A Balsa Foam Primer
Railroad Model Craftsman 2015-12
Structures - Bridges
American Art & Clay Co.'s Balsa Foam is a dense, rigid plastic foam made from phenolic resin that "carves like butter and paints like wood," as their slogan says. The author shows his use of this material to carve bridge abutments, a concrete underpass, a concrete loading platform, and signaling mast pedestals.