The frame of a sofa, concealed within its upholstery, plays a crucial role in determining its overall structure and longevity. The material and quality of the frame directly impact the durability of the sofa, influencing how long it will last and how well it can withstand regular use.

Typically, sofas are built with solid wood frames, which are known for their high weight-bearing capacity and stability. Solid wood frames are durable and robust, maintaining their quality over time when used correctly. In contrast, frames made from engineered woods like plywood, MDF, or particleboard tend to be more affordable but generally lack the same level of stability and sturdiness as solid wood.

Common Materials for Sofa Frames
Softwood Sofa Frames: Pine, Cedar, and White Ash
Softwoods such as pine and cedar are fast-growing and known for their good structural strength and ease of processing. They are lighter in weight and more affordable, making them ideal for smaller households or budget-friendly options.

Hardwood Sofa Frames: Oak, Cherry, Walnut, Beech, Japanese Walnut, Ash
Hardwoods, compared to softwoods, are typically more resistant to weathering and have better resistance to decay and insect damage. In humid environments like Taiwan, hardwood frames are less likely to warp or develop mold due to moisture. A sofa frame made of hardwood can also offer a longer lifespan when used under normal conditions.

The choice of frame material is key to the sofa's performance, with hardwood frames offering greater longevity, stability, and resistance to the elements. Whether softwood or hardwood, the frame's quality will significantly affect both comfort and durability, ensuring that your sofa serves you for many years to come.

Reference : https://www.pinterest.com/pin/165859198772684920/