StructSuite
StructSuiteVersion 20260715.1228

Floor/Ceiling Joist & Rafter

Prescriptive span tables for floor joists, ceiling joists, and rafters per 2024 IBC Chapter 23 (Tables 2308.8 and 2308.11), plus Trus Joist® TJI® engineered I-joist spans. Allowable spans by species, grade, size, spacing, and loading.

Use StructSuite to design structural elements per NDS, ACI 318, ASCE 7, and SDPWS. Build your calculation report on the main dashboard.