The Quarry Mill's Preston real thin stone veneer creates a beautiful exterior on this building. Preston is an earth tone natural fieldstone thin veneer. The stone starts as a fieldstone that is hand-picked along the fence lines of centuries-old farms. The stones are exposed to the elements and weathered from sitting on the fence line for years. The amount of weathering varies depending on if the piece was constantly exposed to direct sunlight or was shaded at the bottom of the pile as well as the amount of moisture present. This gives each individual piece varying degrees of beautiful earth tones. The raw irregular pieces are hand-picked and split with a hydraulic press into strips. Preston is intended to be installed linearly in the ledgestone style.​