1/2in. , 4 lb. Density, Last A Foam, Rigid Polyurethane Foam, suitable for core material or modeling. 2' x 8' sheet.
Available in 4lb and 6lb density as stock items and other densities by special order. Shapes well with common woodworking tools and holds fine details (the higher the density the finer the detail it can hold)
Has a light tan color.