Sagging ridgeline drooping ceilings water leaks on interior walls and ceilings jammed doors cracked interior walls near the center of your home creaking sounds.
Frozen condensation in attic.
The tips of the nails are supposed to penetrate through the wood on your roof.
Noticeable musky damp odor.
The same thing may be happening on the inside of your attic.
Signs of condensation in the attic may include the following.
A point often overlooked is that since it s winter the water freezes on the cold nails.
Traces where water has trickled down the walls.
If there is a condensate trap insulate it or just remove it since it probably just runs outside from an attic space.
Moisture forming on the glass window panes or other flat surfaces.
Well just like any drain line the water should exit the drain and there should be no concern about freezing.
Condensation forms on the outside of the glass where the cold glass is coming into contact with the warm humid air.
The warm moist air trapped inside of your home is coming into contact with the cold wooden surfaces in your attic forming large damaging water droplets.
A tool like this shoots nails through shingles.