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Oregon State University: Maintaining Moss-Free Roof Takes Some Effort
February 15, 2020
CORVALLIS, Oregon, Feb. 15 -- Oregon State University issued the following news:

In the moist Pacific Northwest, moss on roofs is inevitable. The ubiquitous plant clings to shingles, causing damage that can lead to expensive repairs and replacements.

There's nothing to be done about the moisture, but moss also needs shade to grow. The key to keeping it at bay is to trim trees so sunlight filters to the surface of the roof.

"You can clean all you w . . .

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