2.4m timber may be unavailable in parts of Scotland. If you're in Scotland and need this length, please contact our sales team before ordering. 2.4m lengths are widely available in England & Wales.
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Key Features
{{verified_user}} Strength graded to C16/C24 for known structural performance
{{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
Technical Specification
URN:
4001150
Product:
4" x 2"
Application:
Floor joists, Stud walls, Roof rafters
Material Type:
Softwood
Thickness:
47mm
Width:
100mm
Length:
2.4m
Weight:
5.64kg
Sales Unit:
Length
Sales Unit Coverage:
2.4m
Product Standard:
BS EN 14081
Grade:
C16 / C24 Kiln Dried
Treatment Type:
Tanalith E
Edge:
Eased Edge
Colour:
Natural (varies by treatment batch)
Finish:
Sawn
Product Overview
Sawn treated timber, C16/C24 graded, featuring a 47mm depth, 100mm width, and 2.4m length. This structural softwood is kiln-dried to reduce moisture content and improve stability during installation. The regularised profile provides consistent dimensions and eased edges for safe handling across various building projects.
Designed for load-bearing applications, this timber offers high density and strength suitable for framing, studwork, and structural partitioning. The pressure treatment process forces preservatives deep into the wood fibres to protect against fungal decay and wood-boring insects over the product's lifespan.
The compact span of this piece makes it ideal for upright studs, noggins, and localised framing repairs, minimising offcut waste. The material measures 47mm x 100mm with a length of 2.4m.
Features & Benefits
Strength grading (C16/C24): C16 for standard domestic builds; C24 for higher loads and reduced deflection.
Kiln-dried stability: Reduced moisture content minimises the risk of splitting, warping, or dimensional movement.
Regularised profile: Machine-finished surfaces and eased edges provide uniform dimensions and comfortable manual handling.
Pressure treatment: Deep-penetrating preservative safeguards the timber against fungal decay and wood-boring insects.
Length suitability: The 2.4m length is optimised for standard vertical studwork and restricted workspaces, reducing the need for on-site cutting.
Applications
Internal stud walls: Forms the vertical framework for non-load-bearing and load-bearing partitions.
Floor joists: Provides structural support for localised flooring spans and reinforcements.
Roof construction: Suitable for rafters, structural bracing, and ceiling joist assemblies.
Noggins and blocking: Ideal for horizontal bracing between vertical studs over short distances.
Installation Guidance
Moisture checking: Allow the timber to acclimatise to the environment prior to installation to prevent excessive movement.
Cutting and sealing: Apply an appropriate end-grain preservative to any cross-cuts, notches, or boreholes to maintain protection.
Fixing selection: Use corrosion-resistant nails, screws, or structural brackets to secure the timber firmly in place.
Load distribution: Ensure appropriate spacing between framing components according to structural calculations.
Compliance & Performance
Grading standard: Kiln-dried and strength graded to C24 in accordance with BS EN 14081-1.
Treatment specification: Pressure-treated using a water-based preservative system.
Moisture content: Kiln-dried to a target moisture content of 20% or less prior to treatment.
Important note: Wear appropriate personal protective equipment, including gloves and a dust mask, when cutting or handling treated timber.
Natural variation: Colour and surface appearance vary naturally and by treatment batch.
Moisture disclaimer: Treated 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.
Delivery & Returns Information
Delivery charges vary by product category and order value. Items may ship from different suppliers and arrive separately, so delivery charges can be shown per part of your order at checkout.
Standard (Nationwide) Delivery
Core Products
Core
ORDER VALUE
DELIVERY CHARGE
Under £200
ex. VAT
£15
ex. VAT
Over £200
ex. VAT
FREE
Core Delivery charges apply only when all products in an order that have equivalents are accepted as such. If even one product cannot be substituted with an equivalent, the entire order will not qualify for Core Delivery charges.
Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
ORDER VALUE
DELIVERY CHARGE
Under
£300
£30
ex. VAT
Over
£300
ex. VAT
FREE
Express Delivery
Express Delivery - Timber & Sheet, Building Materials, Joinery and Gardens & Landscaping Products
We work with a nationwide network of trusted suppliers. Items in your basket may be supplied by different suppliers and delivered separately. Where this applies, you will see delivery charges shown at checkout for each part of your order. We always aim to group products from the same supplier to keep delivery costs as low as possible.
Delivery areas
Delivery charges apply to mainland UK, excluding: AB, CA, CF, DD, DG, EH, EX, FK, KA, KW, KY, IV, LA, LD, LL, ML, NP, PA, PH, PL, SA, SY, TR, TQ and TD.
If your address is in one of these areas, we will contact you before processing your order to confirm any additional costs. We do not currently offer delivery outside the UK mainland.
What to expect on delivery day
Deliveries are typically kerbside.
Please ensure someone is on-site to accept delivery. For heavier items, help with offloading may be required.
Many building materials arrive on large vehicles. If access is restricted, a specialist vehicle such as a HIAB may be required and could incur an additional charge.
Why delivery can cost more than typical parcel delivery
Building materials often travel on larger vehicles and usually carry fewer drops per run than parcel networks. That is why delivery charges can be higher than standard e-commerce shipping.
Returns
Returns depend on what you have bought and whether there is anything wrong with it. For full details on eligibility, timeframes, and exclusions, please see our full policy.
Yes, treated 4x2 timber can be used outside above ground. If you cut the timber, you must apply an end-grain preservative to the cut end, or the protection will be compromised and the wood will rot from the inside out.
What length 4x2 do I need for a stud wall?
You should choose a length that allows for a single, continuous piece from the floor to the ceiling to ensure structural integrity. Always buy timber slightly longer than your floor to ceiling measurement to allow for precise trimming to fit.
How do I ensure I am ordering C24? I dont want C16 grade.
The best way to do this, would be to add a note in the "Note for Delivery Driver" section of the order stating that C24 is required. Our team will pick this up and make sure that the order is allocated accordingly.
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