Mold In Attic On Inside Of Roof

So how good is your attic ventilation.

Mold in attic on inside of roof.

If you look at your roof for several days after it snows and you see an. Even in this case in our opinion the reasons to remove and replace roof sheathing and framing would normally be based on the condition of the roof framing and sheathing not on the. If your roof leaks or any attic windows leak you ve got moisture in your attic and probably need to consider attic mold removal. Also plumbing stacks in the attic can be a source of condensation which can lead to attic mold growth.

Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. In the vast majority of cases the mold growth is caused by condensation. Roof leaks will often lead to a small localized area of attic mold near where the leak is occurring. In our roof interior attic photo at left you can see antique roof framing along with black stains and probably some mold growth from a long history of roof leaks.

Even if your roof and windows don t leak though humidity in the attic can lead to the growth of mold. Mold in attic is fairly common because attics are often damp. Unfortunately by sealing the vents or tacking insulation to the underside of the roof we create ideal environment for attic mold to grow by keeping moist warm air trapped inside. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored.

Plumbing stacks can also emit hazardous gases so make sure that they too do not terminate inside the attic.