Gray Fungus On Roof

Bleach kills fungus on contact.

Gray fungus on roof.

When it rains a slight amount of zinc dissolves from the strips and coats the roof inhibiting algae and fungus growth. It s a combination of algae and fungus and usually has a light mint green color. Continue spraying until you see runoff then let the chemicals sit for 15 20 minutes to soak in and begin attacking the mold. Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green.

Gray mold is a fungus otherwise known as botrytis cinerea that can affect any part of a plant and is one of the most common diseases found among bedding plants. If you wish to prevent reoccurrence of fungus think zinc. Unlike algae lichen can develop roots which makes it harder to remove than algae alone. If the roof fungi haven t damaged the structural integrity of the roof you should be able to clean it yourself.

Fungus which also travels through the air can combine with algae already present on your roof and form into lichen. This will prevent the solution from draining in your direction. Start on lowest row of shingles and work your way backwards to the upper part of the roof. Mold on in attics and attic surfaces roof sheathing the photographs below illustrate mold growth on plywood roof sheathing.

This occurs when the temperature of the sheathing drops below the dew point creating a thin layer of moisture on the substrate. This disease will easily infect plants that are already damaged or beginning to die. 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.

To combat algae and or fungus growth it is generally known to include metallic granules on the surface of the roofing material. 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. What is gray mold. Zinc strips left have been used for many years as an algae preventative.

Simply mix the bleach and water spread the mix over your roof with a mop and hose the roof off. 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. The mold itself may have a cottony texture but can also be velvety leathery or. This lichen feeds off both the algae and the shingle filler.

Spray the entire roof thoroughly. It then spreads quickly and can cause extensive damage to healthy parts of plants.