Retaining walls are structures built to hold back soil and prevent erosion. They can also add an aesthetically pleasing feature to a homeowner's yard. However, building a retaining wall requires careful planning and consideration to ensure that it is constructed properly and serves its intended purpose. In this article, we'll discuss the top three things homeowners should consider when building a retaining wall.
Drainage
The first thing homeowners need to consider when building a retaining wall is drainage. Retaining walls can trap water behind them, which can cause pressure to build up and potentially damage the wall. To avoid this, homeowners should ensure that their retaining wall has adequate drainage.
There are a few different drainage options available for retaining walls. One option is to include weep holes in the wall. Weep holes are small openings that allow water to drain out of the wall. Another option is to install a drainage pipe behind the wall. The pipe will collect water and direct it away from the wall.
The cost of drainage for a retaining wall will depend on the size and type of wall being built. On average, homeowners can expect to spend between $500 and $1,500 on drainage.
Materials
The second thing homeowners need to consider when building a retaining wall is the materials they will use. Retaining walls can be constructed from a variety of materials, including concrete, brick, stone, and wood. Each material has its own advantages and disadvantages, so homeowners should consider which material is best for their specific situation.
Concrete is a popular choice for retaining walls because it is durable and long-lasting. It is also relatively easy to install. However, concrete can be expensive, and it may not be the most aesthetically pleasing option.
Brick and stone are also popular choices for retaining walls. They are attractive and can be designed to match the style of the homeowner's house. However, they can be more expensive than concrete, and they require a skilled mason to install them properly.
Wood retaining walls are a more affordable option, but they may not be as durable as other materials. They are also more susceptible to rot and insect damage.
The cost of materials for a retaining wall will depend on the material chosen and the size of the wall. On average, homeowners can expect to spend between $10 and $50 per square foot for materials.
Height
The third thing homeowners need to consider when building a retaining wall is the height of the wall. Retaining walls over a certain height may require a permit from the local government. In addition, taller walls may require additional support, such as tie-backs or soil reinforcement.
The cost of building a taller retaining wall will depend on the additional support required. Homeowners can expect to spend between $2,500 and $10,000 on a retaining wall over 4 feet tall.
Building a retaining wall can be a great addition to a homeowner's yard. However, it is important to carefully consider the drainage, materials, and height of the wall to ensure that it is constructed properly and serves its intended purpose. Homeowners should also budget accordingly, as the cost of a retaining wall will vary depending on the factors discussed in this article.
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