20′ x 10′ Forest 4Life 25yr Guarantee Overlap Pressure Treated Windowless Double Door Reverse Apex Wooden Shed (5.96m x 3.21m)
Overview
This 20′ x 10′ Forest 4Life shed is one of the largest overlap-clad models we stock, using a reverse apex roofline where the ridge runs along the width of the building rather than the depth. Pressure treated timber carries a 25 year guarantee against rot, and the windowless design leaves maximum wall space free for shelving.
For a smaller windowless reverse apex model in the same range, see the 15×10 Forest 4Life Windowless Double Door Reverse Apex Shed.
Key Features
- 20′ x 10′ (5.96m x 3.21m) large reverse apex shed
- Pressure treated overlap cladding
- 25 year guarantee against rot
- Windowless layout for maximum wall space
- Double doors for wide access
Roof Types
A reverse apex roof still rises to a central ridge for good headroom, but the ridge runs along the width of the shed rather than the depth. This suits gardens where the building backs onto a boundary along one of its longer sides.
Dimensions
- Overall width: 20′ (5.96m)
- Overall depth: 10′ (3.21m)
- Roof style: reverse apex
- Windows: none fitted
Construction
Overlap boards are fixed horizontally along a robust timber frame sized for a building of this length, with each board overlapping the one below to shed rainwater. Pressure treatment forces preservative into the timber during manufacture, supporting the long guarantee period.
Treatment & Guarantee
The 25 year guarantee against rot reflects the pressure treatment used throughout this shed. We still recommend checking cut edges and joints occasionally, touching these up with a compatible preservative if needed.
Doors & Windows
Wide double doors make it easy to move mowers, bikes and bulky items in and out, and the windowless walls leave the maximum space for shelving along every wall. For a mid-size reverse apex option in the same windowless range, see the 10×10 Forest 4Life Windowless Double Door Reverse Apex Shed.
Assembly Information
Given the size of this shed, assembly is best tackled by two or more people over a full weekend, following the supplied instructions carefully and allowing extra time for a build of this scale.
Delivery Information
Delivery is by pallet carrier to the nearest accessible point at your property. Please arrange help to move the panels into the garden, as the driver delivers to kerbside only.
Optional Upgrades
Additional shelving or a floor upgrade may be available for this model. Contact our sales team before ordering to check current options for a shed of this size.
Frequently Asked Questions
Is this shed suitable for machinery storage?
Yes, the size and double door access make it well suited to mowers, bikes and other bulky garden machinery.
Does the 25 year guarantee cover everything?
It covers the pressure treated timber against rot when the shed is maintained as recommended; full terms are available on request.
What base is recommended?
A firm, level, flat base such as paving slabs or concrete is recommended, sized to the full footprint.
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