Removing Algae From Asphalt Roof

What is roof algae.

Removing algae from asphalt roof.

If moss or algae becomes visible clean the roof. Algae and moss growth on roofs at a minimum is an unsightly nuisance. Moss build up can lead to roof damage or shingle blow off if left unchecked. People who live in all parts of the nation and have roofs made from all sorts of materials wood metal asphalt clay or concrete tiles etc.

Fortunately removing moss is a fairly simple task that you can perform on a seasonal or as needed basis to keep your roof weathertight and great looking. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it. How to get rid of algae on the roof. Keeping branches trimmed back from the roof and removing any debris that begins to accumulate should be part of a regular roof maintenance program.

That s why the shingles you see are covered with the small colored ceramic granules. Can have moss and algae accumulate on their roofs. While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles. Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.

The most effective method of cleaning algae and moss from a roof is w ith a 50 50 mix of laundry strength liquid chlorine bleach and w ater. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. Look for algae resistant roof shingles ar on the package which have either copper or zinc added to prevent the algae from forming. If exposed to sunlight the ultraviolet rays will readily break down asphalt shingles.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Those places that receive more rainfall and have sustained high levels of humidity have more moss and algae growth as the moss and algae need water to grow and multiply.