Nails Are Sweating On My New Roof In Attic

Boxes stored in the attic were sometimes wet.

Nails are sweating on my new roof in attic.

My wife ali and i bought an old house 18 months ago. The final step is attic ventilation. During winter conditions attic frost is a problem associated with attic bypasses. Attics with pull down attic stairs should have attic stair insulation covers installed.

A point often overlooked is that since it s winter the water freezes on the cold nails. The soffits work as the intake and roof vents or ridge vents work as the exhaust. The air in the attic has water in it and it condenses on the cold metal. The nails that you see in your attic get as cold as the outdoor temperature.

This is why you see the frost. This exact same process is happening in your attic during extreme cold weather. Condensation is a common sign of inadequate insulation and or ventilation. Sunlight heats the roof which raises the temperature of stagnant air in the attic.

So my roof isn t leaking. At times there was ice and frost on the nails. Heating your home produces warm air that rises and if it seeps into the attic space the frost will melt and appear as condensation. Frost and moisture attic frost.

Condensation in the home a warning sign. Ice frost and water in an attic condensation new construction text. Condensation is usually first noticed on your windows and skylights because they are the most visible areas of your house. When warm air from inside the house escapes traveling up through the bypasses the moisture condenses on the roof boards and rafters where the frost can form.

Last winter i noticed condensation and water droplets on the nails that stick through the roof into the attic. Attics need to have a balanced ventilation system consisting of an intake and an exhaust. Condensation is more apt to occur in climates where the average temperature is 35º f or colder. If you can t identify any exterior damage to your roof or track down a leak the source of your water damage is likely water condensation.