Results 1 to 5 of 5

Thread: Molding Question

  1. #1
    Constant Bitrate
    Join Date
    Jun 2010
    Vancouver, Washington, United States

    Molding Question

    I'm looking to do a custom in-dash car PC and want to make sure not to screw up and end up designing the exterior around the components I put behind it. What I want to do is find a way to fit as large an object as possible in the dash area (something that can easily be reduced in size) so I can create a fiberglass shell that I can use for a space reference without constant fit testing.

    I was thinking of using a styrofoam block that I can easily cut away or simply crush down (like hobby styrofoam) into the shape I need. My concern with that was the mess. Is there by chance an expanding foam I could use for this task? Otherwise, does anyone else have any suggestions?

  2. #2
    MySQL Error soundman98's Avatar
    Join Date
    Jan 2008
    on the border of northern IL/IN
    you can use foam like this:

    but once it hardens, it will be just as messy to cut as the normal pink foam..

  3. #3
    FLAC PhilG's Avatar
    Join Date
    Mar 2009
    Ontario, Canada
    I would suggest using the green foam used in floral arranging; trim it to the max size of the interior space you have to work with then do a FG mold off the outside.
    Cover the foam in foil tape or similar and wax it up. You then might even be able to pull the mold without having to dig the foam out of the inside.
    My 2007 Ford F350 Work Log located HERE

  4. #4
    Variable Bitrate djvillar's Avatar
    Join Date
    Sep 2006
    New York, New York
    Go with Greene block. Greatstuff will expand and spill all over. Also, it's like sludge so you'll have to spray a bit, wait for it to harden. Spray again, wait... Spray again...

    I guess maybe a mix of both method might be best. Tape it all off inside and surrounding areas. Rough block it out with the green stuff. Then work the tube from Greatstuff in the back, spray a bit to fill in the voids/gaps, then a bit in the front to match the surrounding dash opening. Pop that sucker out and glass it to get your container... Done.

  5. #5
    Constant Bitrate
    Join Date
    Jun 2010
    Vancouver, Washington, United States
    Quote Originally Posted by djvillar View Post
    Tape it all off inside and surrounding areas.
    That kind of answer is why I asked. That never even occurred to me. Thank you guys, very much.

Similar Threads

  1. heavy-duty OBD standards support question
    By Michael2006 in forum Engine Management, OBD-II, Engine Diagnostics, etc.
    Replies: 0
    Last Post: 01-07-2007, 05:13 AM
  2. Replies: 2
    Last Post: 05-02-2006, 06:15 PM
  3. Forum Etiquette
    By Enforcer in forum Newbie
    Replies: 5
    Last Post: 01-09-2006, 06:58 PM
  4. Paint And Polish Question
    By gboy in forum Fabrication
    Replies: 8
    Last Post: 08-13-2005, 08:22 PM
  5. FM Card Question....
    By Superbike1k in forum Car Audio
    Replies: 1
    Last Post: 05-16-2005, 10:03 AM


Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts