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ProBase Kit
4m x 5m Log cabin or Garden Building
A garden building base kit made from ProBase grids to form a firm, strong, long-lasting and well-drained foundation for a garden building.
- Grid Dimensions (Approx): 40mm x 500mm x 500mm
- Grid Weight: 1.3kg
- Material: High Quality Recycled Plastic with UV Protection.
- Kit Includes: Commercial Grade Weed resistant membrane sheet, cut to size
- Country of Origin: Manufactured in UK to ISO 9001
- Certified: Independently tested and certified
- Guaranteed: 20 Years
Number of Grids: 80
Each grid requires approximately 12kg of 10mm round pea gravel
£340.80
New Improved ProBase & Accessories:
Watch the how-to-install guide:
Additional Information:
- Grid Dimensions (Approx): (H)40mm, (W)500mm, (D)500mm
- Manufactured to ISO 9001 in the UK
- Recycled high grade plastic from a reputable supplier in the UK
- Independently tested to support over 50 tonnes per grid of vertical load empty of gravel
- Tested with infill of gravel to over 175 tonnes per grid
- Next day delivery (weekdays) by DPD with timed delivery slot notification to customers
- DPD offer a fully trackable delivery service so customers can manage their delivery time and date
- Requires the removal of approximately 20mm depth of turf when laying on grass.
- Only grid on the market designed specifically to carry timbers buildings
- Only grid which actually measures 500mm x 500mm in size wall to wall and comfortably fits 5ft, 7ft, 10ft sheds
- Only grid on the market with load spreading feet on the underside so no gravel required
- Includes a sheet of commercial grade weed-resistant membrane, cut to size
- Treatment: Maintenance free
- Guarantee: 40 year anti-rot
- Simply slide together it’s quick and easy to lay.
- Suitable for most timber garden sheds, summer houses, play houses, bike stores and log stores.
- Lightweight and easily picked up, carried and placed into position.
- Robust – provides a firm strong and long lasting base for the building.
- The perimeter can be filled with pea-gravel to create a french drain that prevents splash back onto the building.
- Use as a base on which to build a timber garden building
- Assembly time: Self assembly
Product Downloads:
Installation GuideDownload the fitting instructions that come with each ProBASE pack.
Installation Guide (Log Cabins)Download the fitting instructions that come with each ProBASE pack.
Design OptionsDownload the base design options for ideas on how to set out your ProBASE.
Sub Base OptionsDownload the sub base options for ideas on how to set out your ProBASE.
Anchor Blocks and French DrainsDownload the instructions on how to install Anchor Blocks and French Drains
CertificateDownload the testing certificate for ProBASE.
| QBS Brand | ProBase |
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D Smale (verified owner) –
Great base to use, once back filled with 10mm pea gravel it provides a good firm base, as others have said it makes life easier if you level your ground first.
Only disappointment was the weed membrane supplied which was not cut to size and measured 2.5m x 4 m but my base was 5 m x 4 m.
Ivor B. (verified owner) –
My second ProBase kit, much more practical than concrete for a timber building
karen (verified owner) –
Great price
Ian S. (verified owner) –
Absolutely no problem with the kit but note that it’s absolutely essential to get the ground level first.
Anthony C. (verified owner) –
I have installed the base and back filled with shingle, as recommended. It’s a really firm base and should make a great standing for the log cabin
Robert Watson (verified owner) –
Good price
Richard Young (verified owner) –
Easy to assemble, went down in about 40 minutes