General Overview
C24 is a high-quality grade of structural softwood timber commonly used in construction throughout Europe and the UK. It is graded according to the EN 338 standard. Compared to the lower C16 grade, C24 timber is stronger, more stable, and has fewer knots, making it the preferred choice for load-bearing applications.
C24 is a high-quality grade of structural softwood timber commonly used in construction throughout Europe and the UK. It is graded according to the EN 338 standard. Compared to the lower C16 grade, C24 timber is stronger, more stable, and has fewer knots, making it the preferred choice for load-bearing applications.
Key Features & Properties:
- High Load-Bearing Capacity: Offers superior strength for heavy-duty structural tasks.
- Mechanical Grading: Typically kiln-dried and machine-graded to ensure consistent performance and structural integrity.
- Durability: Usually sourced from slow-growing trees in colder climates (e.g., Scandinavia or North-Western Russia), resulting in higher density and tighter grain.
- Stability: Kiln-dried to a moisture content usually below 20%, which reduces the risk of warping, twisting, or shrinking after installation.
Common Applications:
- Roof Joists & Rafters: Ideal for spanning longer distances in roof construction.
- Floor Joists: Used for first-floor and ground-floor joists to provide a stiff, reliable floor.
- Decking Framework: Often used as the sub-frame for decking due to its durability and strength.
- Timber Frame Housing: A primary material for the main structural skeletons of residential buildings.
Technical Specifications (Typical values according to EN 338):
- Bending Strength: 24
- Mean Density: Approx. 420
- Tension Strength Parallel to Grain: 14.5
- Compression Parallel to Grain: 21
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