Growth On Roof Shingles

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

Growth on roof shingles.

Rather they are caused by a hardy algae known as. With either your homemade cleaner or a store bought option spray the. Almost without fail every photo of an abandoned house would have black streaks on roof shingles. Prune off or thin out overhanging tree or shrub branches that are growing over or next to the roof to increase the.

Using your garden hose on low pressure. How to kill moss growth on roof shingles 1. 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. Safely set up your ladder near the moss.

Black streaks on shingles aren t caused by leaking tar. Follow the store bought cleaner s instructions for how long you should leave the cleaner on the moss. Algae growth on asphalt shingles algae growth may cause discoloration on roofs resulting in brown or black streaks on a rooftop. This isn t unique to abandoned houses either.

Some roof shingle materials contain algaecides or fungicides which will also retard moss growth on the roof surface. It can happen to homes that are otherwise maintained very well but why.