C24 Treated Timber 4″ x 2″ (47 x 100mm) 2.4m – Superior Structural Softwood
Our C24 Treated Timber 4″ x 2″ (47 x 100mm) 2.4m is a high-quality, structural-grade softwood, meticulously engineered for demanding construction projects across the UK. This premium timber is kiln-dried and pressure-treated, offering exceptional strength, stability, and durability for a wide array of building applications.
Graded to the superior C24 standard, this timber ensures reliable performance under heavy loads and over longer spans, making it an indispensable choice for professional builders and DIY enthusiasts alike. Its treatment provides robust protection against fungal decay and insect infestation, extending its lifespan in both internal and external environments where it is not in direct ground contact.
Key Features and Specifications
- Strength Grade: C24 structural strength class, conforming to BS EN 14081-1:2016 and EN 338 standards, indicating superior load-bearing capabilities.
- Nominal Dimensions: 47mm x 100mm (4″ x 2″).
- Finished Dimensions: Regularised to approximately 45mm x 95mm with eased edges for consistent sizing and safer handling.
- Length: 2.4 metres.
- Material: High-quality coniferous softwood, typically spruce, fir, or pine.
- Treatment: Pressure-treated (e.g., with Tanalith E) to Use Class 2 (UC2) for effective protection against fungal decay and insect attack, suitable for above-ground applications.
- Drying Process: Kiln-dried to achieve a stable moisture content below 20%, significantly reducing the risk of warping, twisting, and shrinkage.
- Finish: Planed all round (PAR) with eased/rounded edges for a smooth, uniform finish, facilitating easier installation and a professional appearance.
- Density: Characteristic density of 350 kg/m³ and an average density of 420 kg/m³.
- Sustainability: Responsibly sourced from sustainably managed forests, often FSC or PEFC certified.
Applications
This versatile C24 treated timber is ideal for a comprehensive range of structural and non-structural applications. Its high strength and durability make it perfect for:
- Roof Structures: Including rafters, ceiling joists, and other load-bearing roof timbers.
- Floor Systems: Providing robust support for floor joists and trimmers, ensuring a firm and stable base.
- Stud Walls & Timber Framing: Essential for constructing load-bearing walls, internal partitions, and general timber frames.
- General Carcassing: Suitable for extensions, loft conversions, and other framing jobs where strength and consistency are paramount.
- Decking Subframes: Creating a durable and rot-resistant substructure for external timber decking areas (ensure cut ends are re-sealed).
- Garden Structures: Such as pergolas, sheds, and fencing frameworks.
Delivery in and Around London
We offer reliable delivery of our C24 Treated Timber 4″ x 2″ (47 x 100mm) 2.4m across London and the surrounding home counties. Our delivery service covers key London boroughs including Croydon, Lewisham, Southwark, Camden, and Hackney, as well as the wider Greater London areas such as Enfield, Bexley, Redbridge, and Barnet. We also extend our delivery to neighbouring counties like Kent, Essex, Surrey, and Hertfordshire. This product is available in various lengths and formats to suit your project needs, and we welcome trade quantities for all orders.






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