C24 Graded Structural Timber

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2.4m x 50 x 47mm C24 Graded Timber

£3.07 Inc VAT

2.4m x 50 x 47mm C24 Graded Timber quantity
3.6m x 100 x 47mm C24 Graded Timber

£8.96 Inc VAT

3.6m x 100 x 47mm C24 Graded Timber quantity
2.4m x 75 x 47mm C24 Graded Timber

£4.49 Inc VAT

2.4m x 75 x 47mm C24 Graded Timber quantity
3.6m x 150 x 47mm C24 Graded Timber

£13.45 Inc VAT

3.6m x 150 x 47mm C24 Graded Timber quantity
4.8m x 100 x 47mm C24 Graded Timber

£11.96 Inc VAT

4.8m x 100 x 47mm C24 Graded Timber quantity
4.8m x 150 x 47mm C24 Graded Timber

£17.93 Inc VAT

4.8m x 150 x 47mm C24 Graded Timber quantity
4.8m x 200 x 47mm C24 Graded Timber

£23.90 Inc VAT

4.8m x 200 x 47mm C24 Graded Timber quantity
3.6m x 200 x 47mm C24 Graded Timber

£17.93 Inc VAT

3.6m x 200 x 47mm C24 Graded Timber quantity

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C24 Building-Grade Timber

Shop C24 graded timber at Clarke Fencing for structural framing and appropriately designed timber construction. Our range includes kiln-dried, pressure-treated softwood in a selection of sections and lengths.

C24 is a recognised structural strength class. Selecting the right timber still requires consideration of the component’s dimensions, span, loading and exposure.

C24 Timber Sizes and Lengths

Our current listings include:

Listed section	Available lengths
50 × 47mm	2.4m
75 × 47mm	2.4m
100 × 47mm	3.6m and 4.8m
150 × 47mm	3.6m and 4.8m
200 × 47mm	3.6m and 4.8m

Listed section

Available lengths

50 × 47mm

2.4m

75 × 47mm

2.4m

100 × 47mm

3.6m and 4.8m

150 × 47mm

3.6m and 4.8m

200 × 47mm

3.6m and 4.8m

Choose the section around the design requirements, rather than selecting solely by the length needed.

Structural Timber for the Right Application

C24 timber can be specified for suitable framing, joists and other structural components. The strength grade does not define the preservative treatment or automatically establish a permissible span.

For outdoor work, check the treatment specification alongside the structural design. Browse our deck framing supplies for associated decking supports and joist protection products.

C24 Timber FAQs

What does C24 mean?

C24 identifies a strength class for structural softwood. It describes defined mechanical properties used when designing timber structures.

What is the difference between C16 and C24?

C24 has higher specified characteristic strength properties than C16. The appropriate grade depends on the design; changing grade alone does not remove the need to check dimensions and spans.

Does C24 mean the timber is pressure treated?

No. Strength grading and preservative treatment are separate. Check the individual listing for the supplied treatment specification.

Can C24 timber be used for decking joists?

It can be used where the section, support spacing, loading and treatment meet the deck design requirements. C24 grading alone does not confirm suitability for every deck.