Remove Roof Moss

In the Pacific Northwest, many homes have moss growing on the roof. The house not only looks like been neglected, but also the moss will damage and shorten the life of your roof shingles.

Here is the simple and efficient way to DIY remove moss and save your roof. The processes include kill it, remove it, and prevent it. However, the most important thing is “Safety First” when you do this roof moss task.


➊ Wait for the moss is in the reasonably dry and thirsty condition, such as weeks after the last rain.

➋   Dilute plain laundry bleach with water, one part bleach and three parts water. Spray the mixture on the affected areas of roof with a pump garden sprayer. Wet it all; any you miss will not be killed.


➌   Sweep / brush away the dead moss after it turn brown in a few days. It needs to be very careful if you want use water to flush off the roof. The pressure water has to be pointed down the roof to avoid damaging the shingles.


➍ Install zinc strips at the peak and at down-roof intervals to inhibit future moss growth. The strips release zinc carbonate into rain water washing over the roof.


➎   Moss grows in damp shaded areas. Remove leaves and debris from the roof and the gutters regularly. Next, cut back tree branches that are shading your roof to prevent moss growing.

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