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DIY Building Supplies  |  SKU: JS-PCL5010A

4x2 CLS Timber Studwork & Framing 38x89mm - 2.4m


£4.32 Ex VAT
£5.18 Inc VAT
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This 4x2 CLS Timber has a finished size of approximately 38mm x 89m, which has a slightly smaller profile than our 4x2 C24 Timber as it is finished on all sides. It is 2.4m long and ideal for stud walls, partitioning and framing.  

  • For use in stud walls, framing and partitioning applications
  • Regularised on all sides for uniform size, with eased corners
  • Conforms to BS 4978 and EN 14081:2006
  • Kiln Dried for additional strength and durability
  • Sustainably Sourced Timber
  • Not suitable for use in direct ground contact.

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  • Size
    4x2
  • Finished Size
    approx 38mm x 89mm
  • Thickness
    38mm
  • Length
    2.4m
  • Width
    89mm
  • Material
    Untreated Timber
  • Finish
    Untreated
  • Strength Grading
    C16
  • Chain of Custody Scheme
    PEFC / EPD

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What is CLS Timber Used For?

Ever wondered, what is CLS Timber and what do I use it for? C16 Timber is a versatile, structural timber commonly employed in constructing timber-framed homes, typically in stud walling, carcassing, interior framing, and partitioning. Its C16 grade ensures exceptional strength, making it well-suited for various interior construction uses. You will often see it used in creating partitions in new builds or conversions. 

What Does CLS Stand For?

CLS stands for “Canadian Lumber Standard” as it was originally sourced in Canada. Nowadays it is grown and sourced from various countries including grown here in the UK, but CLS is still used as a common name to identify the product. CLS is typically used for structural projects such as stud walls and partitioning, and is regularised on all sides, giving it a smaller profile than standard 3x2 timber by a few millimetres.

Kiln Dried Timber

Kiln-dried timber is wood that has been carefully dried in a controlled environment, typically a large oven or kiln. This process removes excess moisture from the wood, reducing its moisture content to a specific level suitable for various applications. Kiln drying helps to minimize the wood's susceptibility to warping, shrinking, and cracking, while also improving its strength and stability. The controlled drying process ensures that the wood reaches a uniform moisture content throughout, making it more predictable and consistent in its performance. Kiln-dried timber is often preferred for construction, furniture making, and woodworking projects where stability, strength, and dimensional accuracy are important factors.

What is Regularised Timber?

Regularised timber refers to timber that has been processed to achieve consistent dimensions and smooth surfaces. This processing typically involves trimming and planing the wood to standardized sizes and shapes, ensuring uniformity in thickness, width, and length. This often results in the timber being a few mm smaller in width and thickness than their "official" size, but is so minimal that it is likely to have no impact on the large majority of projects.

What Does C16 Stand For?

In the UK, timber is often graded based on it’s type of timber and it’s bend strength -  The "C" represents the type of wood, which in this case is coniferous, and the "16" denotes its bend strength grading - assessed by the presence (or lack of) knots, imperfections and more. We also use C24 timber, which has a higher bend strength for even greater load-bearing projects. 

C16 timber is commonly used in construction for framing and partitioning. It's characterised by its strength and suitability for moderate load-bearing applications. Builders and contractors often utilise C16 timber in projects where a robust yet reasonably priced timber option is required, such as in domestic construction for wall framing, roofing, and general structural support.