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About CLS & Studwork Timber

If you’re in the market for premium CLS (Canadian Lumber Standard) studwork timber, you’re in luck! Harlow Bros offers top-quality timber that you can purchase online with ease.

At Harlow Bros, we understand our customers demand nothing but the best, which is why we offer premium quality timber that is strong and durable. Elevate your project with superior CLS studwork timber - order now and get the job done right.

Our CLS Timber Range

We offer a comprehensive array of CLS timber that is perfect for a wide variety of building products.

We only use the finest timber that is sourced from sustainable forests, so you can be confident that you’re choosing an eco-friendly option.

We offer:

  • 50 x 75 mm CLS Studwork Timber C16 Grade
  • 50 x 100 mm Studwork Timber C16 Grade

With structural grading, this studwork timber is a strong and dry type of wood commonly used as an essential element in any building project.

Check Out Our Full Building Grade Timber Range

If you wish to explore our other building grade timber options, you can shop our full collection here:


What is CLS Timber, and what is it used for?

CLS Studwork Timber is a type of timber that has been regularised on all four sides and is typically used in framing walls and roofs.  It is strong, straight, and uniform in size. Ideal for studwork, the eased edges ensure that handling is straightforward whatever your project.

What type of wood is used to make CLS studwork timber?

At Harlow Bros, we prefer high-quality softwoods like spruce wood in our sourced CLS timber products. This type of wood is strong, durable, affordable, and ethically sourced.

How much CLS Studwork Timber do I need for my project?

Calculating how much timber you need for a project can be a complex process. At Harlow Bros, our team of experts is always on hand to help you work out the exact amount of CLS timber you need based on the specifications of your project.