Segmental Block vs. Boulder Retaining Walls: Engineering, Costs, and Wall Heights
Segmental block retaining walls offer precise grades, uniform appearance, and engineered geogrid reinforcement for taller or heavily loaded walls. Boulder retaining walls rely more heavily on the mass, placement, batter, drainage, and interlock of large natural stone. In Connecticut, there is no universal rule saying every wall under 4 feet can be built without engineering. […]