Terms of Use
LintelSpan Table is a reference aid. Span rows, bearing hints, and pass/fail marks are not engineered designs, building-control approval, or a substitute for manufacturer tables stamped for a job.
You remain responsible for checking stock sizes, grades, and loads with a qualified professional before you cut or order timber.
The app is provided as-is. Using it means you accept that the workbook can be wrong for a specific opening.