Originally Posted by itselliott
RE : the max height.
On investigating that , I discovered that it is actually the average height of the roof. Ridge height + wall height, divide by 2. That's how I got what I did .
Tab, square box in the middle is an attic or storage truss.
I've heard some places allow that type of calculation, I need to check with the building inspector, he told me 20ft to the peak, I believe.
Here's a quick sketchup of my thought, this is 30x50x12