Growth On Roof Shingles

Once under the shingles the moisture can reach the underlying structure.

Growth on roof shingles.

How to kill moss growth on roof shingles 1. Follow the store bought cleaner s instructions for how long you should leave the cleaner on the moss. Safely set up your ladder near the moss. Using your garden hose on low pressure.

Algae may be mistaken for soot dirt or tree droppings most of which typically produce only localized discoloration. Black streaks on shingles aren t caused by leaking tar. Some roof shingle materials contain algaecides or fungicides which will also retard moss growth on the roof surface. 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.

Rather they are caused by a hardy algae known as. This isn t unique to abandoned houses either. Almost without fail every photo of an abandoned house would have black streaks on roof shingles. 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.

Algae growth on asphalt shingles algae growth may cause discoloration on roofs resulting in brown or black streaks on a rooftop. Prune off or thin out overhanging tree or shrub branches that are growing over or next to the roof to increase the.