There are dozens of things that can cause condensation buildups in the attic one of which is a leaking roof.
Possible reasons for moisture in attic.
Finding water damage on the wall or ceiling is worrying for any homeowner.
Generally speaking attic moisture problems that lead to mold growth are most often caused by.
In the first instance you need to try and reduce the amount of moisture vapour penetrating into the attic in the first place.
In other words you cannot have a mold problem without a moisture problem.
Blocked or insufficient ventilation improper exhausting of bathroom fans or dryer vents.
Even a small pin head sized hole can send gallons of water pouring into your attic over the course of a couple months.
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.
Water found in these places is commonly caused by condensation in the attic.
Common causes of condensation in the attic.
Moist air is created from everyday activities including cooking.
Rust moisture frost and ice buildup on roofing nails dark stains moisture or frost on the roofs sheathing water or drip marks scattered on the attic floor buckled or damaged roof sheathing moist or wet insulation.