100 x 47mm (4x2) Treated Timber | C16 / C24 Regularised Carcassing

Our 100 x 47mm (4x2) regularised treated timber is a high-quality structural softwood suitable for a wide range of building applications. Supplied in C16 or C24 strength grades, this timber is ideal for stud walls, roof joists, floor joists, decking frames, and general structural framing.

✅ Nominal size: 100mm x 47mm (4" x 2")
✅ Finished size (regularised): approx. 95mm x 45mm
✅ Available in multiple lengths
✅ Choose from C16 (standard structural) or C24 (higher strength & fewer knots)
✅ Planed all round (PAR) with eased edges
✅ Kiln-dried and pressure-treated for long-lasting durability

Treated to UC2/UC3 standard for protection against rot, decay, and insect attack, this timber is perfect for internal and external use, offering strength, reliability, and consistency for trade or DIY construction projects.

🛠️ Common Uses:

• Internal stud wall framing

• Decking subframes & garden structures

• Roof battens & rafters

• Timber outbuildings, sheds & joist systems

✔️ Strong, straight, and easy to work with
✔️ Available in single lengths or trade packs
✔️ Nationwide delivery available