Page 2 of 2 FirstFirst 12
Results 21 to 22 of 22

Thread: Terraforming with spray foam

  1. #21
    Join Date
    Apr 2014
    Location
    southeast michigan
    Posts
    1,624
    Thanks
    1,140
    Thanked 2,738 Times in 896 Posts
    Mentioned
    79 Post(s)
    Tagged
    0 Thread(s)

    Default

    Technically not terraforming, but next step is ballasting.

    Not my favorite part of model railroading. I use Woodland Scenics fine ballast. I use a seed dispenser, a dollar store cosmetics brush, and the usual 1:1:1 Elmer's H2O Iso and medicine dropper.


    I paint the cork shoulders with Elmer's and add ballast to that; it helps keep the stuff from falling off the shoulder. Then I make a nice linear pile of ballast between the rails and sort of bulldoze and clean off the ties with the cosmetics brush. I add more outside the rails until the shoulder line is gone. Mist with isopropyl and flood 1:1:1 between the rails twice, than add more 1:1:1 wherever unflooded ballast remains. You need continuous ballast over the top of the shoulder so that the glue will soak down to the ballast below the top of the cork.

  2. The Following 11 Users Say Thank You to NtheBasement For This Useful Post:


  3. #22
    Join Date
    Jun 2012
    Location
    zombietown
    Posts
    1,480
    Blog Entries
    13
    Thanks
    4,371
    Thanked 1,000 Times in 533 Posts
    Mentioned
    11 Post(s)
    Tagged
    0 Thread(s)

    Default

    To control the expansion I covered it in clingfilm ,this lets you mould it a bit as well, when its dry it peels right off.

  4. The Following 4 Users Say Thank You to grrf For This Useful Post:


Similar Threads

  1. Replies: 13
    Last Post: 8th Feb 2020, 03:28 PM
  2. Cheap Spray Foam Risers - Where is that thread?!
    By r6racer in forum Structures & Scenery
    Replies: 6
    Last Post: 5th May 2013, 07:56 AM
  3. Filling irregular spaces with spray foam
    By TwinDad in forum Modeling Techniques
    Replies: 15
    Last Post: 8th Sep 2011, 02:42 PM
  4. Painting SPRAY on foam
    By pbender in forum Structures & Scenery
    Replies: 9
    Last Post: 14th Apr 2006, 05:58 AM
  5. Replies: 6
    Last Post: 13th Mar 2006, 01:38 PM

Posting Permissions

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