Sign·Foam is the most reliable and enduring material on the market for dimensional sign making, environmental graphics, 3-D displays and model making. This proven, high-density urethane (HDU) foam board delivers exceptional versatility and outstanding value. Whether carved, routed, sandblasted or machined, it is ideal wherever a uniform, grain-free, dimensionally stable material is desired. Sign·Foam transforms the lost art of sign making into the next dimension of artistry and craftsmanship, satisfying aesthetic sensibilities as well as functional requirements.