What Causes Moss To Grow On My Roof

The presence or absence of sunlight dictates the amount of moss or algae growth.

What causes moss to grow on my roof.

And if you live in a damp climate that sees a lot of rain chances are you will notice telltale signs of algae or moss forming on your roof at some point in your home s lifespan. Moss tends to form in areas where it is shielded from the sun. If sections of your roof are under heavy tree cover these are prime spots for moss to thrive. Moss itself is harmless.

The presence or absence of much sunlight on a roof surface is often a determining factor in the amount of moss or lichens growth more sun less moss and lichens. Moss growing on any roof surface will be more severe on roof sections that area shaded and exposed to periodically damp cool weather conditions. Moss isn t just attracted to moisture. Moisture and organic debris.

Why does moss grow on my roof. This lack of drainage not only helps the moss grow and thrive but also may damage your roof because it increases the risk of water getting under the shingles. It helps keep your roof wet by storing moisture and preventing proper drainage. Moss algae and lichen grow on your roof through a combination of two things.

If you remove moss from the roof then you will reduce the possibility of tiles suffering from winter cracks. When excess moss growth causes moisture to remain trapped on a roof the shingles themselves can. Another critical factor is the amount of shade your roof receives. The presence of moss doesn t always mean that your roof has sustained damage especially if you catch it early.

Like leaves in your gutters moss is only a. If you have moss on your roof it s likely because your roof is shaded by trees or other structures allowing moisture to linger and moss to grow. The more water and the more debris the greater the chance of moss growth. Shaded areas exposed to frequent damp cool weather will quickly encourage moss to grow on your roof.

Brushing should start at the top and work down as going up could mess up your shingles. One way to clean the roof of algae and moss is with a brush and a little grunt work scrubbing and separating the greens from the roof. It does not produce any dangerous spores or fumes it contains no poisons or. Moss is a non vascular plant that absorbs water through its leaves instead of roots.

Moss absorbs and retains water.