Once applied the wet forget starts to work on the surface and then over time will remove the dead lichen with exposure to the wind and rain.
Roof lichen bleach.
For smaller areas you can use a toothbrush with a bleach solution.
Scrub the moss and lichen from the roof with a long handled scrub brush.
Bleach solution that drips from your roof during or after application can kill landscape plants and ruin outdoor fabrics.
Always use a soft bristle brush as not to damage the surface where the lichen clings.
Space between the strips.
True to its name chlorine bleach may bleach your asphalt shingles lightening or changing the color.
Another way of removing lichens from the roof is through using chlorine bleach.
Commercial chemical preparations though costly have proven effective.
Do not let the bleach solution remain on the roof any.
To apply thoroughly saturate the surface with the wet forget outdoor cleaner.
Mix 1 cup of bio degradable liquid dishwashing soap and 1 cup powdered oxygen bleach in 5 gallons of water and apply to lichen prone areas with a push broom brush or hand scrubbing brush.
7 protect nearby shrubs and lawn with plastic tarps.
6 to kill existing moss and lichen make a cleaning solution of equal parts bleach and water.
Allow the bleach solution to remain on the roof for 10 to 15 minutes.
My roof has skid marks.
Wait 15 minutes and then repeat the application a second time.
The recommendation for most of the products is to hose down plants that may get dripped on when applying the solution to the roof.
Rinse with clear water.
5 continue installing zinc strips across length of roof end to end leaving a 1 8 in.
I used a pump sprayer and applied a heavy mist to the roof two times about an hour apart.
8 spray the cleaning solution onto the shingles using a garden sprayer.
Next thing you know it could grow a mossy beard.
Chlorine bleach may be applied to your gutter and flashing or your shingles to change the color.
Chlorine bleach will kill roof moss but when you rinse if off the roof it may kill the plants growing alongside your house too.
Although it s an inexpensive option to remove lichen from your roof the end result may corrode downspouts gutters and flashings.
Get a scrubbing brush and water to gently brush the lichen off.