Originally Posted by Fec fan:
Both Homasote and foam board are building materiel. Thus, they will last for a very long time. Gilly has it right-- homasote for the base under the track, foam for scenery.
I agree! Both materials will outlast you, and what you use pretty much depends on what you're looking for most...sound reduction or scenery-building potential. No real need to use both, though, although I guess it won't hurt anything.
