What type of wood is commonly used for structural framing in carpentry?

Softwood, particularly species such as pine, fir, and spruce, is commonly used for structural framing in carpentry due to its strength, light weight, and ease of availability. These woods are typically used in the construction of beams, columns, and studs because they provide the necessary structural support while being cost-effective. Softwoods also have good workability, making it easier to cut and shape them during the framing process.

In addition, the growth patterns of softwoods allow for relatively rapid harvesting and replenishment, ensuring a steady supply for the framing industry. This makes them a preferred choice in residential and commercial construction. They also have favorable physical properties, such as an excellent strength-to-weight ratio, making them suitable for various structural applications.

While hardwoods like oak and maple are known for their durability and aesthetic appeal, they are less commonly used in structural framing due to their higher cost and greater weight. Composite materials and bamboo, though strong and suitable for certain applications, do not have the same widespread use as traditional softwoods in general carpentry framing.