9×1″ C24 Timber Rough Sawn Whitewood (225×22 mm) – 4.8 m
€18.99
In stock
| Quantity | Discount (%) | Price |
|---|---|---|
| 1 - 39 | — | €18.99 |
| 40 - 80 | 4% | €18.23 |
| 81+ | 8% | €17.47 |
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C24 strength-graded structural timber, certified for load-bearing applications
Kiln-dried to <22% moisture content for stability on site
Lightweight and easy to handle, cut, and fix
Designed for structural use behind finishes rather than visible detailing
Untreated, additional protection needed in damp or external locations
Product specification
- Length
- 4800 mm
- Width
- 225 mm
- Thickness
- 22 mm
- Weight
- 11.17 kg
- Material
- Timber
- Wood Type
- Softwood
Whitewood Timber
9×1 whitewood, 225 by 22 mm, is the widest thin board in this range: deep fascia and barge backing, gable ladders, formwork panels, and shelving where a single board beats two. Strength-graded to C24 and kiln-dried below 22% moisture content, it is supplied with the specifications needed for sign-off on regulated work. It comes in 4.8 m lengths. Stocked in our warehouse for delivery across Ireland.
Why Whitewood?
A 225 mm board covers ground quickly, which is the whole argument for it. One length does what two 4×1s would, with a single fixing line instead of two and no joint down the middle to fill or flash. That width does make it the most movement-sensitive section in the 22 mm row, so the kiln drying and the way you stack it matter more here than anywhere else in the range.
Installation guidance
Fix in pairs across the width at every bearing, and keep fixings back from the edge by at least three times the nail diameter to avoid splitting. On formwork, brace behind the board rather than relying on its own stiffness, because 22 mm over 225 mm will bow under wet concrete pressure. Cut with a guided saw rather than freehand: a wide board shows a wandering cut on every joint.
Finishing & maintenance
This board is untreated, so it wants to be painted, covered or kept indoors. Anything facing the weather or sitting against blockwork should be the treated equivalent from our C24 treated timber range. Stack flat on bearers at close centres, never on edge and never on the ground: a wide board left leaning against a wall for a week takes a set you cannot pull out. Browse all C24 timber sizes, from 75×22 mm up to 225×75 mm. To compare sawn and treated sizes side by side, see our construction timber page.