Which landscape retaining wall blocks are best ... and whether or not a geogrid (soil reinforcement system) should be used. Joe Blakeborough (right) owns and operates Blakeborough Hardscapes ...

Instead of a geogrid and loose gravel, the community garden can incorporate a retaining wall and vegetation into its walking path. A natural lawn with ground cover plants provides erosion ...

Comprising Anchor Vertica pre-cast concrete blocks with Paragrid 30/15 polyester geogrid, the retaining wall is straight for some 70m. Three metres in height for much of its length, the level falls ...