A simple mixture of bleach and water will kill the moss causing it to dry up release from your roof and blow off in the wind.
Roof moss growth mitigatation.
The roots then can lift up the shingles on the roof.
The resulting constant exposure to water can degrade shingles.
Hose off and brush all moss loose from your roof shingles.
To apply wet moss killer attach the garden hose to the container.
Moss thrives in damp moist areas including roofs that are north facing or shaded by trees.
In the case of cedar roofing a wet or moist roof can eventually lead to issues like rot mold and mildew.
The moss will absorb the damp environment s moisture and establish roots on the roof.
This causes the roof to start degrading.
Likewise moisture that is held by lichen or moss can freeze in cold weather and cause cracks in your roofing much like potholes that form in roads.
Moisture and organic debris.
The more water and the more debris the greater the chance of moss growth.
Causes of moss or lichens growth on roofs moss growing on any roof surface will be more severe on roof sections that area shaded and exposed to periodically damp cool weather conditions.
Severe moisture can even go through the roof and flashing and into the home where mold can continue to grow.
The constant moisture can result in mold and bacteria growth.
Moss growth will also interfere with proper drainage of water off the roof as water needs to trickle through or around the moss instead of running straight down to the gutters.
Moss algae and lichen grow on your roof through a combination of two things.
Another critical factor is the amount of shade your roof receives.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Moss grows something known as rhizoids which basically act as roots.
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.
These can find their way under your tiles or tiles and force them to warp shift or crack.
Because moss grows in moist humid areas it can also be a clear sign of water or moisture damage on the roof.
To apply dry powder moss killer place an extension ladder against the house and climb to the roof.
When it rains moss will soak up water and retain it creating consistently wet conditions on your roof.
Moss growing on a roof may or may not be considered attractive or quaint but there is no doubt that extensive moss on a roof can seriously damage the roof by growing under and raising or loosening.
