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Jeremy Horning

Site Preparation for Sheds

Updated: Oct 23



When it comes to installing a shed, choosing the right foundation is one of the most important decisions you’ll make. The foundation determines the long-term stability, functionality, and even the aesthetic appeal of your shed. Depending on your specific needs, budget, and property conditions, there are three primary foundation types to consider: concrete blocks, crushed stone, and concrete pads. Each has unique benefits, and understanding these options will empower you to have a more informed discussion with your Urban Sheds builder during your site visit. Here’s a more in-depth look at each foundation option.


Concrete Blocks: An Economical and Versatile Option



Concrete blocks are one of the most budget-friendly foundation choices available. They offer both affordability and versatility, making them a common solution for many shed installations. Here’s what you should know:

  • Stability: Concrete blocks provide a solid and level foundation, helping to ensure that your shed remains stable and secure. When placed correctly, they distribute the weight of the shed evenly across the ground.

  • Ideal for Sloped Sites: If your shed site has uneven terrain or a significant slope, concrete blocks can be stacked to create a level surface. This flexibility can save you time and money by avoiding extensive grading work.

  • Affordable: Compared to other foundation options, concrete blocks are economical, which makes them a great choice if you’re working with a limited budget.

  • Drawbacks: One potential downside is that a shed on concrete blocks will have space underneath, which may attract rodents or small animals. Additionally, this open space can lead to drafts or moisture issues under the structure if not properly addressed.


While concrete blocks are an excellent option in many situations, it’s essential to ensure proper installation. Poor placement can lead to shifting over time. A professional Urban Sheds builder can assess your property and ensure your foundation is installed correctly, offering long-term stability.


Crushed Stone: Aesthetic and Practical



A crushed stone foundation is an attractive and practical option for shed owners who prioritize drainage and appearance. This type of foundation is ideal for a variety of uses and offers several unique benefits:

  • Water Drainage: Crushed stone allows for excellent drainage around your shed, which can prevent water damage or moisture buildup that could otherwise lead to structural issues or rotting of wooden materials. This is particularly important if you live in an area prone to heavy rainfall or have poor natural drainage.

  • Uniform Support: Unlike concrete blocks, crushed stone provides full support along the entire length and width of your shed. This helps reduce stress on specific points, distributing the weight more evenly.

  • Visual Appeal: Many shed owners prefer the appearance of a crushed stone foundation, which can create a clean, well-maintained look around the base of the shed. This can enhance the overall aesthetic of your yard, making it a great option for those who value both functionality and appearance.

  • Sloped Site Considerations: While crushed stone is highly effective on flat or gently sloped surfaces, more extensive site preparation is required for significant slopes. You may need to invest in additional materials or hire professionals to ensure a stable installation.


Urban Sheds builders are experienced in working with crushed stone foundations and can help ensure that your shed site is properly prepared. They will also make sure that the foundation supports the structure and prevents future issues with drainage or uneven settling.


Concrete Pad: The Heavy-Duty Solution



For those looking for maximum durability and support, especially if you plan to store heavy equipment or use your shed for specialized purposes, a concrete pad is the top choice. Here’s why a concrete pad might be the ideal foundation for your shed:

  • Durability and Strength: A concrete pad offers unmatched strength, making it perfect for sheds that will house heavy equipment such as tractors, lawnmowers, or even workout gear. If you expect heavy foot traffic or plan to use your shed as a workshop or home gym, this foundation will ensure long-term stability.

  • Seamless Integration with Other Structures: If you have an existing patio or outdoor space, a concrete pad can be designed to blend seamlessly with surrounding structures, creating a cohesive look. This option is also perfect for homeowners who want to maintain a polished, uniform outdoor aesthetic.

  • Elimination of Wooden Floors: In most cases, a concrete pad eliminates the need for a framed wooden floor inside the shed. The concrete itself acts as both the foundation and the floor, reducing the risk of moisture-related damage to the wood and creating an easy-to-clean surface.

  • Higher Cost and Installation Requirements: The downside to a concrete pad is that it’s generally the most expensive and labor-intensive foundation option. Installation requires a significant amount of preparation and expertise, including proper leveling, framing, and curing of the concrete.


Since concrete pads are a permanent structure, it’s crucial to have professional guidance during the design and installation process. A certified Urban Sheds builder will ensure that the pad is correctly poured and aligned to your shed’s specifications, giving you peace of mind that your foundation is as solid as the shed itself.


Choosing the Right Foundation: Factors to Consider

Now that you understand the pros and cons of each foundation type, it’s important to consider several factors before making your final decision:

  1. Property Layout: Is your shed site level, or does it have a slope? The layout of your property will heavily influence which foundation option is the most practical.

  2. Shed Use: How do you plan to use your shed? If it’s for storage of lightweight tools and equipment, concrete blocks or crushed stone may suffice. For heavy-duty uses like workshops or gyms, a concrete pad is likely the best choice.

  3. Budget: Your budget will also play a big role in deciding which foundation to choose. Concrete blocks are typically the most affordable, while concrete pads require a higher investment upfront.

  4. Aesthetic Preferences: Consider how each foundation will look in your yard. A crushed stone foundation may offer a more polished appearance, while a concrete pad offers a sleek, permanent solution.


Consulting with an Urban Sheds Builder

While you now have a good understanding of the various shed foundation options, it’s always best to consult a professional. An Urban Sheds builder can visit your site, evaluate the terrain, and recommend the best foundation option based on your specific needs. They will also ensure that your foundation is installed properly, providing you with a long-lasting and secure base for your new shed.


Contact your local Urban Sheds builder today to discuss your project and schedule a site visit. Their expertise will help you make an informed decision and ensure your shed is built on a strong foundation, designed to last for years to come.

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