Staining Roof Shingles

How to remove and prevent black algae stains on asphalt shingle roofs algae resistant shingles.

Staining roof shingles.

Bring your garden hose or water sprayer up to the roof. Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them. Algae stains can be removed by cleaning though they usually return. F9concrete rust remover barc is specifically developed to reverse and eliminate the largest proportion of rust stains on shingles concrete rust stains fertilizer rust stains and irrigation rust stains on concrete brick pavers tile stone concrete coatings asphalt sidewalks and other surfaces.

It is not uncommon for roof shingles to turn black over time. Shingles are laid from the bottom edge of the roof in rows each row overlapping the one below it all the way to the top. Rust stains on shingles. To give a shingle its color texture and protective coating granules are added.

Here s how to clean the. When that happens it is generally caused by mildew algae mold or dirt stains. Make your shingles last longer. Soak the shingles with water.

A layer of sand is added to the base of the shingle which is then fed into a press to embed the granules. They are often rectangular in shape but size can vary. Black streaks on the north and west facing and shaded. Lichens growing on building surfaces lichens are not the.

This keeps the solution from drying out immediately after application. Roof shingles are a covering on the roof of your house that are laid out in a manner that they overlap each other. How to clean roof stains wash your shingles where the sun doesn t shine. Though often attributed to an accumulation of dirt defective shingles mold or mildew the most common culprit is actually a blue green algae known as gloeocapsa magma that is spread by airborne spores.

It s most noticeable on white or other light colored roofs. Granules are made from mined rock that has been crushed. The staining and discoloration caused by algae initially appear as dark brown and black or sometimes greenish streaks on the roof surface. Preserve the appearance of your roof by removing black stains promptly.

Do shingles on your north west or other shaded roofs have streaky moldy stains. Starting from the bottom carefully wet the shingles. In recent years roofing manufacturers have begun mixing copper granules into roofing products.