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What is CLS Timber?

Published in Building materials 2 mins read

CLS timber stands for Canadian Lumber Standard, a type of softwood timber commonly used in construction. It's typically made from kiln-dried woods like pine, fir, or spruce.

Key Characteristics of CLS Timber:

  • Origin: Originally manufactured in Canada, though now produced globally.
  • Material: Usually softwood, such as pine, fir, or spruce.
  • Treatment: Kiln-dried to reduce moisture content, which minimizes warping and shrinkage.
  • Application: Ideal for building strong and durable timber frames, partition walls, and internal structures in construction.
  • Features: Often planed with rounded edges for ease of handling and safety.

Benefits of Using CLS Timber:

  • Strength and Durability: Provides a robust framework for various construction projects.
  • Stability: Kiln-drying enhances dimensional stability, reducing the risk of twisting or bowing.
  • Workability: Relatively easy to cut, shape, and fasten, making it user-friendly.
  • Cost-Effective: A generally affordable option for timber framing.
  • Versatility: Suitable for a range of internal structural applications.

Common Uses for CLS Timber:

  • Internal Wall Framing: Constructing stud walls in homes and buildings.
  • Partitions: Creating dividing walls within a space.
  • Timber Framing: Forming the structural skeleton of buildings.
  • General Construction: Used in various building and DIY projects.

In summary, CLS timber is a versatile and reliable softwood, typically kiln-dried, that provides a strong and stable framework for many construction needs, particularly for internal structures.

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