What type of construction is most common for single-family dwellings?

Single-family dwellings are most commonly constructed using Type 5 Wood Frame construction. This method is characterized by its use of wood as the primary structural material, which is readily available, cost-effective, and relatively easy to work with. It involves framing the structure with wooden studs, beams, and sheathing, which allows for flexible design options and efficient insulation capabilities.

The popularity of Type 5 construction is further supported by building codes that often favor this method for residential properties due to its affordability and adaptability. Additionally, the lightweight nature of wood framing makes it a preferred choice for individual homeowners and builders alike, allowing for quicker construction timelines.

In contrast, other construction types such as Type 1 Fire Resistive, Type 3 Ordinary, and Type 4 Heavy Timber are typically used in commercial or industrial settings rather than single-family homes, as they focus on different standards of durability, fire resistance, and load-bearing capabilities. While each type has its specific applications based on building requirements, Type 5 remains the standard choice for residential building due to its favorable balance between cost, efficiency, and design options.