The windward side of my shingled barn roof gets occasional drips on some nails, from wind driven rain.
When water is in there and freezes, it expands and that makes leaks progressively worse over time.
Replacing a roof is expensive enough, without having to do it prematurely.
When water is in there and freezes, it expands and that makes leaks progressively worse over time.
Replacing a roof is expensive enough, without having to do it prematurely.