This moss infestation has completely blocked the roof's drainage. It is also collecting & composting tree debris. Not only has it rendered the roof's drainage ineffective, it also poses a fire hazard in the summer. The heat from the debris & moss composting on a hot summer day can spontaneously ignite! Insurance companies have been known to cruise neighborhoods looking for this kind of thing. They will threaten to drop your homeowner's insurance if the problem isn't dealt with professionally.

We use an Eco-friendly product to kill the remaining roots & spores left behind after the removal of the moss. It is the most effective way to keep the moss from coming back. We recommend an annual, sometimes semi-annual application of this product. Once the moss has been removed, the propagation cycle must be broken.

We find all kinds of things growing in moss on roofs. Mushrooms & ferns are the most common. Fern roots go deep & can really do some damage.

Yes, we've seen worse! This is bad but, there is the occasional moss infestation that would do more damage to the roof by removal than by just leaving it alone.

It took hours of work but we were able to remove the majority of the moss! The white lines of moss killer will keep it from growing back immediately.

This is a roof that we removed the moss from. See the pitting on the roofing tile? This is from the roots of the moss eating into the tile! You can even see how some of the more aggressive moss would just not let go.

Many types of moss, lichen, mushrooms & ferns grow on NW roofs. Depending on the type & degree of infestation we may need perform multiple treatments.

It is crucial to keep this area clean! Debris & moss can easily build up to the point where trapped rain water can seep around the flashing. This can cause a leak or dry rot problem inside your home.

Based on the amount of composite particle loos on these roofing tiles, it looks like this roof has been neglected for years. This has lead to either the moss eating the tiles down to the plywood or the tile has become brittle with age & has broken off. We document any damage like this that we come across. After the job we can show you photos of the damage & discuss repair options.