, which I am just now finishing up replacing the floor and stringers in. I used
    Fiberform II. It comes in 1 gallon part A and 1 gallon part B kit. You will need 2 kits. I would suggest watching a YouTube video. Ski boat parts online is a good one to watch. Note temperature critical, if you're working environment is not at 70° the expansion reaction will not work properly.

  6. #6
    Join Date
    Jun 2010
    Location
    Oregon
    Posts
    302

    Default

    Michael for your information I went through 13 gallons of resin.

  7. #7
    Join Date
    Jul 2007
    Location
    Flowery Branch Georgia
    Posts
    2,680

    Default

    Thats a lot of resin . Did you treat the wood with CPES?


    Foam almost done working on sub floor



  8. #8
    Join Date
    Jun 2010
    Location
    Oregon
    Posts
    302

    Default

    Yes CPES. I installed a layer of CS MAT matting on the bottom side of the plywood with a top layer of KNIT +/- 45 17 OZ W/MAT. the top mat that drank a lot of resin.

  9. #9
    Join Date
    Jul 2007
    Location
    Flowery Branch Georgia
    Posts
    2,680

    Default

    Over kill I love it . I did not glass the decks 2 coats of CPES only.

  10. #10
    Join Date
    Jul 2010
    Location
    N.W. Suburbs Chicago, IL
    Posts
    2,290

    Default

    The floor of my Comp has at least three layers of cloth overlapped in a staggered pattern and at the seam it is four layers thick. Pretty sure the floor is not in danger of sagging or rotting and that is after I treated it with CPES both sides.
    '86 Comp TS6M - Reborn 2016
    Riding a HO Sports CX Ski

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