Fill small nail holes with silicone caulk or roof cement.
Hole in roof from inside.
Water tends to follow along roof rafters or roof decking.
You might find holes left over from a satellite dish or antenna mounting brackets or just about anything.
Walk carefully on the ceiling joists in the attic or use a sheet of plywood to walk on so you will not accidentally put a hole in the ceiling panel.
Make a temporary leak patch.
Once the roof patch has dried use caulking to cover the edges and any holes that appear.
You can use your finger to make sure you get the caulking spread around to the entire area.
Smaller nail holes will be permanently fixed by this method standard roofing nails would be either 3 8 inch or 1 2 inch making a hole.
Make the final repair as soon as weather permits.
For those who have wondered how to fix a leaking roof from the inside you will see it s fairly simple.
And exposed misplaced roofing repair nails should be pulled and the holes patched.
Hold it against the inside of the plywood by pulling up through the hole while driving deck screws through the roof and into the brace.
Repairing a roof leak from the inside is a temporary fix only.
Use a jigsaw to cut a rounded shape from the plywood to the exact size of the hole.
Use a putty knife to spread the tar into the leaking hole on the inside of your roof.