2 part floatation foam, is there a material that it doesn't stick to??

Discussion in 'Fiberglass and Composite Boat Building' started by Skua, Aug 9, 2016.

  1. Skua
    Joined: Apr 2013
    Posts: 147
    Likes: 5, Points: 18, Legacy Rep: 73
    Location: Hunt's Pier WW NJ

    Skua Senior Member

    I would like to form it in place before laying in the deck, and need a material for a temp form.
     
  2. The Q
    Joined: Feb 2014
    Posts: 199
    Likes: 28, Points: 28, Legacy Rep: 21
    Location: Norfolk, UK

    The Q Senior Member

    Never come across anything it didn't stick to that was cheap, My solution was to line the area with a plastic bag if small, plastic taped together with duct tape if large.
     
  3. PAR
    Joined: Nov 2003
    Posts: 19,133
    Likes: 488, Points: 93, Legacy Rep: 3967
    Location: Eustis, FL

    PAR Yacht Designer/Builder

    Plastic packaging tape works, as do most of the polyethylene and polystyrene materials. The foam does stick, but not well, so it's easily removed. Wax and other mold release agents, such as PVA's also work.
     
  4. Skua
    Joined: Apr 2013
    Posts: 147
    Likes: 5, Points: 18, Legacy Rep: 73
    Location: Hunt's Pier WW NJ

    Skua Senior Member

    Thank you.
     

  5. JR-Shine
    Joined: May 2004
    Posts: 341
    Likes: 4, Points: 18, Legacy Rep: 54
    Location: Vero Beach, FL

    JR-Shine SHINE

    Packing tape works well, I have made a number of molds using it to release, also pva sprayed over melamine plywood.
     
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