Gray Fungus On Roof

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

Gray fungus on roof.

Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green. 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. Light grey pink or black. The opposite is true for roof leaks pipe leaks etc.

This includes roofs that don t have proper drainage systems in place. External mold can do significant damage to exterior surfaces over time eating away at wood stucco and other materials. In the vast majority of cases the mold growth is caused by condensation. 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.

Asphalt roof shingle defects. Liquid based ceiling mold. This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. How to clean mold off a roof.

The last one we will discuss is mildew which like mold is very dangerous if left to fester and grow. Far more mold growth may be present on the backside of the sheet rock than the side facing the room. External mold is just as serious as mold inside the home. Unlike its fungi counterparts mildew spreads extremely fast in warm and wet places.

Our photo at right and our two moldy asbestos pipe insulation pictures below all show black and gray mold colonies as smaller spots growing on the painted surface of cloth covering asbestos pipe insulation. Identifying removing preventing algae fungus lichens moss on roof shingles. Mold on in attics and attic surfaces roof sheathing the photographs below illustrate mold growth on plywood roof sheathing. These are probably not good things for.

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.

Zinc strips left have been used for many years as an algae preventative. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. The mold itself may have a cottony texture but can also be velvety. Mold or mildew makes black ugly streaks on a roof.

You ll want to remove mold from the outside of your house on siding or on your deck as soon as possible.