ACM - Aluminum Composite Material is a rigid sign board with an aluminum surface on both sides and a resin core. There are many different brand names for this product including Dibond, Polymetal, E-Panel and others. It is an excellent material for long term outdoor signage at a reasonable cost. These signs can be finished with a matte or gloss laminate and have a life expectancy of at least five years. They can be shape cut and easily drilled for simple installation. They are frequently used for permanent installation on fence and buildings as well as interior and exterior wayfinding signage. They have a smooth & refined finish. ACM signs can be any size up to 5ft x 10ft.