47mm x 125mm Sawn Treated Timber C16/C24 (5" x 2") 4.8m

URN: 4001199
£15.08ex. VAT £3.14 per Lnm
£15.08ex. VAT £3.14 per Lnm
10+ lengths 20+ lengths 30+ lengths
£14.93ex. VAT £14.78ex. VAT £14.64ex. VAT

Rot, insect infestation and typical grey UK weather don't stand a chance against 4.8m Sawn Treated Timber C16/C24 (5" x 2"). So while we're all busy bemoaning the fact that it's not been as hot and sunny as we'd like, at least we can take solace in the fact that our treated timber won't be having as hard as a time of it as we are. 

If a piece of wood is going to be exposed to the elements, it's a no-brainer that it will require some form of protection. 5x2 treated timber (also referred to as 47x125) is a high-quality pressure-treated C24 graded timber which offers resistance to both insect and fungi attacks. We sell 47x125 timber in various lengths of 2.4m, 3m, 3.6m, 4.8m and 6m - all of which can be cut or sawn to length. 

Nationwide Delivery

Thu 6 Oct

Product Overview

Rot, insect infestation and typical grey UK weather don't stand a chance against 4.8m Sawn Treated Timber C16/C24 (5" x 2"). So while we're all busy bemoaning the fact that it's not been as hot and sunny as we'd like, at least we can take solace in the fact that our treated timber won't be having as hard as a time of it as we are. 

If a piece of wood is going to be exposed to the elements, it's a no-brainer that it will require some form of protection. 5x2 treated timber (also referred to as 47x125) is a high-quality pressure-treated C24 graded timber which offers resistance to both insect and fungi attacks. We sell 47x125 timber in various lengths of 2.4m, 3m, 3.6m, 4.8m and 6m - all of which can be cut or sawn to length. 

47mm x 125mm Sawn Treated Timber C16/C24 (5" x 2") 4.8m

URN: 4001199
£15.08ex. VAT

Delivery Policy

All delivery charges are shown in your basket and are dependent on the total value of the items in your basket. Our standard delivery charges for Instant Purchases are outlined below:

ORDER VALUE DELIVERY CHARGE
Insulation and Plasterboard & Drylining Products
Under £150 £75
Between £150 - £300 £50
Between £300 - £500 £25
Over £500 FREE
Building Material Products
Under £300 £50
Between £300 – £500 £25
Over £500 FREE
SuperFOIL products
Each item £10
Over £350 of these items FREE
Free Delivery Products
All FREE

Note: Values/Charges ex VAT

This charge is based on delivery to England. If your delivery address is in Scotland or Wales, a member of our customer service team will contact you prior to processing your order should an additional delivery charge apply. We do not offer deliveries outside the UK mainland.

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Key Features

Tanalised timber pressure treated with Tanalith 'E' to prevent rot

Kiln dried to improve stability and straightness

Strength graded to C16/C24 for known structural performance

All of our timber is responsibly sourced and FSC certified

Technical Specification

Technical Specification
Thickness:47mm
Width:125mm
Length:4.8m
Sales Unit:Length
Certification:FSC / PEFC

Product Description

5x2 4.8 m C16/C24 Applications


Despite their difference in quality, both C16 and C24 timber will deliver well in most construction projects; while C16 wood is somewhat less durable than C24, it is still sturdy and resilient, making it suitable for strength and load-bearing.

We recommend using the stronger, more dependable C24 timber grade for larger-scale projects (or in applications where strength is critical, such as balconies, terraces, and bridges).

Thanks to the protective treatment of the timber, 47x125 treated timber can be used in many different indoor and outdoor applications such as: 

  • Flooring
  • Roofing - rafters/joists in a loft floor
  • Walling
  • Decking joists
  • Carcassing timber in floor joists
  • Garden furniture and other outdoor projects 


For 5x2 related products and other information click here. For other load-bearing materials, check out our sheet materials here. 

What Does C16/C24 Carcassing Timber Mean?

C24 grade is superior to C16, offering greater strength with more knots and fewer defects. This suits it to tasks which require durability and sturdiness, namely structural applications, such as floor joists or roof battens.

C24 timber is a premium choice that can support higher loads and wider spans. Only good quality timber imported from areas where the weather conditions demand a slower growth rate (and hence a tighter grain) achieves a C24 grade.

Provided it is pressure-treated, C16 timber can be used externally in an outer structure of a building, as well as in decking. C16 graded timber is sturdy enough for most tasks and will satisfy performance requirements at a lower cost than C24 timber.


Sawn Treated Timber C16/C24 (5" x 2") 4.8m Specifications

  • Tanalised timber pressure treated with Tanalith 'E' to prevent rot
  • Kiln dried to improve stability and straightness
  • Strength graded to C16/C24 for known structural performance
  • All of our timber is responsibly sourced and FSC certified
  • Width: 125mm
  • More length options may be available on request


Timber Sizing Explained

Here at Materials Market, all of our timber is treated with preservatives, kiln dried, and then planed on all four sides to achieve smooth, eased edges that make for easy handling. Timber comes in various lengths and sizes, and is regularised to ensure that dimensions are kept consistent within ranges.

With a nominal size of 47mmx125mm, 5x2 timber actually has a finished size of 47mmx120mm, but this difference is so negligible that it is commonly just referred to as 47x125, or 5x2.

For more length options, click here. Longer lengths are also available on request. 


Pressure Treated Timber Benefits

There are several different types of timber available on the market, including treated wood, untreated wood, and sawn carcassing timber. 

Timber is generally in areas that are difficult to access, so using high-quality treated wood for your construction projects is critical. 

We usually have no method of determining whether the structure is being attacked by insects or weakened by damp so it's in your best interest to invest in a timber that will hold its own. 

Let's get into the details and many benefits of treated timber: 

  • It is treated to resist rot, decay and insect attacks
  • The most durable timber option, making it ideal for outdoor use
  • Thanks to its treated nature, treated timber is also low-maintenance
  • You won't have to spend time and money regularly maintaining it


For more timber length options and details, click our Timber category here. Other sizes may be available upon request, so feel free to reach out to our friendly team if you require longer lengths

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