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Dry Stack Stone Walls: What It Is and How to Do It
7 minute read
Kevin Forestell headshot
Kevin Forestell
January 23, 2024

Dry Stack Stone Walls: What It Is and How to Do It

Building a nice wall for your garden or home is a great idea, especially if you're looking at landscaping ideas that can increase your property value. One of the easiest ways to do this is to build a dry stack stone wall - a masonry method gaining popularity for its simplicity and cost-effectiveness.

If you're looking to improve your property value then building a dry stacking wall might be the solution for you. In this blog, we'll explore the concept of dry stacking in the construction and landscaping industries as well as highlight the benefits, materials, and step-by-step process of these structures.

Understanding What Dry Stacking Stone Is

Dry stacking is a centuries-old construction technique that is often used for aesthetic purposes. Unlike mortar-based structures, dry stacking is the careful arrangement and interlocking of individual stones, bricks, or other building materials without the use of bonding agents like grout.

This method, with its roots deeply embedded in various cultures globally, has found contemporary applications in landscaping, garden design, and certain types of construction projects.

Differentiating From Traditional Masonry

The fundamental distinction lies in the absence of mortar and grout, the traditional binding agents in stone masonry. Instead of relying on mortar to hold all the elements together, dry stacking is about the placement and interlocking of the chosen materials. This not only simplifies the construction process but also creates a distinct aesthetic that can be appealing to many property owners.

Materials Commonly Used in Dry Stacking

Dry stacking allows for versatility in material choices. Commonly used materials include interlocking bricks or blocks, stones, and sometimes even reclaimed or repurposed materials. The key lies in the compatibility of shapes and sizes, enabling a secure fit without the need for mortar. The interlocking nature of these materials enhances stability and ensures the integrity of the structure over time.

The Benefits of Dry Stacking in Construction

Dry stacking offers a range of advantages that contribute to its popularity. These benefits provide insight into why many homeowners, builders, and landscapers opt for this technique over traditional mortar-based construction.

Faster Construction Time

One of the standout advantages of dry stacking is the construction process. Without the need for curing time associated with mortar, builders can make progress more quickly.

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The absence of mortar eliminates the waiting period for it to set, allowing for immediate progress once the stacking is complete. This efficiency is particularly beneficial for projects with time-sensitive deadlines or those aiming for a swift turnaround.

Reduced Material Costs

Dry stacking often leads to reduced material costs compared to traditional masonry. People often use recycled materials, stones from a demolition project, or materials that an aggregate company might not think are high quality to build these walls.

The absence of mortar also means less reliance on cement-based products, which can be a significant expense in conventional construction. Additionally, the simplicity of the dry stacking method may require fewer specialized tools and equipment, contributing to overall cost savings for builders and project owners.

Environmental Benefits

The environmental impact of construction is a growing concern, and dry stacking addresses this issue admirably. With reduced reliance on cement and mortar, which are associated with significant carbon emissions, dry stacking aligns with sustainable building practices.

The method allows for the reuse of materials, further minimizing waste and environmental footprint. As a result, builders and homeowners can choose a construction method that not only meets their needs but also aligns with eco-friendly principles.

Mossy dry stack wall
In some conditions, walls can accrue moss, adding a level of design and aesthetic

From efficiency gains to cost savings and environmental consciousness, dry stack brickwork presents a compelling alternative for a wide range of projects.

Step-by-Step Guide on How to Build a Dry Stack Stone Wall

Whether you're doing it DIY or getting it done by a contractor, dry stack masonry requires careful attention to detail. Building these walls is a systematic approach. It takes careful hands to ensure a sturdy and visually appealing result. Taking the step-by-step approach listed below, building with dry stack blocks and bricks will be much simpler.

Step 1: Prepare the Foundation

Before starting the stacking process you need to establish a solid and level foundation. Without this, the stability of the dry-stacked wall will be in question. To level the area properly you need to do the following:

  • Clear the Area: Remove any debris, rocks, or vegetation from the designated area. A clean slate ensures a proper foundation.

  • Excavate and Level: Excavate the soil to the desired depth and use a level to ensure the foundation is even. Compact the soil using a tamper or roller to prevent settling over time.

  • Add Base Material: Place a gravel or crushed stone layer on the leveled surface. This provides drainage and further stability to the foundation.

Step 2: Lay the First Course of Bricks or Blocks

The initial bricks set the tone for the entire structure. Pay close attention to alignment and stability during this crucial phase:

  • Use a String Line: Establish a straight line using a string and stakes. This acts as a guide for the first course, ensuring a straight and level base.

  • Place Bricks or Blocks: Lay the first course according to your design, aligning each element with the string line. Use a level to confirm the horizontal alignment.

  • Check for Level and Plumb: Ensure each brick or block is level horizontally and plumb vertically. Adjust as necessary to maintain uniformity.

tight dry stack wall
Dry stack walls can be structured to be plum and level or loose and uneven 

Step 3: Stacking Subsequent Layers

Continue stacking with precision to create a stable and aesthetically pleasing dry-stacked wall:

  • Interlock the Bricks or Blocks: When placing subsequent layers, interlock the bricks or blocks for added stability. Experiment with different arrangements to find the most secure fit.

  • Maintain Alignment: Regularly check for horizontal alignment using a level and adjust as needed. This ensures a visually appealing and structurally sound result.

  • Backfill as Needed: Depending on the design and purpose of the wall, backfill behind it with gravel or soil to enhance stability and drainage.

Following these step-by-step instructions ensures a successful dry stacking project, whether you're creating a garden wall, a decorative structure, or a functional retaining wall.

Common Mistakes to Avoid in Dry Stacking

Avoiding common mistakes is pivotal when completing a dry stacking project. Not only does it ensure structural integrity but also increases the overall success of the wall.

One of the most common errors is creating an inadequate foundation preparation which happens when clearing the area thoroughly and properly is neglected. This can lead to instability and settling over time, creating a slow erosion process.

Another common mistake involves poor alignment and leveling during the stacking process. This compromises the stability and aesthetics of the dry stacked wall, causing it to lean, tilt, or even collapse. That's why it's essential to use string lines, stakes, and levels meticulously to maintain proper alignment throughout each layer's construction.

Neglecting interlocking techniques is another mistake that can significantly impact the stability of the structure. Without proper interlocking of bricks or blocks, the wall may lack the necessary cohesion, increasing the risk of shifting or collapsing over time.

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Additionally, insufficient backfilling behind the wall can result in poor stability and drainage. Depending on the wall's purpose, backfilling with gravel or soil provides essential support and enhances stability.

Finally, ignoring environmental factors, such as exposure to extreme weather conditions, can lead to deterioration over time. Adapting materials and construction methods to suit the local climate helps ensure the longevity of the dry-stacked structure.

Many of these mistakes are the result of rushing the process. By being mindful of these common mistakes and taking the proper time to be thorough, builders can enhance the success and durability of their dry-stacking projects.

Reinforcing Dry Stacked Walls

Reinforcing dry stacked walls is a pivotal consideration, particularly in load-bearing structures or regions prone to seismic activity. This involves implementing various effective methods to enhance the stability and resilience of these structures.

For instance, using soil-reinforcers like geogrid or mesh during the stacking process provides additional tensile strength, evenly distributing forces to minimize the risk of cracks or shifting. Another method includes the insertion of steel reinforcement rods or bars vertically through the dry stacked layers, fortifying the wall's strength and facilitating the even distribution of loads.

Concrete bond beams, strategically placed at intervals along the height of the dry stacked wall, act as continuous horizontal reinforcements. This interconnection between individual layers enhances cohesion and stability, especially in areas where the structure is subject to significant loads. You can also use intricate interlocking patterns to contribute to stability. These patterns enhance the wall's resistance to shear forces, enabling it to withstand lateral movements without compromising its overall integrity.

Consulting with structural engineers or landscape architects during the planning and construction phases is highly advisable. This ensures that the chosen reinforcement methods align with the specific load-bearing capacities and environmental factors of the project.

Lastly, if you live in areas with earthquakes, incorporating seismic design principles, such as flexible detailing, allows the dry stacked wall to effectively absorb and dissipate seismic forces.

By integrating these varied reinforcement strategies, dry stacked walls can not only withstand environmental challenges but also maintain their structural integrity over the long term.

Tips for Aesthetic Appeal in Dry Stack Masonry

Enhancing the aesthetic appeal of dry stack masonry starts before even placing a stone. It involves a thoughtful approach to material color selection, pattern variations, and design elements. Diversifying the colors of the materials used, incorporating a mix of light and dark elements for contrast, and experimenting with unique stacking patterns can elevate the visual interest of the structure.

Colorful dry stack wall
A dry stack wall using colorful rocks

Integrating natural stones with distinctive textures or shapes adds character and serves as focal points, contributing to a more organic aesthetic. Depending on your design, the wall's color palette can either fit in with the surrounding landscape or stand out. Additionally, playing with symmetrical and asymmetrical designs provides further avenues for creative expression.

Ultimately, a dry stacked masonry project can be bigger than its functional purpose and become a visually pleasing and harmonious addition to its surroundings.

Maintenance and Durability of Dry Stacked Structures

Ensuring the longevity and durability of dry stacked structures, like anything, requires some maintenance. When built correctly, they are incredibly resilient structures, but they benefit from a little attention to maintain their stability and visual appeal from time to time. Here are a few ways to maintain these dry-stacked walls:

Inspect for Shifting or Settling

Regularly inspect them for any signs of shifting or settling. These signs could manifest as gaps between stones or blocks, tilting, or uneven surfaces. Addressing these issues quickly will help prevent further deterioration.

Address Vegetation Growth

Vegetation growth within the wall can exert pressure and compromise stability. Remove any plants, weeds, or roots that may have developed between the stacked elements. Consider applying a suitable sealant to deter future growth.

Check for Erosion and Water Damage

Examine the wall for signs of erosion, especially in areas prone to heavy rainfall or water runoff. Address any erosion promptly, and ensure proper drainage to prevent water accumulation, which can weaken the structure over time.

Repair Loose or Displaced Elements

If any stones or blocks become loose or displaced, attend to these issues promptly. Carefully disassemble and re-stack the elements, ensuring proper interlocking for stability. Addressing these concerns early prevents more extensive repairs later on.

Reinforce as Needed

In high-stress areas or regions prone to seismic activity, consider periodic reinforcement. Adding steel rods, mesh, or other reinforcing materials can enhance the structural integrity of the wall, providing additional support.

Apply Protective Coatings

For added protection against the elements, consider applying protective coatings. Sealants or waterproofing agents can shield the materials from moisture penetration, reducing the risk of erosion and enhancing overall durability.

Monitor and Maintain Drainage Channels

Proper drainage is crucial for the long-term stability of dry-stacked structures. Regularly clear drainage channels and ensure water can flow away from the wall efficiently. Addressing drainage issues promptly helps prevent water-related damage.

Building the original wall using our step-by-step guide will ideally protect you from spending too much time on these maintenance tips. If not, incorporating these maintenance practices should be adopted into your care routine. Periodic inspections and proactive measures will increase the lifespan and preserve the aesthetic appeal of your wall.

Conclusion

Whether you're a DIY enthusiast or contractor looking to master dry stacking, these walls are beautiful. While they may not always be easy to build, if you take the advice in this blog, they can be an affordable, sustainable, and a great way to add personality to a property.

Are you in need of some earthmoving equipment to build your dry stacking wall? Check out DOZR's skid steer, compact track loader, and mini excavator rentals. Our team can help you get the equipment you need to build your dream wall.

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Kevin Forestell headshot
Kevin Forestell
Kevin Forestell is CEO of DOZR and one of the co-founders. Kevin first got started as an entrepreneur when he founded Forestell Landscaping right after graduating from University. His love and passion for the industry and desire to help solve an equipment problem that contractors faced every day is what brought the founding team to start DOZR. Kevin is proud of the level of efficiency brought to the industry through DOZR and hopes that DOZR will help change the standard way equipment is rented.
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