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.
Exposed nails in attic.
What should you do about exposed nail heads.
In the worst case it will lead to actual leaks in your attic and this in turn can lead to moist insulation mold problems and other water damage.
I would recommend doing this on a sunny day and after exposed to sun for a few hours.
Make sure the shingle has the proper number of nails in it also.
The shingles are no longer shingles so i m recommending a tear off.
Exposed roofing nails in attic dripping post by tnaval fri dec 29 2017 8 29 pm besides a table saw and a chop saw i used for a couple hours and my body heat.
A 10 length of each costs only 4 76.
But that rarely happens.
There are no exposed nail tips in coming through the roof decking in pic1.
Desperately enough in fact to consider making the major step of pulling down ceiling drywall to expose joists above.
Remove nail lift shingle and apply a small dab where nail penetrated shingle then push the overlapping shingle down and your done.
That should not only protect you but insulate the attic against the hot and cold.
The exposed beam ceiling look is one that many owners of conventional flat ceilings desperately want.
This is from a 40 year single family today.
Tear off or not it is a lousy job in my opinion.
Fill small nail holes with silicone caulk or roof cement.
Unless you live in your attic the protruding nail heads shouldn t be a problem.
Something caught my attention in the attic.
As you can see in pic 2 they drove screws through at rafter intersections only.
Stately attractive and open.
Just make sure that you don t damage the shingles lifting them up.
Cut the tubing into pieces about 3 8 to 1 2 long depending on length of exposed nails in your attic then push a piece of tubing onto each nail point.
If you use your attic for storage and need protection buy an insulating foam and have it sprayed against the walls.