What type of wall does Type O masonry refer to?

Type O masonry refers specifically to non-load bearing partitions. These partitions are used to divide spaces within a structure but do not support any significant structural loads or contribute to the load-bearing capacity of the building. This distinction is important in masonry construction because it informs how these walls can be designed and constructed.

Non-load bearing partitions are typically lighter and can be made from various materials such as brick, block, or even drywall, depending on the design requirements. They are primarily used for separating interior spaces while allowing for flexibility in layout and design without the need for heavy structural support.

Understanding the role of non-load bearing walls is crucial for those involved in masonry and construction, as it impacts compliance with building codes, structural integrity, and architectural design. Load-bearing walls, on the other hand, are crucial for supporting the building's structure, and retaining walls are designed to hold back soil, which are not relevant to Type O masonry. By focusing on Type O as non-load bearing partitions, it emphasizes the importance of knowing wall types and their respective functions in building design.