8 Easy Steps to Install a Foundation Kit for Your Shed in Ireland

01.04.2025

Your shed will only ever be as strong as the foundation it rests on. Without a level surface at the base, your shed might sink or shift over time which leads to other problems like moisture damage especially in wet and windy climates like Ireland. 

Choosing a Summerhouse24 foundation kit makes the whole process faster, easier and more cost-effective – that’s the trifecta of happiness right there!

Why choose a Summerhouse24 foundation kit?

Each Summerhouse24 foundation kit is designed to fit your specific shed model so you know it’s a perfect match without the hassle of trying to cut and measure separately sourced materials. Unlike traditional concrete bases this kit is up to 80% cheaper and you don’t need to hire heavy equipment so you keep more of your money in your pocket.

One of the standout features of this kit is its 20 cm adjustment margin which allows you to create a level surface even on slightly uneven terrain. The system includes both metal brackets and a wooden frame, so there’s no need to build a separate substructure – your shed is installed directly on top. Plus, if you ever need to move your shed, the foundation can easily be dismantled and relocated.

It’s designed to support garden houses up to 45m² and so can handle many times the weight of the structure. Best of all, it’s simple enough to install for anyone who can use a cordless screwdriver and a spirit level. However, if you’d rather leave it to the experts, our installation team can set it up for you as part of the full kit and install package.

Expert tips to make the process easy for DIY-ers

Setting up your shed foundation kit is a straightforward process, but a few expert tips can make it even easier. First, check the weather before you start. Trying to level the ground in the rain can be frustrating, so aim for a dry day to keep the process smooth.

Next, remove any debris, vegetation, or uneven patches to create a clear area for your foundation. A little extra effort here will save time and prevent issues later.

Sounds simple, but be sure to follow the instructions provided with the kit exactly. They’re designed to guide you step by step, so referring to them throughout the process will help you to avoid any mistakes.

Some parts, like flipping and positioning the base can be hard to do alone, so team up with an extra pair of hands for the trickier parts (a pint of Guinness at the pub after is the only reward your best friend will need). 

FInally, having the right tools on hand is super important. 

Your tool checklist

Here’s everything you’ll need to gather before starting:

  • Spade or shovel (For digging and clearing the site)
  • Rake (To level out the area before laying the foundation)
  • Weed membrane (Helps prevent vegetation from growing under your shed)
  • Gravel or crushed stone (Provides a stable, well-draining base)
  • Tamper or plate compactor (To compact the gravel and create a solid surface)
  • Spirit level (Ensures the foundation is perfectly level)
  • Tape measure (For accurate positioning and spacing)
  • Rubber mallet (Useful for adjusting components without damaging them)
  • Foundation kit from Summerhouse24 (Specific for your shed model, making assembly quick and easy)

8 Steps to install your Summerhouse24 shed foundation kit

If you follow these steps your installation process will be smooth and hassle free. 

Step 1: Laying the groundwork

Before installation begins, review the foundation plan provided by Summerhouse24. This customised layout outlines exactly where the support points need to go so the foundation is

a precise fit for your shed model. Take a moment to compare the plan with your chosen installation site. Check that the dimensions align and that there’s enough space for easy access and assembly. Since good drainage is key, choose a spot that won’t collect water and avoid areas prone to flooding.

Now prepare the ground in your chosen location. Start by clearing the area of any grass, plants, or debris using a spade and try to make the surface as even as possible. Next, level out any uneven patches with a rake. Finally, lay down a weed membrane to prevent unwanted growth beneath the shed.

Step 2: Build the frame

Begin by laying out the pieces on the cleared surface and arrange them according to the instructions provided in your Summerhouse24 foundation kit. This step helps you to make sure everything is correctly positioned before securing it in place.

Once all the pieces are in place, secure each joint with screws and a drill and make sure the corners are fastened tightly. As you go, check for any misalignment and make adjustments as needed. A solidly built foundation frame is key to keeping your shed stable, preventing shifts or uneven weight distribution over time.

how-to-install-base-step-2-assembly-frame

Step 3: Make sure your frame is squared

To check that your frame is perfectly square, measure the diagonals from corner to corner. If the structure is square, both diagonal measurements will be exactly the same. If they’re off, adjust the frame until the lengths match. This step may take a few small tweaks, but getting it right is essential for a level and secure shed base and will mean that the doors, walls, and the roof will fit together seamlessly when it’s time to assemble the shed.

Step 4: Secure the adjustable support legs

Now attach the adjustable support legs that will keep your shed level, stable, and elevated. Start by threading a nut onto each support leg’s threaded bar, positioning it roughly at the halfway point. This allows room for adjustments later, making it easier to fine-tune the height once the base is in place.

Next, carefully attach each support leg to the designated spots on the base frame, following the layout provided in your Summerhouse24 foundation kit. Secure them firmly, ensuring they are evenly spaced and aligned correctly.

Step 5: Position the base frame

It’s time to position the foundation frame in its final location. Carefully flip the assembled frame over and set it in place, making sure it sits exactly where your shed will be installed. Take a moment to check that everything is level and adjust the support legs if needed.

Once the frame is correctly positioned, use a marker or stakes to mark where each support leg meets the ground. This will guide the final installation and ensure everything stays aligned. If you live in an area prone to strong winds, it’s a good idea to anchor the frame securely using the stakes provided in the kit. This added reinforcement will help keep your shed stable in all weather conditions.

how-to-install-base-step-5-marking-sh24

Step 6: Drill the anchor holes

Start by temporarily moving the frame aside so you can access the marked spots. Using a drill, create holes deep enough to firmly anchor the threaded bars of the support legs into the ground.

Precision is key here and each hole should align perfectly with the base frame’s support points.

Step 7: Put the base frame in place

Carefully lift the base frame and lower it onto the prepared site making sure each support leg aligns with the drilled holes. Once the threaded bars are inserted into the ground, secure them by tightening the nuts. This locks the foundation in place and prevents any movement over time. To further reinforce the stability of your shed, install the metal support plates at the base of each leg. These plates help distribute weight evenly and provide extra support especially on softer or uneven terrain. 

Step 8: Final check and fine-tune

Using a spirit level, check the frame from all directions. If you notice any unevenness gently tap the frame with a rubber mallet to make small corrections.

Next, fine-tune the height of the support legs by adjusting the nuts on the threaded bars. Turning them up or down will help achieve a perfectly level surface.

Once you’re satisfied with the alignment, tighten all screws and nuts securely to lock everything in place. 

Last thoughts

And that’s a wrap! Your foundation is now solid, stable, and ready for your Summerhouse24 shed to be installed!