Gray Fungus On Roof

The last one we will discuss is mildew which like mold is very dangerous if left to fester and grow.

Gray fungus on roof.

A visual inspection of the backside of the ceiling is the only way to properly identify the extent of the mold growth. External mold can do significant damage to exterior surfaces over time eating away at wood stucco and other materials. Far more mold growth may be present on the backside of the sheet rock than the side facing the room. Light grey pink or black.

The mold itself may have a cottony texture but can also be velvety. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. Liquid based ceiling mold. In the vast majority of cases the mold growth is caused by condensation.

External mold is just as serious as mold inside the home. This includes roofs that don t have proper drainage systems in place. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. It doesn t trap as much water against the surface of the roof as moss but it can be acidic and has strands that can penetrate into the shingles.

Mold on in attics and attic surfaces roof sheathing the photographs below illustrate mold growth on plywood roof sheathing. Here we discuss the causes of algae moss lichens or fungal growth on roof shingles the effects of these conditions and how to cure or prevent them. Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green. The opposite is true for roof leaks pipe leaks etc.

Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it. If you wish to prevent reoccurrence of fungus think zinc. When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus growth. You can spot this nasty fungus due to its wide color range.

It s a combination of algae and fungus and usually has a light mint green color. You ll want to remove mold from the outside of your house on siding or on your deck as soon as possible. Identifying removing preventing algae fungus lichens moss on roof shingles. Photos and text guide diagnosis of asphalt roof failures how to identify and explain roof shingle failures obtain claims.

Unlike its fungi counterparts mildew spreads extremely fast in warm and wet places. Zinc strips left have been used for many years as an algae preventative. Mold or mildew makes black ugly streaks on a roof. These are probably not good things for.

From your description you may have lichen growing on the surface of your roof.