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.
Moss on roof shingles bleach.
There are many ways to remove moss that tends to grow in shaded areas.
What bleach does to your roof.
At keeping it clean we ve seen just about everything when it comes to roofs and moss removal and we can tell you upfront that using bleach on your roof is rarely a good idea.
Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
Oxygen bleach however will kill the moss without harming your roof.
Add more of the oxygen bleach solution as needed to.
Hose off and brush all moss loose from your roof shingles.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
The bleach will kill the algae or moss but rinsing won t necessarily leave the roof sparkling clean.
Spray the bleach mixture on the roof.
The bleach will kill off any leftover moss over the next couple of days.
In the pump sprayer pour a mixture of roughly 1 3 a gallon of bleach to 1 gallons of water.
Cleaning asphalt shingles of clumps of moss or algae that have taken root in the roof can feel like an overwhelming endeavor.
Mix 4 scoops or 1 2 cup of oxygen bleach with 4 gallons of warm water.
Algae will disappear and wash away with subsequent rains the association advises.
According to tim carter author of the nationally syndicated column ask the builder bleach will kill the moss growing on your roof.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Before applying a moss remover cleaner use a scrub brush 3 15 the home depot or a long handled soft bristle brush to gently scrape or pluck moss from the roof shingles or tiles.
Remove the harness system from the roof.
Spray any plants and grass underneath the roof with water again once the process is.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
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.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.