Snowdon Timber CLS Timber - 4x2

Name: Snowdon Timber CLS Timber - 4x2
Brand: Snowdon Timber
SKU: whdbz4clea
Availability: InStock

Choose stability with Snowdon Timber 4x2 CLS timber. These joists are made from high-quality softw...

Best current price£43.50from B&Q

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B&Q - Untreated 4X2" Cls Timber (T) 38mm (W) 89mm (L) 3.0M

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B&QB&Q - Untreated 4X2" Cls Timber (T) 38mm (W) 89mm (L) 3.0M

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The RangeSnowdon Timber Untreated 4X2 Cls Timber 38X89x3000mm Pack Of 10 - Natural / 1

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Product Information

Full details

The Snowdon Timber 4x2 CLS timber is an ideal choice for DIY enthusiasts and trade professionals looking for reliable, structural-grade softwood for internal framing and construction projects. Providing a perfect balance between the smaller 3x2 and larger 6x2 options, these C16-rated joists offer robust support for stud walls, shelving, and loft conversions. However, users should note that this product is untreated and intended strictly for internal use, meaning it is not suitable for exterior projects exposed to moisture or direct ground contact.

All features

Model Part Number	4x2
Brand	Snowdon Timber

Extended Product Information

FAQs

Is this timber suitable for outdoor decking?

No, this is untreated CLS timber and is strictly intended for internal use. It will rot if exposed to exterior weather conditions.

What does the C16 rating mean?

C16 is a structural grading that ensures the timber meets specific requirements for strength, density, and knot size, making it suitable for load-bearing framing.

Can I use this for ceiling joists?

These can be used for light-duty loft board support, but always consult a structural engineer or building regulations for spans and load-bearing requirements.

Is the timber planed on all four sides?

Yes, CLS timber is planed to provide a smooth, consistent finish on all four sides with rounded corners for comfortable handling.

Do I need to treat this wood before painting?

While not strictly necessary for interior use, applying a wood primer will ensure an even finish if you plan on painting or staining the timber.

Troubleshooting

Timber bowing or warping

Store flat in a climate-controlled environment off the ground to allow airflow on all sides.

Splitting at the ends when screwing

Use a smaller drill bit to create a pilot hole before driving the screw into the end-grain.

Surface feels rough after cutting

Use a fine-grit sandpaper to smooth out any burrs caused by the saw blade.

Pros and Cons

Pros

Uniform and smooth planed finish
Balanced strength-to-weight ratio
Reliable C16 structural grading
Standardized dimensions simplify frame alignment
Cost-effective for large internal projects

Cons

Not pressure treated for outdoor use
Requires interior storage to prevent warping
Sensitive to humidity and damp environments

Setup, Compatibility & Care

To ensure the longevity of your Snowdon Timber, always store the joists in a flat, dry, and well-ventilated indoor area before use. Do not store directly on concrete floors, as the wood may absorb moisture.

Cutting: Use standard woodworking tools; the planed finish allows for clean cuts with circular or hand saws.
Fixing: Compatible with standard wood screws, coach bolts, and framing nails. Always pilot-drill when working near the ends to prevent splitting.
Maintenance: As an untreated product, it should be kept away from water sources. If using in a garage or shed, ensure the structure is fully weather-sealed to prevent rot.