The best solution for controlling moisture is at its source.
Wet nails in attic.
The air in the attic has water in it and it condenses on the cold metal.
I have water dripping from the nails inside of my attic.
I have noticed the last couple of winters that when i bring something down from the attic it has rust spots on it.
Water dripping from roofing nails in attic.
Excessive attic moisture condenses on the cool metal surface of the roofing nails causing corrosion or rust on the nails and stains on the surrounding wood materials.
Ice frost and water in an attic condensation new construction text.
Last winter i noticed condensation and water droplets on the nails that stick through the roof into the attic.
These same condensation points the roofing nails will often map exactly the drip stains found on the attic insulation or attic floor below each nail.
The attic is vented by a ridge vent soffit vents both run the full length of the house and 2 2x3 wall vents.
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.
Attic shingle nails wet condensation looking for list of solutions.
Wet roof on the inside.
A moist attic means moist insulation and moist insulation is less effective.
New decking on it all and dimensional shingles.
Boxes stored in the attic were sometimes wet.
This is why you see the frost.
If the problem is the result of water or moisture penetrating the foundation or floor slab there are many remedial actions which may help.
Make the final repair as soon as weather permits.
Nail drips in attic.
The nails that you see in your attic get as cold as the outdoor temperature.
Wasps are coming through into the house from attic.
At times there was ice and frost on the nails.
I can see the roofing nails that protrude into the attic are dripping wet.
This exact same process is happening in your attic during extreme cold weather.
I had a new roof put on my house 3 years ago.
A point often overlooked is that since it s winter the water freezes on the cold nails.
Repairing a roof leak from the inside is a temporary fix only.