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Description
Available in 18mm & 22mm – Moisture Resistant
Turn unused loft space into safe, practical storage with our Square Edge Chipboard Loft Flooring Boards.
Manufactured from high-density moisture-resistant chipboard, these boards provide a strong, stable platform for loft storage, access walkways and raised platforms. The clean square edges allow simple butt-joint installation, making them ideal for straightforward loft boarding projects.
Whether you need a standard storage solution or extra rigidity, choose between 18mm or 22mm thickness to suit your setup.
Why Choose These Loft Boards?
✔ Strong & Durable – Designed to provide a solid walking surface when properly supported across joists.
✔ Moisture Resistant – Suitable for loft environments where temperature and humidity fluctuate.
✔ Square Edge Simplicity – Easy to lay without interlocking profiles.
✔ Practical Size – 2380mm x 580mm fits through most loft hatches while still covering area efficiently.
✔ DIY Friendly – Easy to cut and install around loft legs, rafters and insulation systems.
Which Thickness Should You Choose?
18mm Loft Boards
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Ideal for standard storage use
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Suitable for most domestic loft applications
22mm Loft Boards
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Increased rigidity and strength
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Recommended where joist centres are wider or heavier storage is expected
Product Specifications
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Length: 2380mm
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Width: 580mm
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Thickness Options: 18mm or 22mm
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Edge Profile: Square Edge
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Material: Moisture-resistant chipboard
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Application: Internal use only
Installation Tips
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Ensure loft joists are structurally sound before boarding.
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Boards must be fully supported across joists.
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Leave a small expansion gap around the perimeter.
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Secure using appropriate flooring screws.
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Do not overload beyond intended storage use.
Frequently Asked Questions
What thickness loft board should I use – 18mm or 22mm?
18mm is suitable for most domestic loft storage projects. 22mm provides additional strength and rigidity, particularly where joist spacing is wider or heavier storage is planned.
Are these loft boards moisture resistant?
Yes. They are manufactured from moisture-resistant chipboard suitable for internal loft environments where temperature and humidity may vary.
Do square edge loft boards need to be joined?
Square edge boards are laid using butt joints. They should always be fully supported across joists and securely fixed with flooring screws.
Can I use these as a structural floor?
No. These boards are intended for loft storage and internal non-habitable applications only.
How many boards do I need?
Each board covers approximately 1.38m². Divide your loft area by 1.38 to estimate quantity required.
