The Best Shed Base – 6 Wooden & Plastic Pre-Made Foundations

The Best Shed Base – 6 Wooden & Plastic Pre-Made Foundations

The Best Shed Base – 6 Wooden & Plastic Pre-Made Foundations

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Shed Base Reviews | How to Buy and Best 6 Shed Bases Compared?

A good shed base can add several years to the life of your garden shed. The base will stand between the shed and the bare ground and protect your shed against damp, water, and wood rot. In addition, the base ensures that the shed stays level and stable for years or even decades to come, making it a vital structure for an outdoor building. 

If you don't create a level base for your shed, soil movement over time may distort the stability of your shed. You will find that the doors and windows are not opening or shutting properly and roof panels not lining up accordingly. The building will become weak over time and even collapse if left unattended in worst cases.

The purpose and benefits are clear, the question is, which is the best shed base for your garden shed? In this post, we look at the best shed bases currently on the market to help you choose an ideal model for your needs. We compare construction quality, ease of assembly, and price to give you our top recommendations. You will also learn the different types of shed bases and how they fair against other in our buying guide

After comparing the 6 models that we review here, we concluded that the ECO Deck Garden Shed base is the winner of our "Best Pick". Made from recycled plastic, this model can support tonnes of weight for decades and comes with everything you need except the gravel to fit the grids with. The plastic is UV stable and comes with 25 years warranty and is probably the easiest to setup with minimal effort.

Best Pick

the ECO DECK 8x6 GARDEN SHED BASE GRID is the winner of our "Best Pick". Made from recycled plastic, this model can support tonnes of weight for decades. The plastic is UV stable and comes with 25 years warranty.

Best Plastic Shed Base

Available in many sizes to suit any sized shed

  • An eco-friendly shed base built from recycled materials.
  • Includes a solid membrane and durable plastic grids that form a strong base for the shed.
  • Easy to put together thanks to connectors that simply lock in place.
  • Available in many sizes to suit any sized shed.
  • 25 year guarantee so will outlast most sheds,
  • Suitable for all types of sheds including wood, plastic and metal.

Our top 6 best shed that we reviewed including our top picks


Buyers Guide

How large should your shed base be?

Ideally it should be almost the same size as the floor of your shed. However, there are those who like to build their bases slightly larger than the shed's floor. This helps to keep weeds and grass away from the shed walls. It also allows for cleaner access and space to empty out tools and equipment onto a hard standing area. On the downside, it may foster damp by allowing raindrops to bounce off the projecting section of the base and up on to the side panels. 

What type of shed base should you install?

Sheds were traditionally built on concrete bases or placed on top of a paved area. The only problem with these methods is that they are time-consuming, labour-intensive, and cost so much money. The alternative to this heavy work is to install a plastic or wooden shed base. These bases can actually be better as they are free draining which reduced damp and can even make the area look more appealing with a gravel surround.

Plastic shed bases

Plastic shed bases are usually made from recycled plastic, which is great for the environment and a big plus. They are ultra-lightweight, allowing you install them without even an extra hand. A plastic shed base is usually made of interlocking tiles that look like puzzle pieces. These pieces are designed to together smoothly for easy and quick assembly. You will need to fill the spaces in between with a filler material such as pea gravel or sand. 

Even with gravel infill, a plastic shed base allows airflow to ensure that the bottom of your shed won't rot or corrode, this is specially important for wooden sheds. The plastic base itself is not susceptible to rot and won't crack under the stress of the load standing on it. The plastic is also usually UV stabilised to prevent stiffening or brittle from the sun like regular plastics do. 

Plastic shed bases also sit directly on the ground and they don't have protruding sections where rain may hit and splash on to the walls of the shed. This ensures that your wooden shed won't get wet.

That said, a plastic base is a great fuss-free, cost-effective and long-term option for creating a solid foundation for your shed or any other garden structure including kids playhouses. Whether your shed is plastic, wood, or metal, you can count on a plastic base for years. 

Best Wood Shed Base

This shed is made from pressure treated FSC Certified timber that is sure to last outside for over a decade. It comes with metal stakes for securing into the ground and protect the frame from damp. The robust and long-lasting design is a no-brainer to build and will create a strong base for Waltons gardens sheds.

This shed is made from pressure treated FSC Certified timber that is sure to last outside for over a decade. It comes with metal stakes for securing into the ground and protect the frame from damp. The robust and long-lasting design is a no-brainer to build and will create a strong base for wooden gardens sheds. 

Wooden shed bases

Most people use wooden bases for their wooden sheds. They are very easy to construct as all you need is to cut timber to size and screw them together. Whilst you can lay your wooden shed base on bare ground, it is not such as good idea. Contact with wet ground can cause the timber to rot quicker than you can imagine. Of course, you can lay pavers before the wooden base and protect it from moisture damage but this will cost a lot more money. and time. 

If you want to go for a wooden shed base, make sure it's made of pressure treated timber. This trick helps wood to resist decay and last for many years. You will find that most pressure treated wooden models are warranted for 10 - 20 years but that's because of the treatment. 

Another modern technique that works with wooden shed bases is the use of QuickJacks or metal spikes. These are galvanised metal systems designed to attach onto the bottom of a wooden frame and then drilled into the ground to a given depth. They are a doodle to fit and extremely long-lasting. Most importantly, they are independently adjustable allowing you to set a level base even on sloping grounds, this is much easier than trying to level a shed on bricks and much more sturdy.

Even after your shed has been assembled, the QuickJacks system we review further down can be adjusted up or down, making them perfect for unstable areas that may be prone to sinking or for adding new building properties. As they are mainly used in conjunction with a wooden frame, QuickJacks are ideal for wooden structures such as sheds, log cabins and summerhouses. They can also be compatible with metal or plastic buildings if you build a decked surface on top of the frame which is worth considering if you don't want to use the plastic grid type bases.

Basically, the choice is between a plastic base shed and a wooden shed base. Having addressed their pros and cons, let's look at some of our top recommended shed base kits. It's worth noting that most of the bases below are available in many sizes and not just the size we review.


Top 6 Shed Base Reviews


ECO DECK Garden Shed Base Grid

The ECO DECK 8x6 GARDEN SHED BASE GRID comes with a membrane sheet and plastic grids. The kit comes complete with everything you need to build a base for a shed measuring 8ft x 6ft and extra sizes are available too.

Pros

  • A quick and easy way to build a base for your shed.
  • Available in many sizes including 6 x 6ft, 8 x 6ft, 7 x 5ft, 10 x 8ft, 12 x 8ft and more.
  • Made from recycled materials, thus an environmentally conscious option.
  • Comes with a heavy duty membrane and durable plastic grids. 
  • Easy to construct thanks to connectors that simply lock in position. 
  • 25 years warranty for lifetime peace of mind. 

The ECO DECK Garden Shed Base Grid System comes with a membrane sheet and plastic grids. The kit comes complete with everything you need to build a base including the 6 x 8ft set we reviewed but extra sizes are available too. It's worth noting that this grid is also designed for driveways and paths that are ideal for pushchairs, wheelchairs, mobility scooters, as well cars. It strengthens the ground so that vehicle and foot traffic can pass over it with maximum stability. 

This shed base is made here in the UK from local recycled materials, so it's a more eco-friendly choice than concrete or pathing and much easier to setup. Quick and easy to install, it offers load spreading support for structures that rest on it and it is strong enough to support tonnes of weight. It also helps to prevent damp and, in turn, lengthen the durability the structure it is supporting which is the whole idea. 

This shed base is made here in the UK from local recycled materials, so it's a more eco-friendly choice than concrete. Quick and easy to install, it offers load spreading support for structures that rest on it and it is strong enough to support tonnes of weight. It also helps to prevent damp and, in turn, lengthen the durability the structure it is supporting.

Important to note is that the installation area must first be made level, this however is the case for laying flags or making concrete base but is much easier. After that, you simply lay down the membrane and connect the grids together. The product comes with connectors that simply lock in position for tools-free assembly.

Instructions are also supplied to guide through the process. You could also use heavy duty cable ties instead of the supplied connectors and they did the trick too. For extra stability, fill the grids with gravel or sand, we think gravel is the better choice, the base is solid enough on its own and has enough drainage and ventilation holes if you just wanted to fill around the edge of the shed, this would save some money as you would not need as much gravel. 

ECODECK offers a 14 days money back guarantee, not to mention their industry-leading 25-year warranty on this product. Should you have any issues or questions, their customer service is just a phone call away and they will be happy to help. Overall, this ECODECK model is one of the affordable shed bases on the market and is sure to last for many years to come and probably one of the easiest to setup.

Compare the best prices from available sellers below


Hawklok Plastic Base Kit Complete With Membrane and Clips

The Hawklok 6 x 4 ft. Plastic Base Kit is supplied with membrane and six tiles, enough for a 6 x 4ft garden shed. This base is is also perfect for small outdoor structures, children's playhouses or sheds, small green houses, log cabins, and many more buildings.

Pros

  • Ideal for all sheds, very easy to setup and comes in many sizes.
  • Eco-friendly - made from 100% recycled plastic materials. 
  • Comes with a weeds and grass suppressing membrane. 
  • Lightweight and easy to assemble. 
  • Self ventilating and free draining to ensure a dry area. 

The Hawklok shed base is also available in many different sizes but the one we reviewed was the 6 x 4 ft kit. The plastic base kit is supplied with membrane and six tiles, enough for a 6 x 4ft garden shed. This base is is also perfect for small outdoor structures, children's playhouses or sheds, small green houses, hot tubs, and many more buildings. The membrane protects grass and weeds from growing through the base and allows ventilation as well as drainage to ensure the area stays dry. This is another eco-friendly base constructed from 100% recycled material to reduce the carbon footprint in your garden. 

This shed base is very easy to use due to its lightweight construction. Once you level the area, installation takes about half an hour and that includes laying out the membrane and connecting the pieces together. The design of this base eliminates the need for lengthy excavations and laying slabs or concrete. All in all, this shed base offers a painless, fuss-free, environmentally friendly and cost-effective way of supporting structures and is a good alternative to our 'Best Pick'.

Compare the best prices from available sellers below


Pro Base Garden Shed Base System

he ProBase 8ft x 6ft GARDEN SHED BASE SYSTEM claims to be the only grid system designed to support timber structures without gravel or sand infill. Instead, the underside of this shed base features load spreading feet to prevent settlement. The package includes 20 grids that easy to assemble.

Pros

  • Designed to support timber sheds without having to apply any backfill in the grids.
  • Strong grid system, which requires no gravel infill. 
  • Made from high grade recycled plastic, thus eco-friendly. 
  • Comes with a 10-year warranty. 
  • Great load bearing capacity - up to 50 tonnes. 

The ProBase 8ft x 6ft Garden Shed Base System claims to be the only grid system designed to support timber structures without gravel or sand infill. Instead, the underside of this shed base features load spreading feet to prevent settlement. The kit we reviewed includes 20 grids that easy to assemble but you can get other sizes for smaller or larger sheds. The grid system dimensions are 50cm x 50cm x 40cm, allowing the base to fit 5, 7 and 10ft sheds comfortably. The kit actually includes commercial grade membrane to be cut to size. 

Made from premium grade recycled plastic, the plastic benefits from UV protection and is backed by a 10-year warranty. Manufactured to ISO9001, the plastic has extremely low contraction and expansion of less than 1%, meaning very little to no issues of the grids deforming and twisting or under-sizing of the base. 

This particular base system is for accommodating an 8 x 6ft shed and will act as a heavy duty base alternative to traditional concrete or flagged bases. Also, the base has been proven to withstand over 50 tonnes of load, which is very impressive so there will be no issues with weight. According to ProBase, over four hundred thousand units of this garden shed base system have been sold in the UK alone, which tells how reliable this is. Worth every penny and well worth considering specially if you don't want to fill the grids with gravel.

Compare the best prices from available sellers below


Waltons Pressure Treated Wooden Portabase Shed Base Kit

Here is a wooden shed base with a 15 year anti-rot warranty. The Wlatons 8x 6ft Wooden Portabase is crafted from pressure treated timber to ensure years of solid support for any structure standing on it. This sturdy base can be assembled in minutes.

Pros

  • Perfect for wooden sheds and easy to assemble even on uneven ground thanks to the metal steel spikes.
  • Made from high quality pressure treated timber to ensure maximum durability. 
  • Offers a strong, sturdy level base for Waltons garden sheds and most other sheds. 
  • 15 years warranty against wood rot for full peace of mind.
  • Quick and straightforward assembly.

Here is a wooden shed base with a 15 year anti-rot warranty. The Waltons 8x 6ft Wooden Portabase is crafted from pressure treated timber to ensure years of solid support for any structure standing on it. It's also worth noting its also available in many other sizes and not just the 8 x 6ft we reviewed.

This sturdy base can be assembled in minutes. The task involves mounting the wooden frame onto the supplied galvanised steel spikes, which secure the base to ground, to create a raised platform on which to install your shed. A raised shed benefits from better airflow and drainage, meaning minimal risk of wood rot.

Keep in mind that the ground on which to place your shed base must be level or at most have a gradient of 65mm across the length or width of the structure for the steel spike design to work. In any case, this base solves the problem of sloping or uneven ground. Also note that this particular shed base is intended for use with Waltons garden sheds but it will work o other sheds. It may be not be suitable for sheds from other brands due to the nature of the bearer design so its worth checking first or if you have not purchased a shed yet, considering one from Waltons available directly or even on Amazon and Ebay.

With dimensions of 180cm W  x 45cm H x 234cm D, this shed base is a provides a quick and simple alternative to concrete and decking.

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Forest Timber Shed Base 8 x 6 Wooden with Metal Spikes

Another 8 x 6 wooden shed base with metal spikes, this Forest Timber Shed Base is quick ans easy build. It requires minimal DIY skills and takes less than an hour to build. This wooden shed base will do away with the hassle of laying concrete bases and slabs, which is usually a backbreaking job.

Pros

  • Suitable for Forest Timber Sheds only
  • Made from high-quality softwood that has been pressure treated to last long. 
  • Includes metal spikes that secure the base firmly in the ground. 
  • Guaranteed for 15 years, so you can live worry-free. 

Another 8 x 6 wooden shed base with metal spikes, this Forest Timber Shed Base is quick and easy build. It requires minimal DIY skills and takes less than an hour to build. This wooden shed base will do away with the hassle of laying concrete bases and slabs, which is usually a backbreaking job. The wood has been pressure treated to ensure great resistance against rot. Forest are so confident that this product will beat the test of time that they offer a 15-years anti-rot warranty. 

Once constructed, the shed base provides a level and sturdy base that is slightly raised off the ground to protect the shed floor from damp. The metals spikes are meant to secure the shed base into the ground. 

This 8 x 6 ft model is Forest's largest in their range of 6 models currently available and it really offers a hassle-free solution to garden sheds and garden buildings. The dimensions of this shed base are 38cm x 233cm x 176cm. Please beware that this product is only recommended for use with Forest sheds of a similar size. The shed base is a bit expensive than many other 8 x 6 models but is a long-term investment that will pay dividends. 

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Quick Jack Shed Base System

The Quick Jack Shed Base system is available in different kits, so you can pick the one that meets your requirements. The various options range from a 6 x 3ft shed base to a 12 x 10ft, with other sizes in between including 8 x 6ft, 8 x 8ft, and 10 x 8ft.

Pros

  • Simply make your own frame to any size and then fix the QuickJacks to your frame (frame not included)
  • Adjustable base system that fits even surfaces with up to 8 inches of slope.
  • Easy and quick to fit the supplied components. 
  • Includes commercial grade components with 10 year warranty.  
  • No ground work required to install the shed base.
  •  Now also available so it can be fixed to a solid floor.
  • 10 year warranty for full peace of mind.

The Quick Jack Shed Base system is complete genuies and is available in different kits, so you can pick the one that meets your requirements. The various options range from a 6 x 3ft shed base to a 12 x 10ft, with other sizes in between including 8 x 6ft, 8 x 8ft, and 10 x 8ft.

The first thing to note is that the sets do not include the frame itself, it's only includes the QuickJacks. The idea is you make a frame to the size you need and then attach the QuickJacks, this means it can be used with virtually any size or shape shed which is a big plus. You just need to make sure you choose a set with enough jacks.

These shed bases are marketed for soft surfaces and they come with the necessary components for installation including brackets, adjustable bearing plates, screw piles, cross plates, and screws. However, as already mentioned, QuickJack does not supply timber frames shown on Amazon pictures. Instead, they require you to construct an ideal size frame out of 4 x 2 timbers, which you will then attach to their "Quick Jacks". No ground work nor equipment is required at all, the supplied "Quick Jacks" will help to anchor your structure. 

Thanks to the adjustable bearing plates, the Quick Jack shed base is easy to level on ground with up to 8 inches of slope. The built structure will help protect your shed from damp and water ingress, making sure that the items inside the shed are in top-notch condition as long as they're in there.

Made from heavy duty components, this shed base system is sure to support serious loads that may throw at it. The 10 year warranty offered on this product also gives substantial assurance of its quality. If you have some odd shaped sheds that you would like to support, consider one of the shed bases from Quick Jack. 

Compare the best prices from available sellers below


Our Final Conclusion

Whether plastic or wood, a shed base can do your garden building a whole lot of good. In addition, the base adds more strength to the shed, allowing it to carry a considerable amount of weight. Hopefully we have helped you find the best shed base for your garden building. The models we've listed above are only a tip of the iceberg but we tried our best to include different sizes as well as budgets.

Which model impressed you the most? We would be happy to hear from you. Feel free to leave a comment in the comments section below.


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