The fascia board where the eavestroughs would mount is not vertical it s at a 90 degree angle with the pitch of the roof and the pitch is quite steep can t stand on the roof unless your barefoot or wear sneakers with a good grip.
Installing gutters on angled fascia boards.
How to deal with angled fascia boards by installing gutter wedges.
This is done with the use of gutter wedges sometimes called gutter shims they are attached to the back of the gutter and are cut to the degree of the roof slope.
Over time these boards may start to rot or need to be replaced due to damage.
Fascia soffit installation instructions 2 3 4 5a 5c 6 7 fascia for installations without soffit 1 nail undersill trim or drip edge in place along the top of the fascia board.
Set the angle of the circular saw blade to match the slope of your roof and run the saw along the top edge of each fascia board.
Fascia boards are found around the edges of your roof and usually support your home s rain gutter system.
But they re often a pia because the hanger screws will want to walk down the fascia instead of biting in.
Making the tops of your fascia boards the same angle as the roof allows you to easily place roofing material over them without creating bumps or ridges.
2 hook the bottom of the fascia panel under the bottom of the fascia board.
Installing on a slanted raked fascia.
Gutters installed on an angled fascia board should be installed as level as possible.
You can pre drill to avoid this or use the strap type hangers.
Rip the tops of the fascia boards to match the slope of your roof.
Gutters that are too high can enable runoff water to drip down their back side which in turn can cause deteriorating fascia boards and stains on siding.
Best method for installing gutter on angled fascia board.
I would say the fascia board is close to a 45 degree angle off vertical.
Too big of a fascia will obstruct the windows.
A fascia board can be added but will need to be angled cut to follow the pitch or it will dissappear cuz of the pitch.
As pointed out gutter wedges can be used.