Engineered for the most challenging applications, Rib Rock Landscape Block effortlessly build oversize walls. Their large scale and natural aesthetics make a dramatic statement. Rib Rock units can easily construct walls from 6 feet to 20 feet high with additional site-specifi c engineering. Their size speeds up construction allowing for more square footage to be placed at one time, and their interlocking design allows for easy installation and enhanced security. Manufactured to hold back a lot of earth, Rib Rock units are the perfect solution for demanding projects that require lasting strength and enhanced durability.