Shingles feature an algae defender.
Algae on roof shingles.
To learn how to prevent moss and algae from getting on your shingles keep reading.
Features a diamond open tooth design.
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.
For deep stains let the roof dry then reapply the cleaning solution and rinse it off again after no more than 30 minutes.
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A contractor on the other hand can detect these issues and recommend a solution.
If algae only affected a few shingles repairs will likely suffice.
Simple cover your plants just as painters do.
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If that top layer of moss gets heavy enough the moisture seeps under the roof shingles and into the understructure.
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We have also read in roof cleaning product sales literature that black algae on roof shingles is a cause of shingle tab lifting.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Roof algae causes shingle tab lifting.
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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.
What happens is the algae grows and becomes food for the moss.
That moss then collects rainwater like a sponge.
After 15 to 20 minutes rinse the solution off with a sprayer that has enough force to dislodge algae and moss without damaging the shingles.
Class a fire resistance rating.
You may need either algae cleaning shingle repair individual shingle replacement or a completely new roof depending on the extent of the damage.
This brings mold build up and eventually decay.
Since the roof is such a large portion of a home s exterior and algae is difficult and expensive to clean the discoloration can become an aesthetic nightmare which decreases the value of a home.
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.