Staining Roof Shingles

Rust stains on shingles.

Staining roof shingles.

When that happens it is generally caused by mildew algae mold or dirt stains. The staining and discoloration caused by algae initially appear as dark brown and black or sometimes greenish streaks on the roof surface. 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. How to clean roof stains wash your shingles where the sun doesn t shine.

Starting from the bottom carefully wet the shingles. Algae stains can be removed by cleaning though they usually return. How to remove and prevent black algae stains on asphalt shingle roofs algae resistant shingles. They are often rectangular in shape but size can vary.

In recent years roofing manufacturers have begun mixing copper granules into roofing products. A layer of sand is added to the base of the shingle which is then fed into a press to embed the granules. This keeps the solution from drying out immediately after application. To give a shingle its color texture and protective coating granules are added.

It is not uncommon for roof shingles to turn black over time. Lichens growing on building surfaces lichens are not the. Bring your garden hose or water sprayer up to the roof. Here s how to clean the.

Do shingles on your north west or other shaded roofs have streaky moldy stains. Soak the shingles with water. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. Granules are made from mined rock that has been crushed.

Make your shingles last longer. Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them. Green roof stains on roof shingles clay tiles cement tiles and asbestos cement roof shingles or newer fiber cement. Extractive bleeding stains on asphalt roofs see extractive bleeding on shingles and see roofing material defect.

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. 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.