Composite finishing boards are a versatile product, they are most commonly used as a method to provide a clean finish to the top or bottom of a wall of cladding. Finishing boards can also be used to create a variety of garden features such as planters and seating areas. The Argent finish is one of the darkest in our composite cladding range, a combination of dark blue and greys that creates a contemporary multi-toned and#039;Anthraciteand#039; finish.