In freezing climates there may be faster frost damage cracking and wear of the shingles under the moss or lichens.
Moss on roof shingles.
Remember for an asphalt roof it s all about the granular material protecting the asphalt shingle and when the granular material starts to leave it s time for a new roof.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
For large expanses of an asphalt shingled roof use a long handled scrub brush made for cleaning gutters and roofs.
How to remove moss from roof tiles step 1.
Particularly where the roofing materials are asphalt shingles or wood shingles holding water on the roof surface by any means leaves debris moss or lichens speeds up wear on these shingles.
Follow the store bought cleaner s instructions for how long you should leave the cleaner on the moss.
Always work from the top of the.
It s a tedious job but it is easier on the tiles than more invasive techniques.
Safely set up your ladder near the moss.
With either your homemade cleaner or a store bought option spray the.
Create a 50 50 mixture of chlorine bleach and water and spray it generously on the moss.
You can be sure there is moisture on the roof whenever you see moss because the moss wouldn t be able to survive without it.
Moss can be physically removed from the roof by hand.
Wet the moss by spraying with your hose.
How to remove moss from your roof step 1.
Hose off and brush all moss loose from your roof shingles.
How to kill moss growth on roof shingles 1.
Dead moss also acts like a sponge and soaks up more moisture the dead moss must go.
No matter which method you choose to clean moss from your roof you re going to get dirty so dress.
If your moss problem requires more than.
Prune off or thin out overhanging tree or shrub branches that are growing over or next to the roof to increase the.
Frank van eyndenovember 24 2018 at 1 02 pm.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
Using your garden hose on low pressure.
Use a low pressure setting on your spray nozzle to avoid damaging your.
While there s no evidence that moss feeds on roofing materials as some people fear moss does lift shingles making it possible for water to seep underneath them and rot the roof decking.
Wear rubber gloves to.
Apply a storebought or diy cleaning solution to remove the moss.
Sweep or hose off leaves branches and any other debris that accumulates on the roof regularly to avoid retaining.
Hose off and brush all moss loose from your roof shingles.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.