Moss Growth On Roof

Moss growing on any roof surface will be more severe on roof sections that area shaded and exposed to periodically damp cool weather conditions.

Moss growth on roof.

Zinc strips usually last for 1 year and work best if started in a moss free environment. Moss is a plant without roots. If you ignore the moss on your roof for years at a time you may significantly shorten the lifespan. Remember that moss growing on your roof can cause damage down the road and is best treated in the early stages.

When moss covers the roof however it can trap the moisture preventing it from properly evaporating. This thin layer on the top of the shingles expands and becomes wide thick and mat like. Moss on a roof begins with a thin dusting of green that you may notice only from low angles. When it rains zinc is released onto the roof and powerfully inhibits moss growth.

The presence or absence of much sunlight on a roof surface is often a determining factor in the amount of moss or lichens growth more sun less moss and lichens. The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded. Dangers of moisture when excess moss growth causes moisture to remain trapped on a roof the shingles themselves can weaken and rot over time. This means that it needs flowing water in order to reproduce and survive and provides a great indication as to why you won t find moss on an area of a roof that receives a large amount of sun.