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Summer De-Mossing of your Roof

British Columbia’s capital, Victoria, resides in a natural rain forest. It wouldn’t appear that way today with all the construction taking place, but it’s true.

What does that mean? It means, the great city of Victoria experiences a lot of rain and in turn, allows moss to grow and build on rooftops in the city.

Moss holds water which erodes a roof away quicker than normal. It will grow between shingles, lift them, and then rain taking the path of least will get in-between the shingles breaking the seal. It is something the roofers of Shoreline see often.

What happens when the seal is broken; well, that’s when the leaks start to happen.

When Moss is growing on a rooftop, it is working  against the lifespan of a roof. Green fluffy moss isn’t just the enemy of asphalt shingles but is mortal enemies with cedar shingles and flat roofs as well. Metal roofs may not get Moss, but they do get green algae. Moss does not discriminate.

This summer would be a great time to look into a de-mossing for one’s roof. Moss dries out in the hot summer air and from the constant beating from the sun making it easier to remove.

How does the crew of Shoreline get Moss off roofs?

They start with towels to remove the moss that has grown on the roof. Yes, a towel. Towels are used because they serve Shoreline roofers as one of the less abrasive tools that they can use.

When a person uses a wire brush or any sort of hard bristle brush for that matter, they literally scrub the granules right off asphalt shingle.

moss on roof in victoriaClimbing up to the roof to pressure wash can be a bad idea as well for the same reason. The force from many pressure washers, even on a low setting, is enough to take the granules off asphalt shingles.

Why are the granules on shingles important?

The granules on roof shingles are important for three reasons: to protect the asphalt coating from UV rays, to add aesthetic beauty (colors), and to provide fire resistance to the roof.

After de-mossing a person’s roof via towel, Shoreline then treats it with an anti-moss treatment which kills any live spores that are still attached to a shingle. A lot of spores can’t be seen with the human eye and survive the de-mossing, so the anti-moss treatment is crucial to ensure that all spores killed off and the moss will not grow back as fast.

Why is regularly de-mossing a good idea?

Once Shoreline demosses a person’s roof, they then can inspect the roof for damages and see potential areas for leaks. Then, they can get to repairing them; de-mossing has more benefits than one would believe.

If a person has concerns or questions about Shoreline’s process of de-mossing, they can just call.

Shoreline will come to a house, assess a person’s roof for them, and quote them on the spot.

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