Dale
Thanx for the reply.
No, I do communicate so poorly.
It IS a covered patio.
It is not a shed type roof as you show.
It is a pitched roof with a cantilever of 4' off the front.
It will be a total span, from front too back of 15 feet.
It will have a 1' overhang in the rear and a 4' overhang (cantilever) in the front.
It will be supported by four 4x6 threated post. The roof pitch from L to R and R to L has yet too be determined.
I think that two doubled up 2x10's--on each side--will support the roof cantilever, but, I am asking for support of this thinking.
I knew you would know.
Blessings