A big nail that goes through the gutter and mounts into the rafters of the fascia board.
Gutter nails loose.
You may have to temporarily remove your hangers as you go or you can notch out the apron around them.
Gutter spikes are often referred to as gutter nails or gutter screws but they are all basically the same thing.
Replacing them with steel gutter screws and rigid plastic ferrules provides a more secure alternative and will prevent them from pulling loose or sagging.
However these fasteners can come loose from their respective locations and cause the gutters to hang away from the roof.
The good thing about loose gutter spikes is that you can see them from the ground.
Home centers sell a gutter apron in 10 ft.
This causes water to leak into the exterior walls of the home.
This scenario usually happens during heavy rainfall.
If your gutters use long spikes or nails that go through the front of the gutter replace them with threaded spikes for a more secure fit.
The advantage of screws vs nails is that screws are much stronger because of the threads and are much better at not allowing the gutter to move as much depending on the weather.
Gutter nails secure the gutter to the side of the roof or the fascia.
If you have u shaped brackets holding your gutter from underneath change out the ones that are broken or loose.