Attic Moisture On Interior Siding

To prevent moisture from building up in your attic you need to make sure your attic has enough ventilation and won t get too hot.

Attic moisture on interior siding.

Creating ice dams that lead to interior leaking and roof damage. No heat source or inadequate air circulation. You re building a wall. Whatever your reason you are now looking at finishing a new wall.

Once the weather starts getting cold we get many calls from homeowners saying that they have a roof leak showing up as widespread moisture on the inside surface of the plywood and nail points inside their attic. A magnet can be used to tell the difference between aluminum siding and steel siding or galvanized steel flashing from copper flashing. In most cases it s enough to keep the. Sealed attics trap excessive heat and moisture which can lead to reduced shingle life.

There are meters that are non invasive and. The humidity in the basement measured 40 the first floor was 45 50 but the attic was 62. I first encountered this problem in my early years in business when a roof we replaced kept having this same problem sometimes forming sheets of ice all over the interior sheathing. The moisture was rising with the warm air of the home as it escaped past the insulation and it was trapped in the attic because there was no roof.

The first floor and one in the attic. Add insulation install louvered doors reduce humidity. You may find the insulation missing or bunched up so that it isn t doing its job in the affected area. Reduce interior moisture level allow moisture to escape behind siding.

The exterior walls are covered with a moisture barrier and siding while the interior generally features another moisture barrier underneath the sheathing. It could be used to confirm water intrusion problems or confirm that wood is saturated with water. Maybe you re putting on an addition or finishing off your basement or maybe you are just about to undergo a major renovation that requires taking the existing wall down to the studs. If this occurs in isolated spots check the attic.

These gable vents can be painted to. Attic moisture can cause mold and mildew as well as ice dams in the winter. Mildew on exterior walls. Moisture meter a moisture meter is used to detect or confirm moisture.

Mildew on interior walls or in closets. Remove by scrubbing repaint with mildicide containing paint. Moisture on the surface without the accompanying stains probably is condensation resulting from a cold spot on the ceiling.