A non-shrinking, easily sanded and lightweight filling material having the same characteristics as foam. Fill cracks and gaps on foam and sand when dry.

16 oz vol (473 mL)

Subterrain Lightweight Layout System®

Woodland Scenics has simplified the process. Build a layout fast and easy. 

SubTerrain is the most innovative foam system for building model train layouts. 

The revolutionary, high-density foam components of the SubTerrain System are extremely lightweight and easy to use. 

They require no expensive power tools, there is no dusty mess, no complicated calculations required and most importantly, no experience is necessary.