null

4x1 Timber

Explore our range of 4x1 timber, perfect for joinery, cladding, and general construction. Whether you’re tackling interior finishes or outdoor projects, timber 4x1 provides strength, stability, and a smooth finish for easy workability.

For projects exposed to moisture or outdoor conditions, choose 4x1 treated timber. This pressure-treated option is designed to resist rot, decay, and insect damage - making it ideal for long-lasting performance.

Select high-quality 4x1 timber you can trust for both professional builds and DIY projects.

Filters

Check local branch stock

  • Green_Pailing-01.jpg.jpeg Green_Pailing-05-sort4.jpg.jpeg

    Rough Sawn Timber UC3u Treated Green Unseasoned FSC 22 x 100mm (4x1)

    £1.90 - £10.93 per piece (Ex VAT)
    £2.28 - £13.12 per piece (Inc VAT)
    Treated timber is suitable to be used externally and is suitable for wet areas, however UC3u treated timber shouldn't be used for in-ground or water contact. Examples of UC3u treated timber uses are outdoor decking, shed bases, posts, sleepers...
    £1.90 - £10.93 per piece (Ex VAT)
    £2.28 - £13.12 per piece (Inc VAT)
  • Green_Pailing-01.jpg.jpeg Green_Pailing-05-sort4.jpg.jpeg

    Rough Sawn Timber Unseasoned FSC 22 x 100mm (4x1)

    £1.55 - £8.94 per piece (Ex VAT)
    £1.86 - £10.73 per piece (Inc VAT)
    Carcassing is a generic trade term term meaning the timber is used to form floors, walls, ceilings and roofs of properties. All our timber has full chain of custody, meaning our timber is sourced responsibly. This timber is kiln dried to minimise...
    £1.55 - £8.94 per piece (Ex VAT)
    £1.86 - £10.73 per piece (Inc VAT)

Our range of 4x1 timber (approx. 19mm x 100mm) is ideal for lightweight construction and finishing work. Commonly used for cladding, shelving, and decorative projects, this size offers flexibility for both DIY and trade professionals.

Why choose 4x1 timber?

4x1 timber is a great choice for projects where a thinner, lighter timber is needed, including:

  • Trim
  • Boxing
  • Fascia boards

    • Its smooth finish makes it easy to paint, stain, or varnish for a professional look.

    4x1 treated timber for extra protection

    For outdoor or damp environments, choose 4x1 treated timber. Pressure-treated to resist rot and decay, this option is ideal for cladding, fencing, and other exterior applications. It provides durability without compromising on appearance.

    Timber 4x1 sizes and options

    We stock timber 4x1 in a variety of lengths to suit different projects. Whether you’re creating shelving, boxing in pipework, or adding finishing details to a build, you’ll find the perfect size in our range.

    Shop our selection of 4x1 timber, including 4x1 treated timber and 4x1 tanalised timber, for reliable, high-quality materials at competitive prices.

    Newsletter Sign Up