Moss On Metal Roof

As with anything in life the best way to solve a problem is to know why it happened in the first place.

Moss on metal roof.

Metal roofs if pitched adequately rarely accumulate moss. When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow. Carefully place a ladder near the area of moss. The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.

Moss on a roof begins with a thin dusting of green that you may notice only from low angles. In addition to mold mildew algae moss and dirt you may also find some small areas of rust or corrosion on the roof as well depending on how old the metal is and what type of metal your roof is made of. Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together. I find moss growth starts within a few years of installing a new composition roof.

Often on a metal roof the organic material that moss attaches to is pollen from nearby trees decomposing leaves or even bird droppings. Mosses and lichens grow in damp conditions. Moss attaches itself to any organic material that is available and uses this as its anchor or base for growing. Unfortunately the main problem is that a metal roof will cost a great deal more than a new shingle roof.

Some people falsely believe that moss cannot grow on metal roofing but moss can grow on steel. This thin layer on the top of the shingles expands and becomes wide thick and mat like. Hose off and brush all moss loose from your roof shingles. Remove moss and lichen from your roof with vinegar.

Other roof cleanig procedures such as power washing or sweeping are discussed and are not recommended. Moss is most problematic on composition roofs which are the most commonly installed roofs in this region. Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments. Metal roofs are highly functional and extremely durable but that doesn t mean that they are not susceptible to damage from moss.

If you re intending on keeping your house for many years the costs could end up around the same. Apply a storebought or diy cleaning solution to remove the moss. If your moss problem requires more than. Moss does not stick to metal.

Amazingly you can see this happening on metal that seems to have no dirt on it.