Attic Insulation Condensation

Traces where water has trickled down the walls.

Attic insulation condensation.

Insulation is responsible for keeping warm air inside your living space and out of the attic where it can lead to condensation. In the real world this means moist air from your house coming into contact with the underside of your cold roof tiles or the side of your water tank etc. Noticeable musky damp odor. Next take a look at your attic ventilation.

To save time and better pinpoint the problem you can hire a professional to inspect your insulation and fill any gaps that might be letting warm air into the space. For a more detailed explanation see my article on condensation in buildings. Moisture forming on the glass window panes or other flat surfaces. Applying mastic gum to the duct joints and adding an r6 layer of insulation around your sheet metal ducts goes a long way toward protecting your attic and ceiling.

It is common for poorly vented and insulated attics to develop attic condensation. This accumulation can leak through the attic floor and into your living space. And the same factors that cause attic condensation problems also cause ice build up on roof edges which can lead to ice damming. Check your ventilation system.

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. Warm air escaping from a duct into a cold attic can create condensation and encourage mold growth. Condensation will form in your attic if warm moisture laden air comes into contact with a cold surface.