Roof Is Damp In Attic

Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.

Roof is damp in attic.

The source of the attic moisture is usually indoor air that enters the attic through ceiling cracks. If you suspect you have moisture problems in your attic check for the following indications of excess moisture in the attic. Water or drip marks scattered on the attic floor. There are dozens of things that can cause condensation buildups in the attic one of which is a leaking roof.

Finding water damage on the wall or ceiling is worrying for any homeowner. Moisture frost and ice buildup on roofing nails. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. Even a small pin head sized hole can send gallons of water pouring into your attic over the course of a couple months.

The typical expected cause is water penetration from the exterior due to a defective roof covering. Most people assume this is caused by a leaking roof but that might not be the source. And to make matters worse these holes are not easily identified unless it s raining. In the vast majority of cases the mold growth is caused by condensation.

Common causes of condensation in the attic. Water found in these places is commonly caused by condensation in the attic. If attic air is humid and roof sheathing is cold condensation or frost can accumulate on the underside of the sheathing. The cause depends on whether you have an unconditioned attic or a conditioned attic.

A roof timbers within an attic can become damp from two sources. Moist or wet insulation. Buckled or damaged roof sheathing.