Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
Moss on roof shingles bleach.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
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.
There are many ways to remove moss that tends to grow in shaded areas.
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.
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.
Chlorine bleach will do the job but it can damage or discolor certain types of roofing such as wooden shingles.
Algae will disappear and wash away with subsequent rains the association advises.
Once the moss has been thoroughly eradicated from the roof take steps to keep moss from returning.
Spray the bleach mixture on the roof.
The bleach will kill off any leftover moss over the next couple of days.
Remove the harness system from the roof.
Apply generously over the remnants of the moss and the roof shingles.
Hose off and brush all moss loose from your roof shingles.
Oxygen bleach however will kill the moss without harming your roof.
The reason you shouldn t use bleach to remove moss from your roof has to do with the composition of your shingles.
Add more of the oxygen bleach solution as needed to.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
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.
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.
Spray any plants and grass underneath the roof with water again once the process is.
What bleach does to your roof.
According to tim carter author of the nationally syndicated column ask the builder bleach will kill the moss growing on your roof.