Even if the foundation is not a concern gutters may still be a useful addition to your screened porch if you expect to enter and exit through an outside porch door when it rains.
Add gutter to front porch.
Fill with river rock or gravel and install the channel guard below a gutter downspout to divert water away from the foundation.
There is only one downspout at the front garage corner.
As you step inside the red oak door the stair to the right leads guests up to a 1150 sf of living space that utilizes varied widths of red oak flooring that was harvested from the property and installed by the owner.
I have a gutter going from my garage to my porch.
During heavy rains there is a steady stream of water overflowing near the front porch.
Cut a two inch long notch in the front lip of the gutter with tin snips to join a rain gutter section with an inside or outside corner piece.
Cut a four inch long notch to overlap and splice together gutter sections.