Hi-Way Concrete Products is a licensed manufacturer of the Keystone Retaining Wall System. The Keystone Retaining Wall System is the structurally-sound, aesthetically-appealing, easy-to-install, and economical solution to replace boulder, timber tie, and cast-in-place retaining walls. As a gravity wall system, the original Keystone Standard Unit provides the weight and stability to resist applied earth pressures for walls up to six feet high. Keystone offers a wide variety of products with different sizes, shapes, face textures, and colors for superior gravity and reinforced walls that range in size anywhere from one unit tall to higher than 50 feet.
