Mold On Slate Roof

Identifying removing preventing algae fungus lichens moss on roof shingles.

Mold on slate roof.

Buildup of moss and debris on slate roofs hold moisture in the slates that can split them during winter. Asphalt roof shingle defects. Scrub away the thickest buildup. Believe it or not those black streaks only appear on roofs in certain areas of the country.

Step 1 fill a bucket or basin with warm water and add about 1 2 cup of mild laundry washing detergent. Spray the entire roof thoroughly. Mix up your cleaning solution. When cleaning a slate roof don t use chemicals like ammonia or chlorine bleach.

Spraying the roof 1. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Like all tile however slate can be prone to mildew and mold particularly if it is installed in a high moisture area like a bathroom a basement or a kitchen. 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.

Such harsh chemicals are incompatible with the copper components of your slate roof. Just because slate takes longer to weather than most other roofing materials it does not mean that it is immune to organic growth. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Those that tend to be the most humid furthermore they will only appear on the north side of the roof.

For the most part this growth is not harmful to the slate but it can lead to damage to the underlying wood sheathing. Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. Fortunately slate mildew can be cleaned using basic household products. To get rid of mold and other types of growth for good it s best to use a powerful.

The black streaks are also known as black algae or roof mold.