There is a new liner design for StoneTree Fence Wall System called Rocky Mountain Ledgestone. The forming system produces large-profile vertically cast precast wall sections in which the column and panel is manufactured as one integral unit. The system also employs an interchangeable form liner format which expands the precaster’s options with the ability to produce a variety of textured finishes using the same forming system. AFTEC. 866-370-3676.