Useful Tips

What causes dark stains on roof shingles?

What causes dark stains on roof shingles?

The black streaks running down roofs are actually a hardy algae called Gloeocapsa magma. As the blue-green algae accumulate, they develop a dark, hardened outer coating, which results in the black stains you see. If you don’t like the streaks, reshingle with algae-resistant shingles.

What causes staining on shingles?

If you have dark streaks or discoloration on your roof shingles, it’s most likely because you live in a high humidity area (like Florida). Those dark streaks and discoloration are caused by a blue-green algae called Gloeocapsa Magma.

Will bleach damage asphalt shingles?

Chlorine bleach / TSP chemical combination can kill plants, and the phosphates hurt the environment. Chlorine bleach also dries out a shingle roof causing curling, and ultimately shortening asphalt roof shingles life.

What is the best cleaner for roof shingles?

of laundry strength liquid chlorine bleach and water. This is the best way to clean a roof if you have asphalt shingles. After spraying the roof with the mixture, allow it to sit on the surface for 15 to 20 minutes before rinsing thoroughly with clean water.

What is the best way to clean a shingle roof?

What is the best rated shingles?

Owens Corning makes fiberglass shingles that have been acknowledged by many contractors for their quality and durability and are considered one of the best shingles on the market according to CONSUMER REPORTS MAGAZINE in house reviews.

What is the best brand of architectural shingles?

A better quality of shingle will last longer, resist algae growth longer, and be more resistant to wind and hail damage. The three “top” brands are Certainteed, Owens-Corning, and GAF. These companies make high quality shingles and are about the same price. The next lower tier includes Tamco and IKO.

Which is better light or dark shingles?

It is a well known fact that dark coloured shingles absorb the most heat while light coloured shingles reflect more heat. Light shingles will lower the attic temperature and may help you save on cooling costs. Dark shingles may help heating the home in cold climates and also will assist with snow melt.

What is the average price of asphalt shingles?

The average cost to install an asphalt shingle roof is anywhere between $2,000 and $10,000 depending on the slope, pitch, and size of your roof. The material cost factors into that price, and as such, shingle prices vary depending on your location and the specific product.