75mm x 225mm Sawn Treated Timber C24 (9" x 3") 6m
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Product Overview
Delivery & Returns Information
How Our Delivery Works
We work with a nationwide network of trusted suppliers. As a result, items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you'll see multiple delivery charges at checkout. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery Areas & Charges
Delivery charges listed on our website apply to mainland UK, excluding the following postcode areas: AB, CF, DD, DG, FK, KW, IV, LA, LD, LL, NP, PA, PH, SA, SY
If your delivery address falls within one of these postcode areas, we’ll be in touch before processing your order to confirm any additional delivery costs.
Please note: We do not currently offer delivery outside the UK mainland.
Standard (Nationwide) Delivery
| Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £100 | £15 ex. VAT |
| Between £100 - £300 ex. VAT | £10 ex. VAT |
| Over £300 ex. VAT | FREE |
| Insulation, Plasterboard and Drylining Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £350 | £35 ex. VAT |
| Over £350 ex. VAT | FREE |
| Screws & Fixings and Adhesives & Sealants | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £50 | £5 ex. VAT |
| Over £50 ex. VAT | FREE |
Express Delivery
| Express Delivery - Insulation and Plasterboard & Drylining | |
|---|---|
| ORDER VALUE | DELIVERY CHARGE |
| Under £400 | £50 ex. VAT |
| Over £400 ex. VAT | £35 ex. VAT |
| Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products | |
| ORDER VALUE | DELIVERY CHARGE |
| Under £300 | £50 ex. VAT |
| Over £300 ex. VAT | £35 ex. VAT |
Returns
We offer a 30 day returns policy on any faulty products.
Key Features
- {{verified_user}} Graded to C24 standard - excellent tensile strength
- {{rounded_corner}} Regularised with an eased edge
- {{water_drop}} Tanalised timber pressure treated with Tanalith 'E' to prevent rot
- {{dry}} Kiln dried to improve stability and straightness
Technical Specification
| Product: | 9" x 3" |
|---|---|
| Thickness: | 75mm |
| Width: | 225mm |
| Length: | 6m |
| Sales Unit: | Length |
| Sales Unit Coverage: | 6m |
| Grade: | C24 |
Product Overview
C24 strength-graded structural softwood, kiln-dried, regularised, and treated for demanding applications in floors, roofs, and primary beams.
225mm width in a 6m length provides heavy-duty beam performance in floors and roofs, while the 75mm thickness offers a broad bearing face for connectors and hangers, reducing bounce and deflection across expansive spans.
Features & Benefits
- Strength grading (C24): Higher density and stiffness than C16, suitable for demanding load-bearing roles.
- Factory applied preservative treatment: Protects timber in typical above-ground conditions when installed properly.
- Kiln-dried & regularised: Helps control shrinkage and ensures even sizing for accurate work.
- Eased edges: Safer handling and a cleaner finish with reduced splinter risk.
- Sawn face texture: Provides a stable key for membranes, adhesives, and coatings.
- Easy to work: Accepts nails, screws, bolts, and hangers; generous section helps avoid splitting near fixings.
- Length - 6m: Provides maximum coverage and stability across expansive spans.
- 225mm width: Extra-deep section with broad 75mm bearing face, enhancing stiffness and load capacity for very wide spans.
- Section size - 75mm x 225mm (9" x 3"): Heavy-duty carcassing section for strength-critical wide spans.
Please Note:
- Finished sizes may arrive slightly under nominal (around 2mm less in thickness and 5mm less in width). Colour and finish vary naturally. Seal all cut ends and notches with end-grain preservative. Confirm span suitability before use.
- Timber may be supplied with engineered finger-joints. Engineered timber has a glue line that is stronger than the timber itself; it also has all defects and knots removed. This makes engineered timber 60% stronger than its solid timber alternatives.
Applications
- Primary beams and trimmers: Extra-deep section with wide 75mm face improves bearing and stiffness in major load paths.
- Roof members: Suitable for rafters, purlins, and joists in wide-span or load-heavy roofs.
- Decking subframes: Provides reliable support for expansive or commercial decking subject to high foot traffic.
- Structural framing and lintels: Robust section where deflection control and connection capacity are critical.
Installation Guidance
- Respect span limits: Only use within the limits of the specified grade.
- Use rated fixings/connectors: Exterior-grade, corrosion-resistant hangers/bolts compatible with treated timber.
- Re-seal all worked areas: End-grain treatment maintains protection.
Compliance & Performance
- Strength grading: C24 to BS EN 14081 / EN 338.
- Service conditions: Suitable for dry internal or covered external use (above ground).
Related Articles
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C16 vs C24 – What’s The Difference?
