Product Overview
Sawn pressure-treated timber, measuring 3600mm in length with a 75mm x 100mm (4" x 3") section.
Broad profile provides a stable fixing surface for structural applications in general construction, floor joists, and heavy-duty framing support. This product is kiln-dried prior to treatment to ensure dimensional stability and consistent preservative penetration, providing reliable performance in external environments.
Features & Benefits
- Pressure treatment: Helps extend service life in outdoor or damp conditions.
- Square-cut edges: Consistent profile for tight fixing and alignment.
- Natural timber appearance: Suitable for both construction and landscaping contexts.
- Workable softwood: Easy to cut, drill, and fix using standard tools.
- Engineered construction: Features finger-joints with high-strength glue lines that are stronger than the timber itself.
- Defect-free finish: Engineered process removes knots and natural defects for consistent quality.
- Enhanced strength: Up to 60% stronger than solid timber alternatives.
- Kiln-dried and treated: Dried for stability and pressure-treated with Tanalith E for enhanced durability.
- Length 3600mm: Reduces the number of joints in extended runs.
- Section 75mm x 100mm (4" x 3"): Heavy-duty profile provides a stable structural base for versatile use.
Applications
- Structural framing support: Provides a high-strength base for floor joists, roof joists, and primary load-bearing frameworks.
- Heavy-duty construction: Suitable for large-scale external builds, decking sub-frames, and outdoor structures.
- Construction detailing: Robust enough for heavy-duty stud work and primary structural support in outbuildings.
Installation Guidance
- Set out timbers evenly: Ensures consistent load distribution and prevents material warping.
- Use galvanised or stainless fixings: Protects against corrosion and prolongs service life outdoors.
- Maintain ventilation gaps: Supports insulation performance and prevents trapped moisture behind structural cladding.
- End-grain protection: Seal all cut ends and notches with a suitable end-grain preservative product to maintain treatment integrity.
Compliance & Performance
- Preservative treatment: Pressure treated with Tanalith E for durability and resistance to fungal decay and insect attack.
- Service conditions: Intended for use above ground, where timber may be subject to occasional moisture but not constant wetting or ground contact.
- Dimensional tolerance: Finished sizes typically arrive slightly under nominal, often around 2mm less in thickness and 5mm less in width.
- Natural variation: Colour and surface appearance vary naturally and by treatment batch.
- Moisture disclaimer: Timber is often stored outside and if it has recently been raining then the timber may arrive wet; this does not affect the integrity of the timber.
- Important note: Colour and finish may vary from green to brown depending on the treatment process; this product is C24 graded and suitable for structural applications.