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5x2 Timber

Our premium 5x2 timber is perfect for structural applications such as framing, joists and general construction. Strong, reliable, and versatile, it's an excellent choice for both indoor and outdoor projects.

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  • C24%2044x120%20Treated%20Main.jpg.jpeg C24%2044x120%20Treated%20TopAngle.jpg.jpeg

    C16 Timber Joists UC3u Treated Kiln Dried Regularised FSC 44 x 120mm (5x2)

    £5.35 - £30.79 per piece (Ex VAT)
    £6.42 - £36.95 per piece (Inc VAT)
    Treated timber is suitable to be used externally and is suitable for wet areas or areas where the timber will be coming into contact with the ground. Examples of treated timber uses are outdoor decking, shed bases, posts, sleepers. Regularised timber has...
    £5.35 - £30.79 per piece (Ex VAT)
    £6.42 - £36.95 per piece (Inc VAT)
  • C24%2044x120%20Main.jpg.jpeg C24%2044x120%20TopAngle.jpg.jpeg

    C16 Timber Joists Untreated Kiln Dried Regularised FSC 44 x 120mm (5x2)

    £4.92 - £28.27 per piece (Ex VAT)
    £5.90 - £33.92 per piece (Inc VAT)
    C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as the wood is slower grown and is also denser. Higher...
    £4.92 - £28.27 per piece (Ex VAT)
    £5.90 - £33.92 per piece (Inc VAT)
  • C24%2044x120%20Main.jpg.jpeg C24%2044x120%20TopAngle.jpg.jpeg

    C16 Timber Joists Kiln Dried Regularised FSC 44 x 120mm (5x2)

    £5.47 - £31.47 per piece (Ex VAT)
    £6.56 - £37.76 per piece (Inc VAT)
    C16 graded carcassing is a structural timber commonly used for stud walls, roof and floor joists, and structural joinery. C16 is normally the grade that is produced from faster grown UK timber. It is machined to have rounded edges, smooth faces, and...
    £5.47 - £31.47 per piece (Ex VAT)
    £6.56 - £37.76 per piece (Inc VAT)

Our range of 5x2 timber is perfect for structural work where extra width is required. Ideal for joists, roofing, and general construction, this size offers excellent strength and versatility for a wide range of projects.

Why choose 5x2 timber?

5x2 timber is commonly used for:

  • Roof joists and rafters
  • Decking frames
  • Floor joists and supports

Its size gives extra stability compared to 4x2 timber, making it a reliable choice for heavier-duty tasks.

What is 5x2 Timber in mm?

5x2 timber is around 47mm x 125mm. This makes it a practical option for builders and DIY enthusiasts who need a sturdy timber for load-bearing applications.

Treated timber for added protection

For outdoor projects or areas exposed to moisture, opt for treated timber; this is pressure-treated to resist rot, decay and insect damage. It’s ideal for decking, garden structures, and any job that needs long-lasting durability.

We stock 5x2 treated timber in a variety of lengths. Whether you’re building a strong frame or upgrading outdoor structures, our timber provides quality, strength, and reliability.

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