American Wood Council

For use with the International Code Council’s 2012 International Energy Conservation Code (IECC) or

Wood construction offers distinct design options typically not found in a single structural material

The American Wood Council (AWC) Span Calculator for Wood Joists and Rafters (Span Calc) performs cal

Provides users with a mobile approach to calculating capacities for single bolts, nails, lag screws

The American Wood Council (AWC) Span Calculator for Wood Joists and Rafters (Span Calc) performs cal

For use with the International Code Council’s 2012 International Energy Conservation Code (IECC) or