As water runs off the roof it can flow over the rear edge of the gutter and the fascia boards.
Bulkhead leaking at top gutter.
How to fix leaky gutters.
Does this sound like a plan that will work.
Repair larger holes using a gutter patch kit or a scrap of metal flashing glued down with sealant.
If water backs up out of the downspout instead of easily draining remove the downspout s base this.
Scrape away loose sealant from the foundation and reseal.
Loose fasteners are one of the causes of leaky gutters.
Assemble the sections of the gutter by connecting the seams together.
If this is just from rainwater running down the bulkhead door and leaking under it once it dries out probably just a bead of long life 20 year silicone or siliconized latex caulk around the mounting flange on the outside will take care of it comes in several colors.
Build up the area around the bulkhead with topsoil to run water away from the area and extend the gutter discharge about 18 away.
I m hoping i can do this from the inside only since digging down that far on the outside will be a huge chore.
A tube of sealant costs about 5.
Cracks and holes are two other common reasons behind gutter leaks.
When a gutter is fastened to a roof with items such as hangers or screws they can pop out of place over time.
Seal leaky gutter joints and small holes using gutter sealant applied from the inside the gutter.
Run water into the gutter at the top of the downspout and watch the drainage at the bottom.