Boulder walls are considered the oldest and most durable retaining walls. Boulders are natural stone and since natural stone is available in all shapes and sizes they are easy to find and an economical alternative to expensive retaining walls. The cost of different types of boulders may defer depending on its quality and the availability. For example field stone is inexpensive since it is easily available as compared to quarried stone.
Boulders walls give the landscape an artful and eco-friendly look which fits boulder wall Gold Coast properties and is yet another reason for it to be the preferred choice.
In addition, boulder walls last longer and will be around for many years. Several attempts have been made to construct retaining wall structures using material such as timber, wood, steel, concrete to prevent erosion especially in areas that are constantly facing dangers of flooding in the coastal areas, however these boulder substitutes have not proved to be successful. In certain extreme weather conditions even boulder walls are unable to live up to their name. This causes several hazards around coastal belts where the boulder walls are used, usually dislodging the boulders from their original state. The reason for this is that the boulders are not fixed with mortar or cement; they are simply placed on top of each other. Once these boulders get dislodged, it is a simple fact of installing the structure where it is more resistant at the base of the wall. One must keep in mind that boulder retaining walls are the most durable and stronger that other walls.
The only disadvantage of boulder walls is that they cannot be built as high as you like them or as high as a reinforcement wall. The maximum height a boulder wall is built is upto 4 -5 feet. Attempting to build higher boulder walls can be unsafe. There are instances where boulder walls are constructed more than 5 feet, it is only done with a second wall or tiers.
Boulder walls have many advantages as opposed to the disadvantages making it the preferred choice for retaining walls.
Author: Todd Johnson
Email: Todd@australianwebsitedevelopment.com.au
Mobile: 0449 041 815
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