Moist air is created from everyday activities including cooking.
Possible reasons for moisture in attic.
Generally speaking attic moisture problems that lead to mold growth are most often caused by.
Most people assume this is caused by a leaking roof but that might not be the source.
Even a small pin head sized hole can send gallons of water pouring into your attic over the course of a couple months.
How can i tell if i have moisture problems.
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.
Water found in these places is commonly caused by condensation in the attic.
There are dozens of things that can cause condensation buildups in the attic one of which is a leaking roof.
And to make matters worse these holes are not easily identified unless it s raining.
Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.
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.