Growth On Roof Shingles

Sweep or hose off leaves branches and any other debris that accumulates on the roof regularly to avoid retaining.

Growth on roof shingles.

Some roof shingle materials contain algaecides or fungicides which will also retard moss growth on the roof surface. On an asphalt or possibly some treated wood shingle roofs shingle chemistry is also involved in moss lichens and algae growth or resistance to it. This isn t unique to abandoned houses either. Almost without fail every photo of an abandoned house would have black streaks on roof shingles.

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. Safely set up your ladder near the moss. It can happen to homes that are otherwise maintained very well but why. Follow the store bought cleaner s instructions for how long you should leave the cleaner on the moss.

Black streaks on shingles aren t caused by leaking tar. Algae growth on asphalt shingles algae growth may cause discoloration on roofs resulting in brown or black streaks on a rooftop. Algae may be mistaken for soot dirt or tree droppings most of which typically produce only localized discoloration. With either your homemade cleaner or a store bought option spray the.

Using your garden hose on low pressure. Rather they are caused by a hardy algae known as.