Sketches of Roof Framing Angles
NOTE : DRAWINGS ARE NOT TO SCALE
Major Pitch = 10 ÷ 12       Minor Pitch = 8-1/2 ÷ 12
135° angle viewed in plan between Hip eaves or Valley ridges
Rises are based on a Run = 12"
Definitions Formulas Examples
Framing and Joinery Angle Calculator

Plan Angles or Deck Angles
Backing Angles
Hip-Valley Side Cut Angles
Major Side Jack Rafter meets Hip Rafter
Major Side Jack Purlin meets Hip Rafter

Joe Bartok 1