Irregular Hip Roof Framing Geometry

Corner layout footprint of the irregular hip on a 6 12 8 12 combination.

Irregular hip roof framing geometry.

Irregular hip roof valley rafter framing irregular hip roof valley rafter framing with a plan angle greater than 90 is probably as tough as it gets for stick framed roofs. Download irregular hip rafter geometry dxf. View the irregular hip roof valley rafter framing blog for how to layout the hip rafter backing depth mark and the hip rafter side cut mark for hip rafter side cut angles. How to precisely layout an irregular pitch hip rafter.

The hip is 5 thick. Helping apprentice carpenters on their journey to becoming master carpenters. View the hip rafter roof plane alignment blog for more examples of the hip rafter plumb mark line shift on equal. Holy grail of roof framing geometry trigonometry book i book ii.

These roof framing books were written to make complex roof framing simple. Rafter tools for android with quad tetrahedra analytic algorithm technology. We ll use the 12 as the rotation point on the framing square and move the other end of the framing square to the edge of the hip rafter material using the 6 rotation dimension. It s easy to get the valley rafter angles but applying the roof framing angles to the actual valley rafter material is tricky.

If an irregular h v is placed so that it planes with the two pitches w o backing it it cannot be split equally from. Home forum trade talk carpentry framing irregular roof geometry challenge irregular roof geometry challenge. Next click on the hip angles button and then click on the hip valley rafter slope angle text. Holy grail of roof framing geometry trigonometry book i book ii.