How To Clean Mold Off Of Roof Shingles

Clean your roof regularly.

How to clean mold off of roof shingles.

Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle. Mold or mildew makes black ugly streaks on a roof. Moss those green feathery clumps you may see forming on the roof is a different type of plant and isn t the same thing as algae or mold. Mold won t form on a roof because it s allergic to sunlight and as soon as the ambient temperature surrounding the mold becomes dry the mold dies.

Algae is a single celled organism while moss is not. Tackle the gutters too so that water drains freely. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Oxygen bleach lightens stains as well and is less harmful to the environment but it doesn t produce as immediate or dramatic an effect as chlorine bleach.

So it pays to clean your shingles as soon as you spot algae growth. Do it yourself and save big bucks. To clean mold off a roof start by putting on rubber gloves a breathing mask and goggles to protect yourself from the harsh cleaning chemicals. Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.

How to clean mold off a roof. These stains will discolor your roof and damage the shingles over a period of time if left alone. A mixture of trisodium phosphate tsp bleach and water will also remove stains. The debris including fallen branches and leaves provides a moist environment for moss and algae.

The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside not to worry though because you can clean the mold off with basic household bleach and save. Mold stains can form on roof shingles that are in permanent shade. But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.