Best Timber & Sheet Materials — Treated Softwood C24 + Budget (2026)
1 timber & sheet materials matching material “Treated Softwood C24” + price “Budget”, hand-picked from UK Amazon listings.
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This treated softwood C24 timber is a versatile option for various DIY projects around the home. Constructed from durable, pressure-treated softwood, it’s designed to withstand outdoor elements, making it suitable for garden structures, decking repairs, or creating raised beds. The C24 grading indicates a high level of structural strength and resistance to rot and decay, offering long-lasting performance.
This particular stock is sold in manageable lengths, typically available as planks or boards, perfect for straightforward construction tasks. Treated with a protective coating designed to enhance weather resistance, it’s ready to use straight from the packaging – minimal preparation is usually needed. It's a cost-effective choice for smaller projects where robust timber is required.
Please note that while treated for exterior use, regular maintenance (such as occasional re-coating) will significantly extend its lifespan and protect it from prolonged exposure to harsh weather conditions. Always wear appropriate safety gear when handling timber, including gloves and eye protection.
#1 Pick
C24 Sawn Treated Timber Joist 45x95mm 1.2M (4x2 Inch) Pack of 1- Treated Softwood C24
- 45 x 95mm x 1.2m
£13.99
Pros
- C24 structural grade suits load-bearing joist and stud applications
- Pressure treated for decent resistance to rot and insect attack
- Sold as a single length, handy for smaller repair jobs
Cons
- Buying single lengths works out pricier per metre than bulk packs
FAQ
What does ‘C24’ mean?+
‘C24’ refers to the British Standard BS 3610 grading for softwood. It signifies a timber with a high structural strength, designed for use in exterior applications where durability is crucial. The ‘C’ denotes it's suitable for general construction and ‘24’ represents its bending strength.
How do I prepare the timber before using it?+
Due to the treatment, minimal preparation is usually required. However, you should always check for any loose nails or staples, remove any protective film from the coating and lightly sand any rough edges to ensure a smooth finish.
Can I use this timber for decking?+
While suitable for some decking applications, particularly smaller areas or repairs, C24 is generally recommended for raised beds and garden structures rather than high-traffic decking due to its softer nature compared to marine-grade options.
What’s the best way to protect the treated wood?+
Regularly reapply a suitable exterior wood preservative or stain every 12-18 months, depending on exposure. This will maintain the protective coating and prolong the timber's lifespan against weathering and rot.
Is this timber suitable for use in damp conditions?+
Yes, treated softwood C24 is specifically designed to withstand damp conditions. However, it’s still crucial to ensure proper drainage around the structure to prevent prolonged contact with moisture, which can accelerate decay.
What tools will I need for cutting this timber?+
You'll need a saw suitable for softwood, such as a hand saw, jigsaw or circular saw. Safety glasses and gloves are essential when using any power tool.
How should I store the timber before use?+
Store the timber in a dry, well-ventilated area away from direct sunlight and extreme temperatures. This will help maintain its integrity and prevent warping or cracking.
What are the dimensions typically available?+
This C24 softwood is commonly sold as planks measuring approximately 150mm x 25mm, but sizes can vary. It's best to check the specific product details on Amazon for accurate dimensions.
Can I paint or varnish this timber?+
Yes, you can paint or varnish treated softwood C24, however, use exterior-grade paints and varnishes specifically formulated for wood. Ensure the surface is properly prepared before applying any coating.
What’s the difference between C24 and other timber grades?+
Lower grade timbers (e.g., C16) are less durable and not suitable for exterior use. C24 offers a good balance of strength and cost-effectiveness for general outdoor projects, while higher grades like C30 provide even greater durability.