Roof Is Damp In Attic

Even a small pin head sized hole can send gallons of water pouring into your attic over the course of a couple months.

Roof is damp in attic.

Water found in these places is commonly caused by condensation in the attic. Most people assume this is caused by a leaking roof but that might not be the source. Water or drip marks scattered on the attic floor. The cause depends on whether you have an unconditioned attic or a conditioned attic.

The source of the attic moisture is usually indoor air that enters the attic through ceiling cracks. Moisture or frost on the roofs sheathing. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. The typical expected cause is water penetration from the exterior due to a defective roof covering.

And to make matters worse these holes are not easily identified unless it s raining. Moist or wet insulation. Noticeable musky damp odor. 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. If attic air is humid and roof sheathing is cold condensation or frost can accumulate on the underside of the sheathing. Buckled or damaged roof sheathing. A roof timbers within an attic can become damp from two sources.

If you suspect you have moisture problems in your attic check for the following indications of excess moisture in the attic. Common causes of condensation in the attic. Moisture frost and ice buildup on roofing nails.