How To Remove Black Algae From Roof Shingles

The soft wash technique is performed by skilled technicians on industrial grade pressure washers.

How to remove black algae from roof shingles.

That way whenever it rains some of the metal molecules will wash down the roof and kill any algae trying to regain a foothold on your shingles. Zinc sulfate most often comes in powder form. In recent years roofing manufacturers have begun mixing copper granules into roofing products. Before applying the cleaner spray the roof with water to cool it down.

To clean an asphalt shingle roof to remove black algae stains. Some homeowners also try to get rid of algae by using bleach. No pressure washers please. We use chemical solutions that are approved as safe from shingle manufacturers and a low pressure soft wash technique that doesn t cause damage.

To keep the algae from coming back insert 6 inch wide strips of zinc or copper under the row of shingling closest to the roof peak leaving an inch or two of the lower edge exposed to the weather. How to remove algae from asphalt shingles. Mix up oxygen based cleaner with water in a five gallon bucket following the instructions. Spray wash the roof with a 50 mix of water and bleach to get rid of the algae.

That ll prevent the cleaner from drying out too quickly. You could use regular household bleach to remove the algae from your roof. The solution almost immediately kills the bacteria and washes away the stains. One of the most effective moss killers is zinc sulfate.

Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof. To start cleaning apply it directly and generously to moss areas it s recommended to use three pounds of powder for every 600 square feet. To remove the algae from asphalt shingles you have a few options. Black stains on asphalt shingle roof caused by algae growth.

How to properly remove black streaks from your roof the correct method of attacking gloeocapsa magna is with low pressure or non pressure washing using a special solution that includes sodium hydrochlorite and copper sulfate. Then spray the cleaner onto the shingles photo 1. You might think that pressure washing is the best way to remove algae. However the force of the water can cause your shingles to lose their protective granules.

They re likely to damage the shingles. Pressure washing can even tear shingles off your roof.