Rain gutter spikes or screws should be at least seven inches long and eight is even better.
Screws to replace nails in gutters.
To replace gutter spikes with screws simply remove the old gutter spike and insert the screw through the existing hole in the front of the gutter.
Instead of climbing a ladder and hammering the gutter nails back into place consider replacing these fasteners with a more effective solution gutter screws.
For a tighter hold you ll find that most gutter and downspout screws utilize a hex head which can be slotted or unslotted to allow for flathead screwdriver access.
Step 3 preparations.
Count all gutter nails to get the number of screws required.
Use long gutter screws and rigid metal ferrules to provide a more secure solution which that is stronger than the spike and feral installation method.
These gutter screws are solid and provide a secure mounting of the gutter to the fascia roof joist.
Step 2 purchase needed materials.
Screw the gutter to the fascia.
The ferrul is a bit flimsy in comparison to the screw so is easy to crush if the screw is over torqued.
How to replace gutter nails with gutter screws.
Climb up a ladder to access the roof.
Where gutter nails can come loose over time these will stay put.
Then use a cordless drill to drive the screw into a new hole in the fascia board.
Replacing them with steel gutter screws and rigid plastic ferrules provides a more secure alternative and will prevent them from pulling loose or sagging.
Step 4 remove and replace the nails with screws.
Install one screw every two feet.
Instead replace the spike with a thicker and longer nail or better yet a long screw for maximum hold.