2×6 Floor Joist Spacing: 12″, 16″ & 24″ O.C. Guide
The correct 2×6 floor joist spacing depends on the joist span, lumber species, grade, floor loads, subfloor system, and applicable building requirements. In U.S. residential construction, common floor-joist layouts include 12″, 16″, and 24″ on center (O.C.). However, these spacings are not interchangeable. Increasing the distance between joists increases the amount of floor area—and therefore […]

