What Does BCSI Mean by Stress-Graded?

Column

What Does BCSI Mean by Stress-Graded?

  • BCSI recommends that lumber used for restraining and bracing trusses be stress-graded.
  • Stress-graded lumber is graded for mechanical properties like strength and stiffness.
  • Stress-graded lumber can be found in visual grades, MSR and MEL grades.
  • AF&PA’s Supplement to the National Design Specification® (NDS®) includes the design values for all commercially available lumber in the U.S.