@Richie C. posted:I have 3/4" thick rigid foam insulation board from one of the big box stores glued to plywood. It was painted and turfed. I have kneeled, leaned and stood on it with no issues.
One advantage of using foam is that makes a nice and easy surface for mounting anything that has to "stick" into the layout, like trees, signs, crossing flashers, telephone poles, etc.
To add on - if you use any type of accessory the bases are easily embedded in the foam so the accessory is at ground height. And if you like the MTH/Lionel buildings with the curb that's too high they are easily recessed in foam as well. There's no hassle of cutting holes in the plywood and heck, did you ever cut a hole for an accessory base only to find you're directly on top of a support beam and have to cut into it (or move)?
-Greg
