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.
Possible reasons for moisture in attic.
Moist air is created from everyday activities including cooking.
Water found in these places is commonly caused by condensation in the attic.
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.
Generally speaking attic moisture problems that lead to mold growth are most often caused by.
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.
Finding water damage on the wall or ceiling is worrying for any homeowner.
Common signs of moisture in your attic musty smells frost ice on cold surfaces in the wintertime foggy windows condensation on windows or other smooth surfaces visible mold wood rot the deterioration of masonry the staining discoloration or warping of construction materials.
In the first instance you need to try and reduce the amount of moisture vapour penetrating into the attic in the first place.
Common causes of condensation in the attic.
Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.