7×2″ C24 Timber Rough Sawn Whitewood (175×44 mm) – 5.4 m
€29.91
In stock
| Quantity | Discount (%) | Price |
|---|---|---|
| 1 - 39 | — | €29.91 |
| 40 - 80 | 4% | €28.71 |
| 81+ | 8% | €27.52 |
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Product specification
- Length
- 5400 mm
- Width
- 175 mm
- Thickness
- 44 mm
- Weight
- 19.54 kg
- Material
- Timber
- Wood Type
- Softwood
Whitewood Timber
7×2 whitewood, 175 by 44 mm, is the section most Irish builders reach for when a floor has to carry real load across a normal domestic span. Strength-graded to C24 and kiln-dried below 22% moisture content, every length is certified for load-bearing use and supplied with the specifications you need for sign-off on regulated work. You can take it in any length from 3.6 m to 8.4 m. Stocked in our warehouse for delivery across Ireland.
Why Whitewood?
At 175 mm deep this size sits between the 6×2 and the 9×2, which makes it the joist you specify when 150 mm will not quite reach and 225 mm is more section than the span needs. Depth is what carries a floor rather than width, so stepping up one size buys far more capacity than it costs. With a density of around 470 kg/m³ it stays light enough to lift into place by hand, and it takes structural fixings cleanly.
Installation guidance
Most 7×2 leaves our warehouse as floor and ceiling joists at 400 or 600 mm centres. Check the span tables for your load case and your centres before ordering, because the safe span moves with both. Give each end at least 90 mm of bearing onto the wall plate, and fit herringbone strutting or solid noggins at mid span on anything over about 2.5 m so the joists cannot roll under load. Where services cross, keep top-edge notches inside the first quarter of the span and no deeper than about 22 mm on this section, drill holes at mid depth, and never notch the bottom edge, which is the face in tension.
Finishing & maintenance
Whitewood is structural timber designed to sit behind plasterboard, flooring or cladding rather than on show. Any exterior or damp-zone use needs the treated equivalent from our C24 treated timber range, which carries the same C24 rating with preservative driven in under pressure. Store flat and clear of the ground on site so it does not pick up moisture before it goes in. If you are not sure whether your position needs treated, our C24 timber page explains where sawn belongs. To compare sawn and treated sizes side by side, see our construction timber page.