12′ x 8′ Forest 4Life 25yr Guarantee Overlap Pressure Treated Windowless Double Door Apex Wooden Shed (3.6m x 2.61m)
Overview
This 12′ x 8′ wooden shed from Forest is handcrafted in Great Britain and delivers exceptional durability with a 25 year anti rot guarantee, the longest guarantee on the market. The overlap, pressure treated construction means the wood never needs retreating, and the windowless design keeps tools, bicycles and expensive equipment hidden from view.
Key Features
- 25 year anti rot guarantee, maintenance free wood treatment
- Fully modular design for easier assembly and superior strength
- 30 percent more framing than standard sheds
- Market leading flexibility on door placements
- FSC certified timber, handcrafted in Britain
- Windowless design for maximum security
- Hidden security hinges plus a padlock ready hasp and staple plate
Roof Types
The traditional apex roof is built from 8mm OSB and reinforced with a metal truss bracket, then finished with a green mineral felt cover for complete weatherproof protection. Smooth planed barge boards and diamond shaped finials give this garden shed an attractive, professional appearance.
Dimensions
- External size: 12′ x 8′ (3.6m x 2.61m)
- High roofline for excellent headroom when storing taller items
Construction
The walls are built from 7mm overlap cladding with straight cut boards for a smart finish, allowing natural timber movement while ensuring excellent rainwater runoff. The 12mm solid wooden floor is much stronger than standard OSB flooring and is supported by pressure treated bearers, protecting against rot causing ground moisture.
Treatment & Guarantee
Pressure treated throughout and backed by Forest’s 4Life guarantee, this shed comes with a full 25 year anti rot warranty, the longest guarantee available. This means the timber is protected for the lifetime of the shed, sparing you the cost and inconvenience of retreating.
Doors & Windows / Security
Wide double doors are ledged and braced for extra strength to prevent dropping or movement, and feature hidden security hinges plus a padlock ready hasp and staple plate (padlock not included). The windowless design keeps your valuable tools out of sight, adding a further layer of security.
Assembly Information
The fully modular design delivers the shed in smaller, interchangeable panels, making assembly considerably easier than traditional wooden sheds. A full set of fixings and clear instructions are included, and a competitively priced installation service is available if you would prefer professional help.
Delivery Information
Free delivery is available to most UK postcodes via Forest’s White Glove Delivery Service, with your new shed dropped off wherever you like in the garden and all packaging removed.
Optional Upgrades
Professional installation is available as an optional service, alongside a pressure treated shed base kit. Choose between a wooden base framework with a 15 year rot guarantee, or an eco friendly plastic base made from 100 percent recycled plastic with excellent drainage.
Frequently Asked Questions
Do I need to treat the wood? No. The pressure treatment and 25 year guarantee mean the wood never needs retreating.
Is assembly difficult? The fully modular design makes assembly much easier than standard wooden sheds, and professional installation is available as an option.
What base do I need? A proper base is recommended. Wooden or plastic shed base kits are available as optional extras to prevent ground moisture damage.

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