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What do I use for my SheShed Kitset Cabin Foundation?

How to Choose the Best Foundation for Your Cabin. 

Are you wondering what the best foundation for your SheShed cabin is? We can help by offering a few options to ensure your shed stands on solid ground. The most important thing is that the ground needs to be level. Why? An uneven surface or unstable ground can cause the doors to jam, making them difficult to open and close. It can also cause parts of the shed to sag or boards to come loose.

When choosing the right foundation, you have three main materials to consider: steel, timber, and concrete. Your choice will depend on several factors:

  • How flat is the surface where you want to place your shed?
  • Do you plan to move your shed in the future?
  • Do you want to add a small deck?
  • How much weight do you expect the shed floor to support?

Each material has its benefits and can be selected based on your specific needs to ensure your shed remains stable and functional for years to come.

Steel

A steel frame foundation is an excellent option that helps protect your cabin from rot and termites. if you plan to move your cabin to a different location in the future, it also allows for easier transportation with the frame attached to the shed. The frame can be bolted to steel or wooden piles, which can then be either concreted into the ground or bolted to another solid surface.

Foundations and start of the build of a log cabin

Timber

Bearers on the Ground

For those with a perfectly flat surface, the easiest and quickest option is to place your treated bearers directly on the ground. This method is suitable for a hard, flat site, such as well-compacted grass or soil, making future relocation relatively straightforward. By placing the bearers directly on the ground, you can set up your shed quickly without the need for extensive groundwork or additional materials. This method is also very similar to placing your shed on skids.

Bearers on Skids

Skids, like treated bearers, provide a stable base and allow for easy movement of the shed if needed. Using treated bearers or skids not only simplifies the installation process but also offers flexibility for future adjustments or relocations. However, it's crucial to ensure that the site remains level and free from excessive moisture to maintain the integrity of the shed's foundation over time.

bedroom set up in a timber cabin
how to build a cabin foundation on skids

Bearers on a Gravel Pad

Creating a stable foundation with bearers on gravel is an excellent choice for those looking for durability and proper drainage. This method provides a solid and level base, ensuring your shed remains sturdy over time. To create a solid base for your shed with bearers on gravel, start by digging out the soil to a depth of approximately 15 cm and ensuring the surface is level. Next, build a frame around the area using 6” x 1” timber to prevent dirt from falling back in. Optionally, lay a membrane over the exposed earth to help prevent moisture. Finally, fill the framed area with gravel, keeping it slightly lower than the top of the timber frame. This will provide a stable and well-draining base for your treated bearers.

gravel pad for a base on a shed

Piles

Another option flat or contoured sites, is to sit your SheShed on blocks or piles. These can be either floating (sitting on top of the ground for a flat site) or concreted in place if your site is not level (a more permanent option). This lifts your cabin off the ground and gives you the opportunity to create a level base with the bonus of being able to add a small deck or steps. Make sure you have enough blocks/piles for the size of your shed as you want to make sure your timber bearers are not put under excessive strain. If you choose to put in piles this will also provide a good solid anchorage point for those sheds that are in high wind zones.

tiny house being built
raised foundation for a man cave

Concrete

Concrete Slab

A concrete foundation is a highly durable and stable option for your She Shed, providing a robust base that can withstand heavy loads and harsh weather conditions. Although more expensive, its longevity and strength make it a worthwhile investment.

To create a concrete foundation, start by marking and measuring the area. Build a timber frame around this space, ensuring it is secure and level. Dig out the area, removing any roots, and compact the soil. Pour the concrete into the frame, making sure it is evenly distributed and level. Smooth the surface with a trowel as it begins to set. Allow the concrete to cure for at least a week, keeping it moist if the weather is hot and dry. This curing process ensures maximum strength and stability.

concrete shed foundation for a kitset cabin

Concrete Foundation Blocks

Using DEKO concrete foundation blocks with treated pine bearers provides a solid and durable base for any SheShed cabin. These blocks offer strength and stability, distributing weight evenly and preventing settling. The treated pine bearers resist moisture and pests, ensuring the shed's longevity.

foundations for a portable office
building a backyard pod for a sleepout

Whatever you think might work best for you and your site, it's always a good idea to do a bit of research on what works well in your area. Make sure your shed foundations are level, and consider the size of your SheShed cabin, your site conditions, and the purpose of your SheShed cabin. Balancing these factors with your budget will help ensure your project is a positive experience.

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