This 75x200mm high-quality construction timber is regularised to give consistent dimensions by planing all around with 'eased' (rounded) corners for comfortable handling.

Regularised softwood carcassing timber finishes 2mm off-nominal thickness and 5mm off-nominal width so the finished size will be approximately 73mm x 190mm, just under 8x3 Inches.

It is Untreated and stress graded to C24 for strength, this timber would normally be used where it will not be subject to wetting or moisture such as in a roof as a rafter or on a floor as a joist.

We also have a range of  C24 Treated Joists available


Arranwood
Timber
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Arranwood

C24 Timber Joist 75x200mm (8x3 Inch)

£26.00
C24 structural timber joist, planed and regularised for consistent sizing. Finished size approx. 72x195mm.

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This 75x200mm high-quality construction timber is regularised to give consistent dimensions by planing all around with 'eased' (rounded) corners for comfortable handling.

Regularised softwood carcassing timber finishes 2mm off-nominal thickness and 5mm off-nominal width so the finished size will be approximately 73mm x 190mm, just under 8x3 Inches.

It is Untreated and stress graded to C24 for strength, this timber would normally be used where it will not be subject to wetting or moisture such as in a roof as a rafter or on a floor as a joist.

We also have a range of  C24 Treated Joists available


Description

 

This 75x200mm high-quality construction timber is regularised to give consistent dimensions by planing all around with 'eased' (rounded) corners for comfortable handling.

Regularised softwood carcassing timber finishes 2mm off-nominal thickness and 5mm off-nominal width so the finished size will be approximately 73mm x 190mm, just under 8x3 Inches.

It is Untreated and stress graded to C24 for strength, this timber would normally be used where it will not be subject to wetting or moisture such as in a roof as a rafter or on a floor as a joist.

We also have a range of  C24 Treated Joists available


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Regularised for Accurate Framing

This joist is machined to a consistent section so your set-out stays true across the run. Regularised timber helps keep joist centres, hangers, and noggins aligned without constant trimming. It also supports cleaner boarding and reduced rocking in floor decks.
The eased corners reduce sharp edges and help prevent splintering during handling. A planed surface can also make marking, drilling, and fixing more predictable. When you are working to tight tolerances, consistency saves time.

C24 Strength for Structural Loads

C24 is a higher strength class used where performance matters, such as long spans or higher loading. It is commonly specified for joists and rafters in domestic and light commercial builds. The strength class is defined under BS EN 338, supporting clearer specification and compliance.

Best Use in Dry, Protected Areas

This joist is suited to internal structures or covered build-ups where timber is not exposed to persistent wetting. Use it in floors, roofs, and studwork that remain protected once the building is sealed. If your design includes wet exposure, specify the correct treatment and service class to match the risk.

Size, Coverage, and Take-Offs

Although sold as 75x200mm, the finished section is typically about 72mm x 195mm once planed and regularised. For estimating, each linear metre provides about 0.195m² of face coverage on the 195mm side. That helps when pricing boarding, membranes, or surface build-ups linked to joist runs.

Reliable Handling on Site

A planed finish gives a smoother surface that is easier to lift, stack, and fix. Regular dimensions improve compatibility with metal connectors, joist hangers, and standard fixing patterns. It also supports straighter lines when boxing in, lining, or fitting services through the structure.

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C24 Timber Joist 75x200mm (8x3 Inch) - Armstrong Cheshire
Arranwood

C24 Timber Joist 75x200mm (8x3 Inch)

From £26.00

 

This 75x200mm high-quality construction timber is regularised to give consistent dimensions by planing all around with 'eased' (rounded) corners for comfortable handling.

Regularised softwood carcassing timber finishes 2mm off-nominal thickness and 5mm off-nominal width so the finished size will be approximately 73mm x 190mm, just under 8x3 Inches.

It is Untreated and stress graded to C24 for strength, this timber would normally be used where it will not be subject to wetting or moisture such as in a roof as a rafter or on a floor as a joist.

We also have a range of  C24 Treated Joists available


Length

  • 1.0m
  • 1.2m
  • 1.5m
  • 1.8m
  • 2.4m
  • 3.6m
  • 5.4m
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