Frost In Attic North Side

When a warm sunny day arrives after a long cold stretch and it seems like you have a roof leak when there isn t a cloud in the sky it s probably attic icing otherwise known as ice dams or ice damming and the surprising thing is that it s very unlikely that the roof covering itself is the problem.

Frost in attic north side. Water or drip marks scattered on the attic floor. Frost in attic north side. What causes this type of moisture problem in the attic. You can t fully eliminate that moisture but you can try to limit it.

We have a 20 year old two story house with a full basement. When the moisture gets into the attic it condenses on the roof. Frost accumulates in attics when moisture laden air from the house gets up there when it s cold. The insulation wasn t great.

How does condensation get in the attic. We discovered that the two underpowered bathroom fans were venting on top of the soffit that had perforations. But anything more than an occasional patch is. That s about it pretty simple.

Moisture or frost on the roofs sheathing. Moist or wet insulation. When the outside temperature rises again the frost thaws water collects and can leak into. Obviously the frost is caused by moisture in the attic air.

In cool months the north side of the roof boards in the attic would be covered with water frost or even ice. There is no snow on the roof. Upon inspection of the attic the entire north face of the attic had frost on the nails poking through and most of the decking boards. Our dryer vents up through the attic to the roof.

Left unchecked frost in an attic can lead to serious mold and decay. The frost is on the north side since the south side receives more sunlight over the course of the day during winter in the northern hemisphere. As to the frost there are a few things you can check. 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.

During winter conditions attic frost is a problem associated with attic bypasses. When the weather warms up the frost will become water droplets and evaporate harmlessly. The worst frost was on the other side though. A patch of frost here and there on the tips of roofing nails poking through the sheathing for instance probably isn t a cause for alarm.

Buckled or damaged roof sheathing.