What Causes Moss On My Roof

If you notice moss or algae on your roof don t panic.

What causes moss on my roof.

Preventing moss from growing on your house siding can keep your home looking beautiful and protect your family from potential health hazards that moss can cause. Does moss on my roof mean i need a new roof. The cost depends on the size of your roof the amount of moss and the labor rates in your area. As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether.

The roots then can lift up the shingles on the roof. Causes of moss or lichens growth on roofs. When moss covers the roof however it can trap the moisture preventing it from properly evaporating. The moss will absorb the damp environment s moisture and establish roots on the roof.

Dangers of moisture when excess moss growth causes moisture to remain trapped on a roof the shingles themselves can weaken and rot over time. Avoid pressure washing your roof to remove moss as this could cause damage to the tiles and lead to the drenching of your roof interior. 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.

The constant moisture can result in mold and bacteria growth. Moss growth is especially common on the north side of homes as this surface receives the smallest amount of sunlight during the day. Letting the moss slowly roll down your roof and into the gutters just clogs up the gutters downspouts and underground drains. Moss doesn t always mean you re destined for a whole new roof nor does it mean your home has water or moisture damage.

Potassium salts of fatty acids applied using a hose end spray. Often times all a roof needs is a thorough cleaning to restore your roof to its original condition and good health. Moss growing on any roof surface will be more severe on roof sections that area shaded and exposed to periodically damp cool weather conditions. In my experience kill the moss let it die and in a few weeks manually remove the dead moss with a soft cedar shingle it s not easy but it works.

This can eventually mean that you are having holes inside your roof so that your home is leaking. To avoid expensive repairs moss should be removed from your roof tiles quickly if it is covering a significant area of your roof. 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. Spray the moss covered roof with a moss control product or sprinkle the material on depending on the product formulation.

If you ignore the moss on your roof for years at a time you may significantly shorten the lifespan. How do i remove moss from my roof tiles.