What is the common spacing for trusses on center in light frame construction?

In light frame construction, the common spacing for trusses on center is typically 24 inches. This spacing allows for efficient material usage while providing adequate support and structural integrity for roofing systems. Trusses at this distance are designed to efficiently handle various loads such as roofing materials, potential snow loads, and other environmental factors without compromising the overall strength of the structure.

The 24-inch spacing also aligns well with other building components, such as wall framing, which is commonly set at 24 inches on center for similar reasons of efficiency, material conservation, and ease of installation. This coordination simplifies the construction process, allowing for more seamless integration between different elements of the building.

Trusses spaced any closer, such as 16 inches, may lead to unnecessary material costs and increased labor, while wider spacing, like 30 inches, could compromise the ability to support heavier roofing systems effectively, potentially leading to structural issues. Thus, the 24-inch spacing serves as a balanced approach in light frame construction.