If any of these isn t then the roofing nail can back out possibly causing a hole in the shingle.
Roof every nail leaks.
If one has missed the rafters and protrudes into the attic it is a candidate for water damage.
On cold nights in an unheated attic the exposed metal nail can frost up hence the shiner.
Nail holes in a roof can come from nails that have slightly pulled out over time holes that were not covered during a re roof or nails that were pulled out of mounting holes when items like.
And exposed misplaced roofing repair nails should be pulled and the holes patched.
When the weather warms during the day the frost will melt away and begin dripping.
These nails will eventually rust.
This of course can lead to a roof leak.
If the nail is angled too much the nail head will not be flush with the shingle and may eventually back out.
In fact shingle nail pops are one of the most common causes of roof leaks.
A nail pushing through shingles means a broken shingle and the more nail pops the greater the chances of a leaking roof.
Roof nail leaks can happen when roof nails have been loosened slightly from high winds or have simply pulled out over time.
And just one rusted out nail can cause your roof to leak every time it rains.
You might find holes left over from a satellite dish or antenna mounting brackets or just about anything.
Holes in shingles will lead to water damage inside your home.
Not every roofing nail finds its mark.
If shingles get lifted or torn from high winds the damaged shingle exposes nails holding the shingle below it.