Segmental Retaining Walls

National Concrete Masonry Association 

NCMA is the national trade association representing the producers and suppliers of concrete masonry products, including concrete block, manufactured stone veneer, segmental retaining walls and articulating concrete block. The Association’s mission, through nearly a century of advocacy, remains to advance, protect and promote the common interests of its members. Through leadership, promotion, education, research, government relations and partnering, NCMA ensures that members’ products are the building materials of choice.

Segmental retaining walls (SRWs) are gravity retaining walls that rely primarily on their mass (weight) for stability.