Our C24 Treated Timber 4″ x 2″ (47 x 100mm) 3m is a premium, high-strength structural softwood, meticulously graded and processed for superior performance in demanding construction projects across the UK. This versatile 3-metre length of C24 timber is kiln-dried for optimal stability and pressure-treated to provide exceptional resistance against fungal decay and insect infestation, making it a reliable choice for both internal and external structural applications.
Key Features and Specifications
- Grade: C24 strength-graded structural timber, meeting rigorous UK building standards (BS EN 14081-1:2016) for known structural performance.
- Nominal Dimensions: 4 inches x 2 inches (4″ x 2″).
- Actual Dimensions: Approximately 47mm x 100mm (finished size often 45mm x 95mm due to regularisation).
- Length: 3.0 metres.
- Material: High-quality, slow-grown softwood, typically Scandinavian Whitewood Spruce, kiln-dried to minimise moisture content and improve stability.
- Treatment: Pressure-treated (e.g., with Tanalith ‘E’ or similar) to Use Class 2 (UC2) or Use Class 3 (UC3) standards, offering robust protection against rot, fungal decay, and insect attack for above-ground applications.
- Finish: Regularised and planed with eased (rounded) edges for safer handling, consistent dimensions, and a cleaner finish.
- Sustainability: Sourced from responsibly managed forests, often FSC® or PEFC certified, ensuring environmental compliance.
Applications
This durable C24 graded timber is an essential building material for a wide array of structural and general joinery applications. Its superior strength and treatment make it suitable for:
- Roof Structures: Ideal for rafters, purlins, and other load-bearing roof timbers.
- Floor Systems: Perfect for floor joists, ensuring stability and durability in flooring frameworks.
- Timber Framing: Used extensively for stud walls, partition walls, and general timber frame construction.
- External Framing: A sensible option for structural timber used in more exposed parts of a build, such as decking subframes and garden structures like pergolas and sheds.
- General Carcassing: Reliable for all structural carcassing where high strength and stability are paramount.
Delivery in and Around London
We offer efficient and reliable delivery of our C24 Treated Timber 4″ x 2″ (47 x 100mm) 3m across London and the surrounding home counties. Our delivery service covers key London boroughs including Croydon, Lewisham, Southwark, Camden, and Hackney, as well as wider Greater London areas such as Enfield, Bexley, Redbridge, and Barnet. We also extend our delivery to surrounding counties like Kent, Essex, Surrey, and Hertfordshire. Whether you require individual lengths or large trade quantities for your construction projects, we are equipped to meet your demands with prompt service.






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