In our surroundings we see a lot of buildings and free land. There are also concrete retaining walls which support these buildings. Concrete retaining walls are used as such places where are slopes caused by soil erosion due excessive rain. To level the land concrete retaining walls are used. Their height is approximately of one feet or one and a half feet but it could be increased according to the requirements. Concrete retaining are walls which are used to support the soil so we can say that it acts as the basement for it. Concrete retaining wall generally stays and last for centuries so the material used in it should be of good quality which helps it to stay. Material used in it may include brick, wood, concrete blocks, stone veneer, timber, gabion, natural stone, limestone, boulders, pour concrete. Concrete blocks provide the reliability and durability to the wall as they are strong and there is no need to clean then on regular basis due to their architecture. Their material is non-toxic so economically and environmental they are friendly but due to their hardness they are difficult to mold in different shapes. Stone veneer is basically a protective layer over the straight wall. It gives a unique and antique look to the wall. Its texture has its own uniqueness. There is no alternate or better thing other than natural stone and it is responsible to stay for centuries. To strengthen the wall sometimes outer boundary is made up of bricks or stone and concrete is filled inside it, this also increase the reliability. At some historical places we see a boundary made of steel wire and gauze and it is filled with medium sized pieces of stones. It also acts as the retaining wall and is termed as gabion as this word is derived from Italian language which means a cage. Gabion retaining wall extremely looks like a cage holding the stones inside the gauze. Most probably it is used for security purpose in restricted areas and in sensitive areas as it provides safety and proper protection due to its strength and reliability.

Many fence builders are working in society by placing fence at boundary walls of commercial areas. These commercial fences stay over the retaining walls as it secures land from erosion and also provides strength to the fence. Different types of concrete fence panels  are laid over these retaining walls related to the place as commercial or industrial area. Some fences are ornamental which are most probably used at historical sites to save the precious assets and property. Some fences are galvanized while other are non-galvanized. A proper maintenance and care is required according to climatic conditions for these commercial fences by the fence builders as there is need of paint over it which may secure it from corrosion and rust.

Limestone is another great material which is highly recommended for retaining walls. It is sedimentary rock and it is very fragile. Many famous buildings are made up it.

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