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8x3 Timber

Our sturdy 8x3 timber is ideal for heavy structural applications, including joists, beams, and robust framing. Known for its strength and reliability, it's suitable for both indoor and outdoor projects that demand durable support.

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  • C24%2070x195%20Main.jpg.jpeg C24%2070x195%20Top.jpg.jpeg

    C24 Timber Joists Untreated Kiln Dried Regularised PEFC 75 x 200mm (8x3)

    £12.86 - £73.93 per piece (Ex VAT)
    £15.43 - £88.72 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...
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    C24 Timber Joists UC2 Treated Kiln Dried Regularised FSC 75 x 200mm (8x3)

    £13.84 - £79.60 per piece (Ex VAT)
    £16.61 - £95.52 per piece (Inc VAT)
    Imported Treated C16/C24 Graded KD Timber Regularised Carcassing is a high-quality imported whitewood that's commonly used for interior construction i.e., stud walls, roof, and floor joists. C16 and C24 are strength grades; the higher the grade, the...
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    C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC 75 x 200mm (8x3)

    £13.84 - £79.60 per piece (Ex VAT)
    £16.61 - £95.52 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...
  • C24%2070x195%20Main.jpg.jpeg C24%2070x195%20Top%20Angle.jpg.jpeg

    C24 Timber Joists Untreated Kiln Dried Regularised FSC 75 x 200mm (8x3)

    £12.86 - £73.93 per piece (Ex VAT)
    £15.43 - £88.72 per piece (Inc VAT)
    It is machined to have rounded edges, smooth faces, and sides, for a more uniform piece of timber. It is kiln dried to minimise moisture content and improve strength and stability. The finished size you will receive is 70mm x 195mm. C16 and C24 are...
  • C24%2070x195%20Main.jpg.jpeg C24%2070x195%20Top%20Angle.jpg.jpeg

    C16 Timber Joists Untreated Kiln Dried Regularised FSC 72 x 195mm (8x3)

    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...
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    C16 Timber Joists UC3u Treated Kiln Dried Regularised FSC 75 x 200mm (8x3)

    These C16 carcassing timber lengths are UC3u treated timber, meaning they perfect for outdoor use providing it is above ground. Carcassing is a generic trade term which refers to the use of a species of timber. Spruce/Pine and Fir are used to form...

Perfect for professional builders and DIY enthusiasts alike, this timber size ensures long-lasting performance in a variety of construction tasks.

Why choose 8x3 timber?

8x3 treated timber is known for its strength and reliability, so it is ideal for heavy structural applications, including joists, beams, and robust framing. As it's pressure treated, it's suitable for both indoor and outdoor projects that demand durable support.

Sizes and options

We stock 8x3 timber in a variety of lengths to suit your project needs, including premium C24 grades. Shop our full range for reliable, long-lasting construction materials.