Retaining walls change the look of your property. They hold back soil on sloping grounds during erosion and give an aesthetic look to your garden. Various materials go into making a retaining wall. Some significant functions to consider during their construction are as follows: Abiding by the Law Did you know which specific codes to follow while constructing a retaining wall? The Australian Standard, AS4678 – Earth Retaining Structures, gives information on walls greater than 800mm and less than 15m in height. It also deals with walls that are 70° or more to the horizontal. Though AS4678 is a national retaining wall design standard, the local and state government rules vary all around Australia. Retaining walls taller than one metre or constructed on or near site boundaries require a building permit and must be built by a registered builder only. It is essential to know the laws before you start building your retaining wall. Materials Today, retaining walls are built with an arra...