HDU Duna Sign Board 15 pcf 4 x 8 x 1.5"
Tough, weather resistant 1.5" HDU is a lightweight, high density polyurethane board (HDU). It’s closed cell structure makes it completely waterproof, allowing for the application of almost any finish. HDU can withstand all weather conditions and is ideal for the sign industry. Can be routed, carved, and sandblasted more efficiently than wood substrates and other high density urethane products on the market.