This roof looks like floating since it is only supported by a post and the wall of the house.
Finishing porch roof against wall of house.
If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate.
Try to keep the nails as flush as possible to the edges.
Lay the cut flashing down at the corner over a shingle that is already in place.
Fascia would need to be about 1 2 shorter leaving space for the clapboard.
1 1 2 clearance is good.
And so do the post and the frame of the ceiling.
Nail the flashing securely in place using roofing nails.
The corner cut should be facing upwards.
Gently hammer the 45 degree cut around the corner of the porch roof seam.
You just use a jigsaw to cut a notch in the siding for the kickout.
The tongue and groove ceiling complements the wooden fence very well.
With fibercement you have to leave 2 inches to the roof surface and for wood you should leave about 1 inch.
There should have been a step flashing vertically behind the fascia and on top of the clapboard siding.
A fascia board which is a roofing material that helps compensate when there are inevitable inconsistencies in rafter length will mount on the front and on the sides of your porch roof frame.
The flashing on the wall should be flush against it and the porch roof portion should be on top of the shingles.
Frame your porch roof by continually adding rafters until it extends one foot past your porch walls or support columns.
For any lap or shingle siding the process isn t a problem.
Finishing with vinyl i just j channel 1 in.
In the case of the perpendicular gable the roof rafters are parallel to the wall the rafters that form the wall side gable are flush against the wall and the ridge board at the peak of the roof.
On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.
The ugly part is channeling around the kickout wing.
Similarly the last step flashing on the roof needs to lay on top of the siding then the next row of siding covers it.