12ft x 6ft Smiths Sectional Summerhouse & Base Install - Featured Image
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12ft x 6ft Smiths Sectional Summerhouse And Plastic Base Installation

This case study comes from Mark who was looking for a suitable foundation for his recently purchased 12ft x 6ft Summerhouse from Smiths Sectional. After having his summerhouse made to order, he began searching for a summerhouse base that would be strong, easy to install and help prevent his summerhouse from becoming damp or rotting. Knowing these qualities would not come with a concrete base, he began researching for an alternative.

Choosing & Ordering A Summerhouse Base

After searching online and browsing a few websites for a suitable alternative, Mark came across our website and fully recycled plastic bases. He began reading up on the bases many benefits such as: being lightweight, easy to install, strong (able to hold up to 420 tonnes), permeable, made from 100% recycled plastic, UV resistant and weather resistant.

Once Mark had discovered the benefits mentioned above, he ordered a 12ft x 6ft plastic summerhouse base, a 1m x 12m membrane and a pack of U-Pins. The order was dispatched and delivered to his home within just 3 working days.

12ft x 6ft Smiths Sectional Summerhouse & Base Install - Base Installed
12ft x 6ft Smiths Sectional Summerhouse & Base Install - Base Filled & Shed Floor Started

Installing The Base & Summerhouse

Mark began installing his base as soon as he could. He followed our installation guide and had his foundation down in no time.

To begin, Mark measured and marked out a 12ft x 6ft area at the back of his garden. This gave a rough outline as to where the summerhouse would be stood. With the outline in place, Mark removed any excess soil or material within the area  before leveling and compacting as well as he could using a small amount of stone and gravel. With a flat and solid sub-base now in place, Mark could move on to the next step of the install.

On top of the sub-base, Mark rolled out and cut to size his sheet of membrane. He ensured the sheet was laid out correctly and covered the entire 12ft x 6ft area before securing in place using the metal u-pins. Membrane is used to allow water to drain away naturally into the ground whilst preventing plants and weeds from growing up and through the base to reach your garden building.

With the membrane secure, Mark’s plastic base could now be installed. He started in one corner and laid one base panel at a time simply connecting the neighbouring pieces together using the specially designed slot and peg system. He repeated this process until the full 12ft x 6ft base was in place and secure. All that was left to do was to then was fill the base with an angular gravel, we estimate that 8kg of gravel is required to fill each plastic base panel so you can roughly work out how much is needed for your full base.

Mark’s final job was to build the summerhouse which had been delivered to him. As you can see in the photos, he started with the flooring before building up the walls, installing the roof before putting in the door and windows! Much easier said than done!


Mark is delighted with his new summerhouse and plastic summerhouse base which looks fantastic in his garden will no doubt be a great addition to his home.

Mark told us: “I am very happy withyour base, its cost and my summerhouse!”

A big thank you to Mark for sharing the photos and information of his project to allow us to create this case study. If you have any questions about our bases or have images of your installation to share then please do not hesitate to contact us.

12ft x 6ft Smiths Sectional Summerhouse & Base Install - Shed Installed

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