Condensation In Attic During Winter

The reason is that during the winter fans such as the one in your bathroom would send air saturated with moisture into the attic directly onto frigid roof boards.

Condensation in attic during winter. Warm and humid attic air combined with cold outside temperatures leads to condensation which can form on any cold wood surfaces metal nail heads chimney surfaces ventilation pipes and even in the insulation. Many people run humidifiers in their home during the winter if they feel the air is dry. This can result in mold rust and deterioration of wood and structural fasteners. Attic condensation the conditions that cause ice dams often cause attic condensation too.

Mould is caused by moisture that condenses on the cold hatch surface during winter. Attic condensation generally happens during winter spring months when warm moist air from the main living area rises into the attic space. And the same factors that cause attic condensation problems also cause ice build up on roof edges which can lead to ice damming. If you have a roof leak in the winter months and it s not being caused by ice dam there may be another culprit.

Condensation on your ceiling can cause water damage and promote the growth of mold or mildew. In summer when the air conditioning is on the reverse happens. As the moisture migrates upwards to the colder attic areas during the winter months the relative humidity is increased to the point that condensation can occur on cold surfaces. While this is fine on occasion overuse can create excess humidity resulting in condensation.

Attic condensation during the winter can decrease the effectiveness of insulation and over time can cause significant damage to structural elements in the attic such as rafters or trusses. Improper ventilation and insulation of home attic space can produce. You may pay an ice dam removal company to melt the ice dam off your roof only for the leaking to continue. In an attic like this wintertime ceiling condensation can form when cold air from the attic hits your warm ceiling.

It is unlikely that under these conditions normal attic ventilation would effectively remove this moisture laden air before ice formed on the roof decking. How to fix ceiling condensation. This attic hatch is not only leaky it has no insulation above it. When that warm moist air meets the chilly underside of your roof s deck condensation occurs.