Knowledge Builders

do i really need a retaining wall

by Prof. Melvina Yost III Published 2 years ago Updated 2 years ago
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YOU NEED TO PREVENT EROSION.
Retaining walls can prevent soil from falling down a slope onto your home. They can also prevent dirt from falling down a slope and out from under your house. Both of these situations are very serious, and a retaining wall may be the only thing between you and losing your home.
Nov 11, 2019

Full Answer

What happens without retaining wall?

Without a retaining wall, mud, soil, and water can flow down into your yard and cause considerable issues for your property. In severe cases, it can even damage the foundation of your home and compromise its structural integrity. As such, a retaining wall will keep your land useable and your property safe from harm.

Is a retaining wall worth it?

You Might Need a Retaining Wall If… You need a way to control downhill erosion. If mountains of erosion materials are clogging important areas on your property, adding a retaining wall is a wonderful idea. Retaining walls minimize erosion by decreasing the angle of a slope and holding back soil.

What can I use instead of a retaining wall?

The most common retaining wall alternatives are:Natural stone or brick walls.Wooden timbers.Gabion walls.Precast concrete.Hedges and natural trimming.Bioengineered soil walls.Natural Borders, Stones, and Mulch.

What slope needs a retaining wall?

Design and build your retaining wall to slope at a minimum rate of one inch for every one-foot of rise (height). Fortunately, working with retaining wall blocks makes it incredibly easy to achieve this “step-back” construction!

At what height do you need a retaining wall?

The ideal height for a retaining wall is around five feet in the most optimal conditions. The best type of conditions for building a retaining wall is sandy soil that drains easily. Soil that is high in clay puts a lot of pressure on the new wall and it gets even heavier when it's wet.

Do retaining walls increase home value?

So, the retaining walls will definitely boost your curb appeal and instantly increase the value of your property and attract more prospective buyers.

What is the cheapest retaining wall option?

The cheapest type of retaining wall is poured concrete. Prices start at $4.30 per square foot for poured concrete, $5.65 for interlocking concrete block, $6.15 for pressure-treated pine, and about $11 for stone.

What is the easiest retaining wall to build?

What is the easiest retaining wall to build? Short walls under three feet high and constructed of concrete blocks or masonry blocks are the easiest type of wall for DIYers to build. They are ideal landscape solutions for a front yard or raised flower bed.

Can I build a retaining wall myself?

Retaining walls can be made from wood, bricks, natural stones or concrete blocks. For DIYers, it's best to use concrete retaining wall blocks, which can be interlocking and are heavy enough to stay in place without cement or other adhesive. Interlocking blocks fit together and add extra security to the wall.

How steep can a slope be without retaining wall?

The maximum slope for the soil you can safely go without a retaining wall is 35 degrees, especially if the soil is granular. If the angle is steeper, you will need a retaining wall to keep everything in place.

Does a 3 foot retaining wall need drainage?

If your retaining wall needs a drainage pipe, make sure the pipe has slots on all sides, not just one. A drainage pipe might be needed if: The retaining wall is at least four feet high or taller. Clay or other poor draining soils are behind the wall.

Why would I need a retaining wall?

YOU NEED TO PREVENT EROSION. Retaining walls can prevent soil from falling down a slope onto your home. They can also prevent dirt from falling down a slope and out from under your house. Both of these situations are very serious, and a retaining wall may be the only thing between you and losing your home.

Why would you want a retaining wall?

YOU NEED TO PREVENT EROSION. Retaining walls can prevent soil from falling down a slope onto your home. They can also prevent dirt from falling down a slope and out from under your house. Both of these situations are very serious, and a retaining wall may be the only thing between you and losing your home.

What are the benefits of a retaining wall?

What Are The Benefits Of A Retaining Wall?Prevent Flood Control With A Retaining Wall. ... Retaining Walls Can Add An Attractive Element. ... Provide A Solid Property Boundary Marker. ... Slow Down Soil Erosion With A Retaining Wall. ... Make Better Use Of Your Available Landscaping Space. ... Reduce Potential Damage And Maintenance.More items...•

Do I need drainage behind retaining wall?

Retaining wall drainage is critical. It ensures water does not collect behind the wall, causing it to fail. A quality drainage system collects and redirects rainwater away from the wall. It decreases pressure on the soil around the foundation and within the wall itself, reducing erosion and settlement.

What is the cheapest retaining wall to build?

Wood and masonry retaining wall block are the two cheapest materials to use for building retaining walls. With wood, 100 square feet of rail ties or six-by-six pressure-treated wood can cost as little as $1,000 to $1,200 on a do-it-yourself basis, up to $2,200 to $4,600 for a higher wall professionally installed.

Why do you need a retaining wall?

If your property is at risk of flooding, then it is necessary to install a retaining wall. Wall techniques such as retaining walls can help protect your yard from flooding as it is built with drainage stone that has qualities to prevent water from building up and letting them flow properly. In addition, you will no longer wake up to muds, and you will no longer worry about floods ruining your property.

Why do you put a retaining wall on top of a house?

The top of the retaining wall is perfect for extra seating, especially if your house is not that spacious . It looks appealing and at the same time useful since your visitors can use its top to sit and chat with each other.

Can you separate your backyard?

You can creatively separate your backyard by installing a retaining wall. Or you can just build a retaining wall to add aesthetic appeal to your home. There are different retaining wall design options you can choose from, such as timber walls, natural stone (which are the most gorgeous stones you will ever see), or a concrete wall.

Can rain damage a retaining wall?

Heavy rainfalls may cause more danger to you as they can get into your basement and erode your foundation. However, if you have a properly built retaining wall, you might no longer worry about the water runoff as it will flow around your house and go into the drainage system. Also, it will provide more stability to your property since it prevents water from eroding.

Can you use flat areas as a garden?

With this, you may use the flat area like a garden to grow your greenery.

Can a landscaping contractor provide retaining wall?

So, if you are confused about the things mentioned above, you can call a reliable contractor to know about your options. Remember that only a skilled and trusted contractor can provide you with the highest quality retaining wall.

When do you really need a retaining wall?

If you are still torn about whether to “build or not to build” a retaining wall for your property even if you have been thinking about it for the last couple of months, we cannot blame you. After all, retaining walls need commitment.

Invest in a well-constructed wall

To guarantee that you will receive the benefits that come with having retaining walls, have them be constructed by a professional licensed contractor in your area.

Do I really need a retaining wall?

My yard slopes down from the house - about 5' difference in level over 45'. I've been getting a few quotes for inground pools and the more quotes I get the more confused I become. One installer insists that I need a 85' long, 4' high retaining wall. The other says that no retaining wall is necessary.

Comments (7)

Sounds like my yard. We were given a bid with a retaining wall and one without. We chose the one without. The back wall of the pool stands about 2 or 3 feet out of the ground and is 46 feet long. It's capped with coping and faced with stacked stone.

What Type of Retaining Wall Should You Install?

Timber walls – This is your least expensive option. However, they also won’t lost as long due to the moisture from the soil wearing down the timber.

Why do you need retaining walls?

If you live near water or possible flooding areas, retaining walls can slow down the flow of heavy rainfalls. You can also use them to help control where the flow of rainwater goes on your property.

What can a retaining wall do to your property?

There are many things that can happen to the land around your home. A retaining wall can prevent any sort of mudslide or ground shake that could affect your home. They can offer you and your family stability and peace of mind when it comes to your property.

What is a well constructed retaining wall?

A well-constructed retaining wall can offer functionality and beauty. They are everywhere, you may not even notice them, but they’re an excellent way to solve a landscaping problem while still keeping your property looking its best. The question is: do you need one?

What happens when you have a hill on your property?

Combat Soil Erosion. If you have a hill on your property, erosion will most likely be a concern for you at some point in the future. With help from water and gravity, a hill will start to erode over time.

Can a retaining wall be installed on a hill?

If you even suspect that the erosion of a hill around your home could impact the foundation of your home, a retaining wall should be installed. Erosion on a slope can compact an uphill foundation.

What to know when designing a retaining wall?

When designing a retaining wall, make sure you know what you’re doing or have consulted an engineer. These walls are going to hold immense weight if they fall, so make sure that doesn’t happen.

How high should a retaining wall be?

If the retaining wall you’re trying to make is higher than 3 feet, make sure you check any zoning codes or regulations that need to be followed. You can go with a 1:10 inches ratio, especially if you’re using concrete blocks with concrete filling, but the safest bet is always a 1:12 inch rule when it comes to retaining walls.

What is the slope of a retaining wall?

The slope of a Retaining Wall 1 Rocks (gabion) 2 Wood 3 Stone 4 Bricks, or 5 Concrete

How much slope can you have without a retaining wall?

The maximum slope for the soil you can safely go without a retaining wall is 35 degrees, especially if the soil is granular. If the angle is steeper, you will need a retaining wall to keep everything in place. The lean should be a minimum of 1:12 (1 inch per 12 inches of height) to ensure the load is distributed evenly on the wall.

How deep should a tieback be?

These tiebacks are buried in the hillside and attached to the timber every 8 feet. The tieback itself should be 6 feet deep in the soil and the hook needs to be 2 feet wide in order to give you the optimal holding strength and capacity.

What materials are used to make retaining walls?

Retaining walls can be made out of a number of different materials. These include, but aren’t limited to; Rocks (gabion) Wood. Stone.

How do walls help soil?

These are rigid walls that support soil by being holding its weight. These walls stand upright, preventing the soil from flowing – even when watered. These walls can help retain soil at different levels on both sides, but it’s uncommon to see two slopes retained by the same wall.

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