StructSuite
StructSuiteVersion 20260831.2311

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.

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