Moss which tends to appear on areas of roofs that are shaded by trees and on north facing slopes is sometimes killed and re invasions prevented by simply correcting the shady humid conditions.
Moss on wood roof shingles.
Once the moss is a thick mat it becomes a sponge that soaks up and retains all moisture.
Hose off and brush all moss loose from your roof shingles.
By holding moisture against the roof surface lichens but more so moss speed the wear of the asphalt shingle surface in freezing climates by increasing frost damage to the mineral granule coating on the shingles.
Stir the oxygen bleach until it dissolves.
Carefully place a ladder near the area of moss.
Spreading moss can quickly upholster to roof surfaces filling in voids between shingles and tiles and reaching under and lifting up roofing materials.
In the case of cedar roofing a wet or moist roof can eventually lead to issues like rot mold and mildew.
This lack of drainage not only helps the moss grow and thrive but also may damage your roof because it increases the risk of water getting under the shingles.
Spray the roof thoroughly with the oxygen bleach solution.
Moss and lichens are more than a cosmetic issue on many kinds of roofing materials asphalt shingles roll roofing wood shingle roofs wood shake roofs.
Moss keeps the roof wet moss isn t just attracted to moisture.
Wood s porous surface is prime real estate for moss growth.
Moss growth will also interfere with proper drainage of water off the roof as water needs to trickle through or around the moss instead of running straight down to the gutters.
Apply a storebought or diy cleaning solution to remove the moss.
When moss is left too long and covers too much of the roof it can damage the structural integrity.
Make sure it s completely saturated.
Fill a pump sprayer with 1 cup of oxygen bleach per gallon of warm water.
This heaving of shingles allows rainwater and other moisture to seep into a roof s structure to cause decay and rot.
How to prevent moss on wood roofing shingles 1.
Once moss has adhered to wood shingles the moss can be harder to remove than it is from the relatively smoother planes of composite or asphalt shingles.
Over time moss can also work its way under shingles lifting them up.
Because moss grows in moist humid areas it can also be a clear sign of water or moisture damage on the roof.
Moss killer for roofs recipe cup oxygen bleach 4 gallons of warm water.
Hose off and brush all moss loose from your roof shingles.
Allow it to sit for.