A foundation kit for swim spas with a foot print of up to 594x231cm

Why go through the difficult and labour intensive process of using concrete or paving slabs when you can use our weather proof, no-rot, easy to install, incredibly strong and permeable swim spa bases!

  • Suitable for: Spas up to 594cm x 231cm
  • Depth: 40mm
  • Number of panels: 128 Panels
  • Made from: Recycled Plastic
  • Max load: Up to 420 tonnes
  • Kit contains: 5 boxes containing 24 X-Grid Panels, 2x1.35m membrane and 5x 3mm Steel u-Pins and 1 box containing 8 X-Grid Panels, 2x1.35m membrane and 5x 3mm Steel u-Pins
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Delivery costs will be calculated at the checkout page

£236.00

SKU: HTB-126
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Why Use A Plastic Swim Spa Base Kit?

Our interlocking swim spa bases are eco-friendly, recycled plastic foundations that are manufactured here in the UK. Being made of plastic, each base is UV and weather-resistant, so unlike more traditional bases this will not rot or break down over time. With an open-cell structure, spilt water and rain is able to drain away naturally into the ground below unlike on harder surfaced bases where this would sit on the surface and potentially cause water damage to your spa. As well as being permeable, our bases have been tested by Lloyds British who confirmed they are able to hold up to 420 tonnes per square meter. Finally, whilst being all of the things mentioned above, each swim spa base has an interlocking slot and peg system which makes it a quick and easy to install foundation.

Is Your Swim Spa Base Suitable For My Swim Spa?

In short, yes. Our swim spa bases are suitable for use with almost all swim spas regardless of their make or model. Browse our “compatibility” tab above here to see a list we have compiled of swim spas that will fit on this specifically sized base. If your swim spa does not feature on that list there is no need to worry, we have a range of different sized swim spa bases that you can compare to your swim spas dimensions to see which one would fit your swim spa best. If you still cannot find the right base for your swim spa, leave us a message or live chat us to discuss your specific needs which we will be able to meet.

To read examples of our customers installing spa bases, visit our swim spa base blogs page.

For further information on installing your swim spa base read our Install Guide.

Additional information

Weight 71.82 kg
Dimensions 5940 × 2310 × 40 mm
Base Length

Base Width

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ASK A QUESTION

What are your swim spa bases suitable for?

Our plastic spa bases are incredibly effective and versatile. They are a suitable foundation for almost all hot tubs and swim spas. Please contact us if you are unsure of compatibility.

What sub-base do I need under my swim spa base?

We recommend you prepare the ground below your base with approximately 100mm of a compact hard base (type 1 or type 3), a weed-suppressing membrane and sand to level.

What is the difference between compact hard base type 1 or type 3?

Compact hard base, type 1 is much finer and can occasionally dust while the compact hard base, type 3 is larger and more permeable.

Can I put the base straight onto grass or soil?

We recommend not installing directly onto grass or soil but instead, install onto a compact hard base as it creates a sturdy, even base. Soil or grass can and will most likely will absorb water leading to sinking and creating an uneven sub-base for your spa base.

Can your plastic bases be installed on to concrete slabs/pads?

Yes, they can be installed onto concrete slabs or pads as long as the existing ground is strong and level. The base will allow airflow under your spa and elevate it away from any potential surface water.

How much gravel or aggregate should I use to fill my base?

Approximately 8kg of gravel or aggregate is required to fill each panel, or 72kg per m².

What size gravel should I use?

We recommend using anything up to 20mm in size.

Does the base need to be filled with gravel?

Our bases are more than strong enough without a gravel fill, able to withstand up to 420 tonnes per sqm. The gravel can be used to compact and enforce even more whilst also being a decorative finish.

Does this product come with pins or membrane?

Yes, our swim spa base kits come with pins and a sheet of membrane.

Can the plastic base panels be cut to size?

Yes they can be cut and we recommend doing so with a fine tooth saw.

Do I need pegs or anchors to secure my base?

Pegs and anchors to secure you base are only necessary when installing on areas which have a gradient over 12%.

How do I know which side of the panel to put down?

The bottom of the base has ‘X-Grid’ written on it, indicating the face you put on the ground.

Can the base panels be stacked on top of each other?

No, they are not designed to be stacked.

Where can I find installation instructions?

Install guides can be found on the ‘downloads’ tab. In addition, more information on installations can be found through our blogs and YouTube videos.

Can I create a grass base with the use of your swim spa base?

Yes, grass can grow in the panels cells when correctly filled with soil and seed.

Do your plastic swim spa bases have a warranty?

Yes, our bases have a 10 year manufacturer warranty.

Can I be guaranteed the same colour all throughout my product?

Our products are new generation, manufactured entirely from post-consumer recycled plastic; this means you may occasionally find very slightly different shades of colour.

How much is delivery?

The cost for delivery can be seen when you add your product to basket and at checkout.

Installation Guide

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A case study from a past customer who used a 6ft x 6ft hot tub base under their new Canadian Spa Company Hot Tubread more ❯
Rubber Hot Tub Base Tiles Under An Inflatable Lay-Z-Spa
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Installing a Lay-Z-Spa onto a solid and non-slip green inflatable hot tub tile baseread more ❯
8ft x 8ft Hot Tub Base Customer Review
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A case study from Nick who used an 8ft x 8ft hot tub base from us as the foundation for a new hot tubread more ❯
Tahiti Spa Hot Tub Base [Customer Review]
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A review from William and Mark who used an 8ft x 8ft plastic hot tub base as a foundation for their Tahiti hot tubread more ❯
7ft x 7ft Hot Tub Base - Customer Review
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A case study from Joe who transformed his garden and used our plastic hot tub base as the foundation for his new hot tubread more ❯
49 Panel (7ft x 7ft) Hot Tub Base Installation - Customer Review
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See how Gary & Sheena used our plastic hot tub base as a solid foundation for their new hot tubread more ❯
Customer Review - 7ft x 7ft Hot Tub Base Kit Installation
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See how David used a 7ft x 7ft hot tub base kit as the foundation for his new Blue Whale Spa Hot Tubread more ❯
7ft x 5ft Canadian Spa Company Hot Tub Base Installation
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Installation from Carl who used a 7ft x 5ft hot tub base under his new Canadian Spa Company Hot Tubread more ❯
7ft x 7ft Plastic Hot Tub Base Under An Artesian Spa Hot Tub
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See how a 7ft x 7ft hot tub base was installed by Tony under his new Tropic Seas Hawaii Hot Tubread more ❯
Typhoon 6 Seater Hot Tub Installed On Our 7ft x 7ft Plastic Base
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Stuart used one of our 7ft x 7ft hot tub bases under his new Typhoon 6 seater hot tubread more ❯
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