1.Rafter/Joist Notching & Boring
2" min. D= Depth of joists. Rafter/Joist Notching & Boring. FRM-4. MN-204. 8-30-04. Notches Allowed. within 1/3 Span at. each end. Notches not
2.American Wood Council Span Tables
Span Tables for Joists and Rafters, 1993 Edition (Update Available) provides a simplified system for determining allowable joist and rafter spans for
3.Maximum Span Calculator for Joists & Rafters
Maximum Span Calculator for Joists & Rafters. 4.XX Users - click here Floor Joists, Ceiling Joists, Rafters (Snow Load), Rafters (Roof Live-Load)