*Shedstore's terms: free standard delivery on most items to mainland UK, some remote postcodes pay a surcharge. 14 days from delivery to change your mind; the maker's collection charge comes off the refund.
The QuickJACK Adjustable Shed Base System for Hard Surfaces Kit 5 is the biggest hard surface kit in the range. It is built for large garden buildings on concrete, tarmac or hardcore. It covers 14x8, 14x10, 15x10, 16x8, 16x10, 20x10 and 20x12 sheds. The ground does not need levelling first.
Kit 5 includes 15 corner brackets. Each is 6mm thick bright zinc plated steel. Turn the adjusting nut to raise or lower a corner. There is up to 100mm of adjustment at every point. Lock it off when the frame reads level. Fifteen points spread the load of a long floor well.
The pack adds 60 screws. Fix each base plate through its holes into the surface. Then bolt up a wooden frame cut to your shed floor size. That frame is not supplied. The maker suggests 2 inch wide timber. Plan for solid DIY skills on a job this size. The supplier has no fitting service.
A raised floor stays dry and ventilated. That helps stop rot in the timbers. The brackets can also tie the building down against wind. A concrete pour of this size is a big job. This kit is a tidy alternative. Each kit also carries a 10-year warranty.
| Largest hard kit | Built for the biggest sheds in the QuickJACK range |
| Height adjustment | Wind each nut to reach a true level |
| Corrosion resistant | Zinc plating protects the 6mm steel |
| Tie-down | Brackets can anchor the building to the surface |
| Hard surface use | Designed for tarmac, concrete and hardcore |
| Brand | ProBASE |
| Range | QuickJACK |
| Product type | Adjustable shed base |
| Base for | Hard surfaces (tarmac, concrete, hardcore) |
| Material | Zinc plated 6mm steel brackets with locking and adjusting nuts |
| Guarantee | 10 years |
| Kit | Kit 5 |
| Product code | SHS27109 |
| Bracket thickness | 6mm |
| Adjustment | Up to 100mm |
| Corner brackets | 15 |
| Screws | 60 |
| Compatible shed sizes | 14x8, 14x10, 15x10, 16x8, 16x10, 20x10, 20x12 |
| Wooden frame | Not included |
| Made in | UK |
| Sold by | Shedstore |
| Delivery | Shedstore: free standard delivery on most items to mainland UK, generally on weekdays. Some remote postcodes pay a surcharge. Delivered to the kerbside or your driveway. Listed delivery time: 2 - 5 Working Days. |
| Cancelling | 14 days from delivery to change your mind (Shedstore's terms). The maker's collection charge comes off the refund. |
Sizes are the maker's figures and are approximate. Please check the details on Shedstore's product page before you order.
Shedstore's standard delivery is free on most items to mainland UK, generally on weekdays. Some remote postcodes pay a surcharge, and a paid Pick-A-Day service is offered on some products.
Sheds are sent by the maker, so many have a lead time. The maker contacts you to arrange a delivery date. The postcode checker on Shedstore's product page shows the lead time for your area.
Shedstore takes most debit and credit cards including Visa and Mastercard (not American Express), Google Pay, Apple Pay and PayPal Credit.
You have 14 days from delivery to change your mind. Shedstore lists a collection charge for each maker (Keter £50, Shire £30, Palram Canopia up to 10% of the order), taken from the refund.
Buy this adjustable shed base from Shedstore
