Condensation In Attic During Winter

Improper ventilation and insulation of home attic space can produce.

Condensation in attic during winter.

You may pay an ice dam removal company to melt the ice dam off your roof only for the leaking to continue. This can result in mold rust and deterioration of wood and structural fasteners. Attic condensation generally happens during winter spring months when warm moist air from the main living area rises into the attic space. 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.

In summer when the air conditioning is on the reverse happens. 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. Mould is caused by moisture that condenses on the cold hatch surface during winter. It is unlikely that under these conditions normal attic ventilation would effectively remove this moisture laden air before ice formed on the roof decking.

In an attic like this wintertime ceiling condensation can form when cold air from the attic hits your warm ceiling. How to fix ceiling condensation. Improving your attic s air sealing and insulation prevents attic air from reaching your ceiling and it s a fairly easy job to do yourself. Many people run humidifiers in their home during the winter if they feel the air is dry.

If you have a roof leak in the winter months and it s not being caused by ice dam there may be another culprit. Attic condensation the conditions that cause ice dams often cause attic condensation too. 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. 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. Our main concern in the winter is moisture. If you find find condensation on your windows this could be a n early indication that your humidifier is the source. 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.