In landscaping there is a stabilizing structure that is used to strengthen sloping ground in a particular place and also to prevent soil erosion known as the retaining walls in Chatswood. This structure must be strong enough to accommodate and create a uniform pressure out of the lateral pressure generated by sloping grounds. In that case the structure is usually designed with seepage holes which give the collected ground water and leeway to escape. Once the water have pathway to escape the pressure on the wall is also eased ensuring that the water remain stable.

There are various materials that can be used in the construction of the retaining wall. Among the materials used is the concrete and stones, also there are other special blocks that are specially crafted from aggregate materials and light concrete for the same uses. In the constructions there are various styles used that interlock, making the construction easier, faster and less costly, since most of the blocks usually intertwine with each other fitting securely with the next. These kinds of blocks ensure that less mortar is used because the block fits to each other very securely.

The common wall can be a representation of tiers or steps. These designs have an attractive appeal to them and also create a great soil control mechanisms. In the end the gardening desires are elaborated ion the walls especially those that leave room for plant life. This can be described as landscaping ingenuity with engineering precisions.  The overall design that is incorporated in the wall include the plants, flower or any other materials that is presumed necessary in the tiers for bringing out extra colours, texture and interest to the whole landscaped area. There are advantages associated with using the tier designs in the walls; one is that the slope structure that is marvelously created adds aesthetic value to the area and also it is very convenient for control the movement of soil. As a result the tiered design enables the better soil erosion control when it breaks down the amount of soil and consequently the pressure that is held by each component of the wall.

In the past the most common materials that were used in the construction of the walls were large stones and railroad ties. However, modern construction of the sloping grounds has evoked an array of styles and also various types of blocks that are specifically made fro these purpose. In most cases most people choose the pre formed blocks since they are simple to use and quite affordable. In a way the use of these materials have made the other methods of construction seem obsolete, of course there are those that would prefer the resemblance of wood or rough stone. However, various materials are used in paving in Hurstville.

The home owner has the option to either build the wall on his own or they can ask enlist the services of a professional. In order to have all the dynamics in the right place the wall should be level to ensure a stable structure once finished. Also each layer must be back-filled so as to give it substance and to ensure it has good drainage. In most cases the materials used to back fill include leftover soil, stone, pea gravel and sand.