Moss On Metal Roof

Hose off and brush all moss loose from your roof shingles.

Moss on metal roof. Mosses and lichens grow in damp conditions. 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. Moss attaches itself to any organic material that is available and uses this as its anchor or base for growing.

Often on a metal roof the organic material that moss attaches to is pollen from nearby trees decomposing leaves or even bird droppings. Some people falsely believe that moss cannot grow on metal roofing but moss can grow on steel. The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded. However this is offset by the fact that a metal roof will rarely need to be replaced.

Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments. Moss does not stick to metal. Unfortunately the main problem is that a metal roof will cost a great deal more than a new shingle 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 a roof begins with a thin dusting of green that you may notice only from low angles. Carefully place a ladder near the area of moss. Metal roofs are highly functional and extremely durable but that doesn t mean that they are not susceptible to damage from moss. Remove moss and lichen from your roof with vinegar.

Moss is most problematic on composition roofs which are the most commonly installed roofs in this region. Other roof cleanig procedures such as power washing or sweeping are discussed and are not recommended. I find moss growth starts within a few years of installing a new composition roof. 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.

Amazingly you can see this happening on metal that seems to have no dirt on it. Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together. If you re intending on keeping your house for many years the costs could end up around the same. Hose off and brush all moss loose from your roof shingles.

The biggest difference that you ll find is that metal roofs don t tend to stain from blue green algae or grow moss as frequently otherwise you ll see the same types of dirt.