A double stud wall is a high-performance wall system using two separate stud frames to improve insulation and reduce thermal bridging.

A double stud wall is a wall construction method that uses two parallel stud frames separated by a gap, rather than a single stud assembly. This design creates a much thicker wall cavity, allowing for significantly higher levels of insulation compared to conventional framing.

In construction, double stud walls are commonly used in high-performance, energy-efficient, and passive house projects. The separation between the inner and outer stud walls reduces thermal bridging, which occurs when heat transfers through framing members. This results in improved thermal performance and more consistent interior temperatures.

From a building science perspective, proper moisture management and air sealing are critical when constructing double stud walls. Vapor control layers, insulation type, and detailing around windows and penetrations must be carefully coordinated to prevent condensation issues. When designed and installed correctly, double stud walls offer excellent energy efficiency, sound control, and long-term durability.

Double stud walls are a popular strategy in Passive House construction, helping buildings achieve extremely low heating and cooling demands.

• Cavity Wall
• Cripple Wall
• Curtain Wall