In fact moss can cause lasting damage to a roof over the course of several years as it grows between the standard composition shingles.
How to stop moss from growing on the roof.
Moss b ware chemicals that kill the moss or lichens on roofs can be effective as we illustrate below for a roof located in seattle where the homeowner applies corry s moss b ware treatment as a granulated powder sprinkled on the roof along the ridge line.
Limit shade and clear any debris that could lead to moisture on your roof.
Prevent future moss growth by installing zinc or copper on the roof.
Bumps and dips in the roof surface can interfere with the proper drainage of water off the roof and prevent the shingles from sealing properly.
Moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
Roof treatments to remove or prevent algae liches moss growth.
Moss growing on a roof may or may not be considered attractive or quaint but there is no doubt that extensive moss on a roof can seriously damage the roof by growing under and raising or.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge.
Consider trimming tree branches to expose your roof to more direct sunlight.
How to prevent moss from growing on your roof.
Bumps in the roof.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
Overhanging tree branches help create the perfect environment for moss to grow.
If you want to avoid damage to your roof here are some ways to prevent moss from growing on your roof from the start.
The branches and leaves offer shade from the intense sun.
Step 2 eliminating moss.
It s not a bad idea to suggest to customers that overhanging tree branches are what s keeping their roof moist in the first place and allowing the vegetation to grow.
Over time as rain falls zinc residue coats the roof to prevent moss growth.
Pruning the surrounding trees will let the roof and the rest of the building dry out more quickly.
That water is sometimes leaked in between shingles and through the roof.