How and where to use guide
5.4Mtr X 47 X 125mm C24 Treated Regularised KD Carcassing Timber
Floor joists and structural framing
The 47×125mm profile and C24 strength grade make this timber ideal for floor joists in residential and light commercial buildings. Its load-bearing capacity and stability support safe, long-term performance in structural applications.
- Suitable for domestic floor joists with standard spacing and loading
- Provides reliable support for both timber and composite flooring systems
- Regularised dimensions simplify layout and installation calculations
- Treated finish offers protection in damp environments such as basements or ground floors
Roof battens and roof structures
C24 timber is commonly used for roof battens, purlins, and secondary roof framing. The treated finish provides protection against moisture exposure and weathering in roof applications.
- Suitable for tile battens and slate battens in pitched roof construction
- Provides adequate strength for roof rafter support and bracing
- Pressure-treated finish resists rot and decay in exposed roof environments
- Regularised profile ensures consistent fixing and alignment
Stud walls and partition framing
The 47×125mm size is a standard stud dimension for timber-framed walls. C24 grade provides the strength required for load-bearing and non-load-bearing partitions in residential and commercial buildings.
- Suitable for both external and internal stud walls
- Treated finish offers protection in external applications and damp environments
- Regularised profile simplifies layout and plasterboard fixing
- Adequate strength for standard domestic and light commercial loading
Decking frames and outdoor structures
The pressure-treated finish makes this timber suitable for decking frames, garden structures, and other outdoor applications where exposure to moisture and weathering is expected.
- Treated finish resists rot and decay in outdoor environments
- Suitable for decking joists and structural support in garden buildings
- Regularised profile provides clean lines and easier installation
- Durable choice for structures exposed to rain and ground contact
General construction and repair
Beyond specific applications, C24 carcassing timber is a reliable choice for general structural work, repairs, and extensions where strength and durability are required.
- Suitable for loft conversions, extensions, and structural repairs
- Superior grade reduces defects and provides consistent performance
- Treated finish extends service life in both indoor and outdoor situations
- Meets current building standards for structural timberwork
