Products To Remove Algae From Roof

Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water.

Products to remove algae from roof.

So the algae colony gets right back to work. Pressure washing can even tear shingles off your roof. Algae grow most often on wood and asphalt shingles or concrete tiles especially if they do not get a lot of sunlight. Roof moss removal usually requires a broom or heavy stream of water.

But that would only make sense if the shingles were worn out. Some homeowners also try to get rid of algae by using bleach. Moss is a thick organic growth. Algae is just a thin film of organic growth that can be removed by washing the roof with certified organic oxygen bleach.

The most common class of roof algae is gloeocapsa magma a bacterium that eats water and expels oxygen. Roof algae generally have a black green hue. You might think that pressure washing is the best way to remove algae. The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.

The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water. Prevent visible roof stains by applying roof armor every 12 months. You may think you have roof algae when really you have moss mildew or mold. Generally this takes care of moss for 1 3 years.

A mixture of trisodium phosphate tsp bleach and water will also remove stains. Copper strips prevent the growth of moss and algae. Sodium hydroxide lye products on the other hand work better than bleach and are less harmful to vegetation. Spread it along the ridge of the roof then let the rain do it s job of dissolving it.

There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor. However the force of the water can cause your shingles to lose their protective granules. You could replace all the roofing with new shingles dark enough to disguise the staining or with shingles laced with copper granules which are lethal to algae. This wipes out the algae colony before it gets large enough to be seen from the ground.

Bleach may kill the top layer of algae and lighten the stains but it doesn t kill the underlying algae. This is the only safe way to effectively remove algae and moss from roof shingles.