View the Grass Concrete entry on BPindex Visit the Grass Concrete website Vertical Opportunity with Creative Structural Integrity The Betoconcept range of earth retaining walls from Grass Concrete Ltd combine both structure and aesthetics. This hospital re-development featured a number Betoconcept earth retaining walls.Ā One was a challenging construction, requiring a 4-metre-high wall, which had to work around contiguous concrete …