Slab is 10 ft deep and about 20 ft long.
Joist Overhang is about 2 ft.
Detached Patio Cover - about 12 ft X 20 ft.
4 X 4 beam Douglas Fir
4 X 4 beam at the wall Douglas Fir
6X2 head board away from the house
would three posts on each side work?
Total six posts on concrete slab...