Attics usually have a passive ventilation system in which outside air comes in through the soffit eave vents at the bottom warms up in the attic and escapes through the can or ridge vents at the top because hot air rises.
Mold on north side of attic ceiling.
5 common causes of attic mold.
Condensation occurs on the underside of the roof sheathing not beneath the insulation.
Brown mold on plywood roof sheathing in an exposed to leaks or moisture problems is one of the most common molds spotted by home inspectors.
It is usually found on the ceiling or walls of the attic especially where there is dampness poor ventilation or the surface is worn.
Attic or cathedral ceiling mold cleanup.
Condensation is the most common cause of mold growth in an attic.
Often in attics we also find cladosporium sphaerospermum or aureobasidium pullulans which looks about the same or a little darker on plywood or framing.
Mold growth beneath the insulation would require a roof leak which you d typically notice on the ceiling inside the home before any real mold growth occurred.
It can often be found in creases and corners as well as.
Do we need to remove the roof or perform other demolition to clean or remove attic cathedral ceiling or other roof cavity mold contamination.
Bathroom mold kitchen mold basement mold these areas tend to get all the hype but there is another area that property owners need to be aware of too the attic.