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CLS stands for "Canadian Lumber Standard", a strength graded and kiln-dried timber planed to a regular finish on all sides.

We stock treated and untreated whitewood CLS from James Donaldson Timber.

Canadian Lumber Standard Timber


 38mm x 63mm

 38mm x 89mm

 38mm x 138mm

Can't find what you're looking for? Contact GPH today to discuss your requirements and receive the most competitive price in the market.

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CLS Timber

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