Most roof cleaning products require at least 20 minutes for it to absorb into the moss.
Cleaning moss off roof.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
If you re going to use one of these solutions to remove moss climb down from the roof and cover any landscaping that s in the line of fire with a plastic tarp.
Use the tool to gently lift away matted moss that has gathered on the flat sections of the shingles.
Scrape off the moss.
Hose off and brush all moss loose from your roof shingles.
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.
Scrub at the moss with this mixture until the moss is gone.
Climb up to the roof and begin scraping off dead moss from the shingles using a putty knife or painter s 5 in 1 tool and working from the bottom up.
When applying roof cleaning products onto a roof on a hot sunny day it will quickly evaporate and you won t get the desired result.