Vertical elements offer a practical and aesthetic addition to one's yard, the use of new materials will offer visual interest. While having knee walls are great to separate spaces and create new places for one to sit and lounge. Walls can be used on their own or with other features such as waterfalls and fireplaces to complement one's patios and seating areas. Walls are also used for retainment when yards have different gradients from one area to another. Used to hold back base materials and encase steps. Walls are usually built on concrete foundations with proper drainage so you will never have to worry about walls “Bowing” or falling over.
