Choosing the best shed base is important in establishing a long-lasting and functional garden shed. A solid base supports the shed and protects it from moisture, uneven ground and ground instability. From concrete bases to plastic grids, there are many options, each with its pros and cons. This guide looks at six shed base options from best to worst to help you decide on your outdoor project.
Why is a base for a shed needed?
A base is vital for the stability and longevity of your garden building. It gives a flat surface and ensures the shed does not lean or warp over time. A base lifts the shed off the ground reducing moisture seepage that can cause rot, mould, or rust. It also improves ventilation under the shed preventing dampness and prolonging its life.
A solid base spreads the weight of the shed evenly so there are no stress points that can cause damage. Without a base, the shed will be unstable and more prone to damage in adverse weather. In the end, a good base means your shed will be functional, secure and in good condition for years.
Exploring six shed base options (best to worst order)
A solid base is the foundation of a solid and functional garden shed. Choosing the right base will give you stability, prevent structural issues and protect against moisture damage.
1) Concrete base – the best shed base
Concrete bases are the best shed base, they are the most durable and long-lasting option for shed foundations. They give you a level surface to support heavy sheds and withstand extreme weather. A concrete base is low-maintenance and pest, rot and moisture resistant making it perfect for permanent installations. However, creating a concrete base requires professional tools and skills and can be time-consuming. While the upfront cost may be more it is worth it for long-term stability.
2) Paved base
Concrete alternatives are popular for sheds, a paved base is a durable and level surface. Interlocking slabs or bricks are easier to lay than a concrete slab and allow for some drainage. Paved bases look nice and can fit in with garden paths or patios. However, a stable base requires careful ground preparation and levelling. Not as solid as concrete but a practical option for most garden sheds.
3) Plastic grid base
Plastic grid bases are light, eco-friendly and easy to lay, they are perfect for DIY installation. Filled with gravel they drain well and prevent water pooling under the shed. They are also portable so you can move your shed if needed. Plastic bases are not as solid as concrete or paving but are perfect for a wide variety of shed sizes.
View our range of plastic shed bases – at this link. These range from 5’x4’ right up to 23’x13’ in size. With 75+ sizes to choose from, there is the perfect shed base awaiting you.
4) Timber frame base
Timber frame bases are a classic and low-cost option for garden sheds. Made from treated wood they lift the shed off the ground reducing dampness and rot. Timber bases are relatively easy to fit and can be made to size. However, they need regular maintenance and treatment to stop rot and insect damage. Over time timber bases can rot or warp and are not as durable as other options.
5) Metal grid base
Metal grid bases are a quick and easy option, especially for lightweight sheds. They are rot and pest-proof and provide a solid base when paired with a solid surface like gravel or paving. But metal grids do not have the strength for bigger, heavier sheds. They need to be installed precisely to be stable, as uneven ground will cause wobbling. Cheap metal grid bases are best for small, temporary structures.
6) Decking base
Decking bases are used for sheds but are not the best choice. They are easy to assemble and look great but do not offer the same stability or protection as other bases. The wood will rot even if treated, especially in wet conditions. Over time decking bases are prone to warp or sag and in turn will compromise the shed. This is better suited for a garden seating area than a shed base.
Why is a gravel base better as a foundation?
A gravel base is best used under a shed base such as a concrete slab, plastic grid or timber frame. As a stabilising layer, it helps with drainage and stops water from collecting under the shed, extending its life. Gravel is not a good standalone shed base but as part of a base, it is a vital component in a solid and durable foundation.
Benefits of using a gravel foundation
Here are just five of the benefits to expect when using a gravel foundation:
1) Drainage improvement - gravel helps to channel water away from the shed, reducing the risk of dampness or rot
2) Enhanced stability - as a compacted layer, gravel provides a solid and level surface for the primary base material
3) Weed suppression - a thick layer of gravel prevents weeds from growing beneath the shed, keeping the area tidy
4) Frost resistance - gravel reduces frost heave damage by improving soil stability in freezing conditions
5) Cost-effectiveness - gravel is affordable and easy to source, making it a budget-friendly option for most shed projects
Conclusion
Selecting the best shed base will keep your garden building stable, secure, and long-lasting. From solid concrete foundations to cheap gravel layers there are many options, each with distinct advantages and disadvantages. A good base provides support, protects from moisture damage and prevents structural problems over time.
By choosing the right base for your shed you can make it more functional and have an outdoor building for years to come. Take the time to choose a base that fits your shed’s size, weight and purpose and you will have a solid foundation for your investment.
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For all your fencing needs, the team at Buy Fencing Direct is here to help you create the perfect outdoor space. Whether you need expert advice on fencing materials, guidance for installation or aftercare tips to ensure longevity, we are just a call or message away.
Find our contact details below and let us assist you with your project today:
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