Limited Lite - dogwater
V notch beam just where it becomes parallel thickness (2.5"). I tried for about 3/8" but it came out 1/2".  I ended the notch above the bottom flange of the "I".

V notch beam just where it becomes parallel thickness (2.5"). I tried for about 3/8" but it came out 1/2". I ended the notch above the bottom flange of the "I".