Mold In Roof Attic

On attic mold visible on pine tongue and groove roof sheathing near the building eaves.

Mold in roof attic.

Particularly in cold climates when homeowners heat their homes in winter hot air tends to escape through the attic. If you have mold in the attic we recommend consulting with a mold removal specialist because. The mold shown in the attic photographed above was identified as aspergillus sp. Insulation is often affected.

There s an underlying moisture issue that needs to be resolved because mold requires moisture to grow and spread. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. Heating ventilation and air conditioning ducts may also. The photo at the left was identified as a toxic mold that probably should be removed although the ease of movement generally tearing off a roof and roof sheathing and perhaps roof framing to remove mold would not be sensible nor cost justified.

This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Attic mold left unchecked can grow and lead to structural deterioration of attic sheathing and roof structural elements. Wooden beams and plywood may be affected and it can be difficult to remove all traces of mold from wooden surfaces. The chief cause of attic mold is poor ventilation.

Click photo for larger image.