Yes you can put gutters up there with out the fascia board the hangers in each rafter tail.
Install gutters without fascia board.
The gutter is then suspended from the roof with this installation a tie back strap should be installed as well.
This page address the installation of gutters with a home that does not have a fascia board to attach the gutter to.
Snap the sections together.
These straps act as a sling for your gutter.
Also use the metal gutter not the vinyl are fiberglass one s they dont hold up to the cold or sun.
It s much easier to join sections on the ground than to work from the top of a ladder.
These are currently the most popular alternatives for installing gutters in properties.
In most cases the roof strap has to be secured right on top of the shingles.
These are attached to the hidden hangers found inside your gutters and then secured directly to your roof.
The roof straps attach to the hidden hanger inside the gutter and secure right into the roof.
If the roof is older it is not wise to try and lift up the shingles to get the strap under because you can damage or break the shingle.
They re fitted to the gutter hanger and then they are attached directly to the roof.
A house without a fascia the piece of wood below the last shingle has to have gutters installed using roof straps.
Alternatives for installing gutters on roofs with no fascia board roof straps.
Roof straps if done by a professional is an efficient way to build a gutter without fascia boards.
A home without fascia needs to have gutters attached by roof straps.
Project step by step 20 cutting the gutter.
But but dont do it.
It dont work to good you need a fascia board there to hold up the back of the gutter.
A professional company has the skills to ensure that any applications involving the roof strap will be invisible.
A professional job should look like the image above with all the straps carefully tucked under the existing shingles.