Reply to "14x24 Atlas-O (was 12x20 & 12x24) Layout Plan. With 11x19 FasTrack Version. Short Video of Trains Running Added!"

Mark Boyce posted:

I setup a ‘temporary ‘ Christmas layout on 2” foam supported by about 20” centers.  It stayed up for 3 years without a sag.  Now I’m building permanent on 1/2” wood and Homasote for track, but I don’t mind building a town on foam .

Mark, I did a test of 12" overhang with a train parked for about 6 months, with no discernable deformation of the foam.   I am planning on 16" centers, but with 2"x2" supporting the foam at each center, so really about a 14" span between supports.

Last edited by Ken-Oscale
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