I've seen layouts at train shows that have plexi-glass screwed in around the outside of their layout to protect it and you can see the foam layers.
ops:
I've seen pictures of what looks like 1/8" composite material, usually brown, trimmed to match the height of the "ground" around the perimeter. What is this?
Ed

I've seen pictures of what looks like 1/8" composite material, usually brown, trimmed to match the height of the "ground" around the perimeter. What is this?
Ed