Treated Structural Timber – 47 mm × 150 mm (approx. 6″ × 2″), 2.4 m
This 47 × 150 mm treated softwood timber, graded C24, is preservative-treated, kiln-dried, and regularised (planed with eased edges) to deliver a strong, stable, and durable board for structural applications. The substantial 6″ × 2″ profile offers enhanced strength and load-bearing capacity, making it suitable for heavy-duty framing, joists, roof supports, decking sub-frames, and structural builds in domestic or light-commercial construction. The preservative treatment protects against rot, fungal decay, and insect damage, ensuring long-term performance — particularly in structures that may be exposed to damp conditions or varying weather (when used above ground or appropriately protected). The planed finish ensures straight, uniform timber that is easy to cut, fix, and finish on-site.
Key Specifications:
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Section size: 47 mm × 150 mm (nominal)
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Length: 2.4 m
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Structural Grade: C24
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Treatment: Pressure-treated for rot, decay, and insect resistance
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Finish: Kiln-dried, planed and regularised with eased edges
Features & Benefits:
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High-strength structural grade timber for reliable load-bearing performance
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Large cross-section (150 mm width) for increased rigidity and support under load
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Preservative treatment extends lifespan and resists decay, rot and insect attack
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Kiln-drying and regularisation reduce risk of warping or splitting, ensuring straight, stable timber
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Planed, smooth finish with eased edges for easier handling, cutting, fixing and a cleaner finish
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Versatile and suitable for a wide range of structural and heavy-duty building applications
Typical Applications:
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Floor joists, ceiling joists, and roof rafters
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Structural framing for walls, load-bearing studs, and partitions
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Decking sub-frames and outdoor structural supports (above ground or covered)
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Garden buildings, sheds, garages or outbuildings
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Heavy-duty frames, beams, and structural carpentry
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Renovations, extensions, and other construction requiring robust treated timber








