Fixing and buying guide
3.6Mtr X 47 X 175mm C24 Treated Regularised KD Carcassing Timber
Selecting the right size
This product is supplied at 47 × 175mm cross-section in 3.6 metre lengths. C24 timber is suitable for floor joists, roof battens, stud walls, and decking frames. Check your structural design or building plans to confirm the required dimensions and spacing for your application. The regularised finish means edges are planed smooth, making handling and installation straightforward.
- Cross-section: 47 × 175mm
- Length: 3.6 metres
- Strength grade: C24 (superior to C16)
- Finish: Regularised and kiln-dried (KD)
Pressure treatment and durability
This timber is pressure-treated with preservative to protect against rot, fungal decay, and insect infestation. The treatment provides long-term durability, making it suitable for both internal and external applications. Treated timber can be used in contact with the ground or in damp environments where untreated timber would deteriorate.
- Pressure-treated for rot and decay resistance
- Protects against insect attack
- Suitable for indoor and outdoor use
- Long-lasting performance in demanding environments
Storage and handling
Store treated carcassing timber in a dry location, ideally under cover, to maintain its kiln-dried condition. Avoid prolonged exposure to weather before installation. Handle with care to prevent damage to the planed edges and surfaces. Wear appropriate personal protective equipment when cutting or working with the timber.
- Store under cover in a dry location
- Protect from prolonged weather exposure
- Handle carefully to avoid damage
- Use appropriate PPE when cutting
Fixing and fastening
Use appropriate fixings for your application—typically galvanised or stainless steel nails, screws, or bolts to prevent corrosion and ensure compatibility with treated timber. Ensure fixings are driven straight and fully seated. For structural applications, follow your building design specifications and local building regulations regarding spacing, fixing centres, and load distribution.
- Use corrosion-resistant fixings (galvanised or stainless steel)
- Ensure fixings are fully seated
- Follow structural design specifications
- Comply with local building regulations
Compliance and standards
This C24 Treated Carcassing Timber meets current BS EN standards for strength-graded structural timber. It is suitable for use in structural applications where load-bearing performance and durability are required. Always verify that the timber grade and treatment are appropriate for your specific project requirements.
- Meets BS EN standards for strength-graded timber
- C24 grade provides enhanced load-bearing capacity
- Suitable for structural applications
- Verify suitability for your specific project