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.
Roof moss killing solution.
Hose off and brush all moss loose from your roof shingles.
Add more of the oxygen bleach solution as needed to.
Space between the strips.
Or you can use a sprayer with plain water to first moisten the moss then refill it with the moss killing solution.
6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
Mix 4 scoops or 1 2 cup of oxygen bleach with 4 gallons of warm water.
Over time as rain falls zinc residue coats the roof to prevent moss growth.
Using your brush scrub the moss off of your roof working from top to bottom.
Moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
Here are a few moss removal solutions for your roof that you can buy or create yourself.
Rinse your roof with cold water.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
Let the solution remain on the moss for 20 to 45 minutes which should be long enough for the moss to die.
Apply w ith 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.
Grab your oxygen bleach solution and apply it to all sections of moss growth.
4 apply a dab of sealant to every nail head and run a bead of sealant under each shingle.
7 protect nearby shrubs and lawn with plastic tarps.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Moss removal products and diy solutions some readymade cleaners like wet and forget liquid mold remover 30 walmart can be mixed and applied per manufacturer s instructions and left to kill the moss with no rinsing required.
The easiest way to do this is to bring a garden hose onto the roof with you.