Building lumber is a semi-finished product produced by sawing machines for solid wood sawn timber or solid wood panels. Also known as sawn timber, it is cut into certain sizes according to actual processing needs. Generally used for decorative materials, door and window materials, formwork support in structural construction, and rafters, and can also be used to make furniture from various types of wood.

The uses of construction lumber in construction projects include:

In civil engineering projects, building lumber is commonly used as corrugated wood for concrete formwork, serving to reinforce the formwork.

2. In terms of house decoration, construction lumber is commonly used as wood framing, including for floor decoration, playing a very important role.

3. In terms of architectural construction, ancient builders commonly used wooden beams as columns.

4. In furniture manufacturing, construction lumber is often used as the支柱 for certain furniture pieces, providing excellent support.