20′ x 10′ Forest Beckwood 25yr Guarantee Shiplap Pressure Treated Double Door Apex Wooden Shed (5.96m x 3.21m)
Overview
The Forest Beckwood 20×10 apex shed is a premium wooden shed designed for serious garden storage and workshop use. This 5.96m x 3.21m shiplap shed combines expert British craftsmanship with practical functionality, offering far more than basic storage for tools, bicycles and equipment.
Built from FSC-certified British timber and pressure treated throughout, this double door apex shed comes with Forest’s exceptional 25-year anti-rot guarantee – the longest guarantee on the market. You’ll never need to retreat the wood, eliminating costly maintenance and ensuring decades of reliable protection.
Key Features
- Pressure-treated construction with 25-year anti-rot guarantee
- Modular design for easier assembly and flexible customisation
- 30% thicker framing for superior strength and durability
- 12mm shiplap tongue and groove cladding for weathertight performance
- Premium 12mm tongue and groove flooring
- Double doors with security hinges and pad bolt
- Eight shatterproof acrylic windows for natural light
- FSC-certified sustainable British timber
- Handcrafted in Great Britain
Roof Types
This pressure treated shed features a traditional apex roof design, reinforced with metal truss brackets for exceptional strength. The roof is constructed from tough 8mm OSB board and finished with green mineral felt for complete weatherproof protection. Attractive barge boards and finials complete the classic appearance.
Dimensions
The 20′ x 10′ (5.96m x 3.21m) size offers generous space for multiple purposes:
- Length: 5.96m (20 feet)
- Width: 3.21m (10 feet)
- High roofline allowing ample headroom and vertical storage
Construction
This apex wooden shed is built on a robust 28 x 56mm frame with 30% thicker framing than standard sheds, providing exceptional structural integrity. The 12mm shiplap tongue and groove cladding features tightly-interlocking boards that create a completely weathertight seal whilst its scalloped profile ensures excellent rainwater runoff.
The premium 12mm tongue and groove floor is reinforced by pressure-treated bearers, protecting against rot-causing ground moisture. This solid construction easily accommodates heavier items and withstands regular use as a workshop.
Treatment & Guarantee
All timber in this double door shed is pressure treated using modern treatments that provide exceptional rot resistance. The 25-year anti-rot guarantee is the longest available on the market, giving you complete peace of mind. Unlike untreated sheds, you’ll never need to apply additional treatments or coatings, saving time and money on maintenance.
Doors & Windows
Wide double doors provide easy access and accommodate larger items. These security doors are ledged and braced for extra strength, fitted with hidden security hinges and a pad bolt (padlock not included) to protect your valuable tools and equipment.
Eight shatterproof 3mm acrylic windows flood the interior with natural light – ideal for working on DIY projects or maintaining equipment. These windows won’t discolour or fade and can be positioned flexibly around the shed to suit your requirements.
The modular design allows you to customise both door and window placements to match your garden orientation and specific needs.
Assembly Information
The complete modular design of this apex shed makes assembly significantly easier than traditional wooden sheds. The building arrives in smaller sections of interchangeable panels, reducing complexity during construction. All fixings and clear instructions are supplied to guide you through assembly.
If you’d prefer professional help, Forest offers a competitively-priced installation service as an optional upgrade.
Delivery Information
Forest’s White Glove Delivery Service is available to most UK postcodes. Your pressure treated shed is delivered straight into your garden with all packaging removed, saving you the hassle of dealing with waste materials. This service makes receiving your new garden shed straightforward and convenient.
Optional Upgrades
Professional installation service is available for added convenience. A pressure-treated wooden shed base kit (7.5cm height x 300.6cm width x 590cm depth) offers a faster, more cost-effective alternative to laying slabs or concrete. This UC4 incised timber framework is pressure treated with a 15-year rot guarantee.
Alternatively, a plastic shed base kit provides a lightweight, eco-friendly solution made from 100% recycled plastic. This interlocking base system allows ventilation and drainage beneath your shed, keeping the floor dry.
Frequently Asked Questions
Can I customise the door and window positions? Yes – the modular design allows incredible flexibility with door and window placement to suit your garden layout and requirements.
Is the wood treated? Yes, the entire shed is pressure treated and comes with a 25-year anti-rot guarantee. The wood never needs retreating.
What size base do I need? We recommend preparing a firm, level foundation. Optional pressure-treated wooden or recycled plastic shed bases are available.
How long does assembly take? The modular design simplifies assembly considerably compared to standard wooden sheds. Professional installation is available as an optional service.
Explore our full range of wooden garden sheds, garden storage solutions, and log cabins to find the perfect addition to your garden.
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