Product Description: Omega Lusterboard or also referenced to as NuAlum Board is painted aluminum bonded to both sides of a furniture grade exterior plywood core. Commonly used for project boards, building signs and directional signs and the aluminum skin gives this project sign a clean finished look! Average outdoor life expectancy when properly installed is 5 years, depending on the climate. This sign board is overlaid with digital printed vinyl with UV lamination to protect print up to 5-6 years. Maximum size before paneling boards is 4ft x 10ft.