Why Is Moss Growing On The Roof Of My House

Moisture and organic debris.

Why is moss growing on the roof of my house.

Moss is common in rainy environments because it loves moisture but it also loves humidity and many roofs are humid because of heat escaping the house sunlight hitting the roof and so forth. However it is important to keep this in perspective. The moss will absorb the damp environment s moisture and establish roots on the roof. Hose off and brush all moss loose from your roof shingles.

Another critical factor is the amount of shade your roof receives. Moss algae and lichen grow on your roof through a combination of two things. 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. If sections of your roof are under heavy tree cover these are prime spots for moss to thrive.

Moss tends to form in areas where it is shielded from the sun. When shade and cool moist conditions combine moss or lichens growth on a roof surface is more likely. 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. This causes the roof to start degrading.

Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection. But you don t want it growing on your 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. Moss growth is especially common on the north side of homes as this surface receives the smallest amount of sunlight during the day.

This can lead to roof leaks. If you live in an area with lots of shade from trees and buildings the moss can thrive even more. Moss growing on a roof may or may not be considered attractive or quaint but there is no doubt that extensive moss on a roof can seriously damage the roof by growing under and raising or loosening. If moss is left unchecked moss will trap water on your roof and inhibit proper roof drainage.

Minor moss growth is not a problem and i have seen some roofs damaged prematurely by over maintaining a roof with chemicals and scouring. Moss grows on roofs because it thrives in damp shaded environments with lots of moisture.