Custom Rock Formliner provides the highest quality products for the Cast-in-place, Precast and Tilt-up industries. Specializing in simulated stone masonry form liners and offering the widest range of standard rock and stone patterns, Custom Rock Formliner is the clear choice for your architectural surface treatment Whether it’s for bridges, sound walls, flood control walls, guard walls, retaining walls or any architectural concrete form liner project where the natural beauty of stone is desired and the strength and durability of concrete is essential, Custom Rock provides the highest quality formliner on the market.