Mold On Slate Roof

Those that tend to be the most humid furthermore they will only appear on the north side of the roof.

Mold on slate roof.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. To get rid of mold and other types of growth for good it s best to use a powerful. Buildup of moss and debris on slate roofs hold moisture in the slates that can split them during winter.

Just because slate takes longer to weather than most other roofing materials it does not mean that it is immune to organic growth. Mix up your cleaning solution. The black streaks are also known as black algae or roof mold. Moss mildew and algae are the most common growths seen on slate roofs.

Asphalt roof shingle defects. Spray the entire roof thoroughly. Spraying the roof 1. When cleaning a slate roof don t use chemicals like ammonia or chlorine bleach.

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. For the most part this growth is not harmful to the slate but it can lead to damage to the underlying wood sheathing. Photos and text guide diagnosis of asphalt roof failures how to identify and explain roof shingle failures obtain claims. Believe it or not those black streaks only appear on roofs in certain areas of the country.

Use a long handled brush to scour the surface of the shingles and loosen stuck on. Scrub away the thickest buildup. Step 1 fill a bucket or basin with warm water and add about 1 2 cup of mild laundry washing detergent. Such harsh chemicals are incompatible with the copper components of your slate roof.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.