How to trim expanding foam?

Discussion in 'General Modeling' started by Turdbol, Jun 22, 2015.

  1. Turdbol

    Turdbol New Member

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    Hello all! I have a new bust that was filled with expanding foam and covered with (plaster?) something. I need to trim the foam back for finishing, and the xacto knife isn't doing it! What are your ideas for trimming/cutting expanding foam?! Thanks!
     
  2. Exterminator

    Exterminator Active Member

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    I've used saws to chop through expanding foam before, that works.
     
  3. Jedi Dade

    Jedi Dade Sr Member

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    Saws to get close - files to work fine (if needed).

    Jedi Dade
     
  4. rbeach84

    rbeach84 Sr Member

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    Thread! Couple of pieces of dowel and length polyester or cotton thread between to make a mini-cable saw. Work at a speed that doesn't break or overheat the thread...as long as the 'thermal failure point' of the thread is higher than the melt temp of the plastic, it should "cut" it fine.

    R, Robert
     
  5. IEDBOUNTYHUNTER

    IEDBOUNTYHUNTER Sr Member

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    I would recommend. EXPLOSIVES. a small charge in the center of the foam. should knock it out of there.
     
    Sean and Randy13 like this.
  6. rbeach84

    rbeach84 Sr Member

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    IBH, what do you consider "small"? ;^P

    Regards, Robert
     
  7. IEDBOUNTYHUNTER

    IEDBOUNTYHUNTER Sr Member

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    That all depends on what you need to accomplish.
     
  8. madmikeee

    madmikeee Sr Member

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    [​IMG]
     
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