The asphalt roofing manufacturers association distinguishes between moss a plant with leaves that can grow into thick clumps and mold and mildew which are common names for types of algae.
Removing moss from asphalt roof.
Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.
Algae and moss growth on roofs at a minimum is an unsightly nuisance.
Once the moss is a thick mat it becomes a sponge that soaks up and retains all moisture.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Hose off and brush all moss loose from your roof shingles.
Once moss has adhered to wood shingles the moss can be harder to remove than it is from the relatively smoother planes of composite or asphalt shingles.
Moss build up can lead to roof damage or shingle blow off if left unchecked.
There are many ways to remove moss that tends to grow in shaded areas.