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Timber Selection for Wall Frames


When it comes to building wall frames, the type and size of timber you choose is important for the strength and stability of your structure. Here are some guidelines to help you make the right selection:

Types of Timber

The most common types of timber used for wall frames are:

  • Pine: A softwood that is easy to work with and cost-effective, but not as strong as some other options.
  • Spruce: Another softwood that is slightly stronger than pine, but still more affordable than hardwoods.
  • Fir: A strong and durable softwood that is more expensive than pine and spruce.
  • Laminated Veneer Lumber (LVL): An engineered wood product made from thin layers of wood veneer that are glued together under high pressure. LVL is stronger and more stable than solid wood, but also more expensive.
  • Glulam: Another engineered wood product made from gluing together layers of lumber. Glulam has excellent strength and can span long distances, but is also more expensive than solid wood.

Which type of timber you choose will depend on your budget, the specific requirements of your project, and the appearance you want to achieve. For example, if cost is a concern, pine or spruce may be a good choice. If strength and stability are a top priority, LVL or glulam may be a better option.

Size of Timber

The size of the timber you choose will also be important for the strength and stability of your wall frame. In general, the larger the timber, the stronger it will be. However, larger timbers can also be more expensive and may not be necessary for smaller projects.

Here are some guidelines for selecting the right size of timber for your wall frame:

  • For load-bearing walls, a minimum size of 90mm x 45mm is usually recommended.
  • For non-load-bearing walls, a minimum size of 70mm x 35mm is usually sufficient.
  • If you are using pine or spruce, you may need to use larger timbers to achieve the same strength as a hardwood or engineered wood product.

It’s always a good idea to consult with a professional or refer to local building codes when selecting the size and type of timber for your project. The team at Newcastle Frame Truss can help you choose the best timber for your wall frame and provide high-quality materials for your construction project.


Builders, engineers and designers alike all agree that floor trusses provide a simple solution to a variety of floor framing issues. For high-quality, strong, durable, noise-free flooring, trusses are the way to go. Want to know more? Contact us at Newcastle Frame and Truss or call on 0437 437 231.

We service Adamstown Heights, Birmingham Gardens, Bar Beach, Broadmeadow, Northern Sydney Newcastle, Callaghan, Hunter Regions, Black Hills, Wyong, Beresfield and surrounding areas.