A retaining wall is installed to build a separate patio level on sloping ground. It is also used to support earthen banks. Retaining walls don’t just add attractive design elements to your home. They also protect homes from flooding.
The most popular materials used for retaining walls include pressure-treated columns, railway ties, cedar or redwood posts, field stones, pressure-treated posts and frames, flagstone, river stones, and broken concrete parts.
Sloping earth can exert considerable pressure especially when wet, retaining walls should not exceed four feet. If you need higher retaining walls, it should be engineered by a skilled landscape architect or structural engineer. It isn’t worth taking the risk of having the retaining wall collapsing, causing injury to somebody.
How to Install Retaining Walls
The foundation of a retaining wall must be firm to reduce earth-related problems, such as settling under a wall that could destabilize the wall itself and break the mortar. Large rocks that are installed in the ground would make a good footing for a retaining wall made of stone. But under the concrete or brick blocks, the walls should must a footing made of concrete.
If you reside in an in area where the ground is freezing, you should place the foundation of the retaining wall below the line of frost. You can go to the office of the local building inspector to know what depth is recommended.
Types of Retaining Walls
It is possible to make retaining walls out of interlocking blocks, timber, stone, concrete, and brick. Timber costs the least, but if it does not have proper drainage, it can cause rotting and cracking. Interlocking blocks are stronger, but if they are not drained well or high enough, they will bulge or crack against whatever they are protecting.
It is possible to stack stones and masonry retaining walls in place to make it more stable. When rocks are piled against an earthen bank to form a retaining wall, the bank must be tilted back a few degrees so that the wall will lean against it. Do the same for concrete and bricks.
How to Build a Retaining Wall
When installing a retaining wall, allow it to go as far as possible and match the land’s natural curves. Not only that breaks the boredom of having a strictly straight wall set after the topography, but it also results in small niches and promontories that create inviting and natural seating areas.
The buildup of groundwater must not be allowed retaining walls. Mortared stone and brick must have daily intervals weeping holes along the retaining wall’s base to provide ways to let the groundwater pass through. Loose stonewalls don’t need precise weeping holes since water passes through rock openings.
If you need to install these walls in your yard, you must find an expert contractor of a retaining wall St Louis. They are the ones who can provide you with the results that you need without worrying about getting inferior results. With the help of experts, your retaining walls will last for a very long time with minimal maintenance.