Also moss absorbs water when it rains and retains it for long periods which can lead to mold bacteria and the decay of the roof s framing over time.
Moss on roof shingles problem.
What to do if you see moss.
Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association.
If you notice this grassy organism growing on your roof take action to remove it immediately.
Recognizing that you have a moss problem is the first step treating it is the second.
What you should know about moss growth and asphalt shingles.
How to kill moss growth on roof shingles.
Like leaves in your gutters moss is only a problem if you allow it to grow unchecked.
The presence of moss doesn t always mean that your roof has sustained damage especially if you catch it early.
If the moss does return do not rely on harsh chemical treatments or dry spells to kill it.
Hit the moss with a bit of water and gently scrape away the moss from the.
Honestly it doesn t hurt to try the simplest method first.
It may cause standing water.
Moss lichens algae resistant roof shingles.
Here are a few ways to remove moss from your roof.
Copper is more toxic to moss and algae but zinc.
If you notice moss in small sections you should remove it.
As i mentioned before moss typically grows in the cracks between each shingle.
If your roof or any section thereof receives limited sunlight and periodic exposure to water or damp conditions it can become an ideal breeding ground for moss.
Stop a moss problem from returning by installing strips of zinc or copper coated sheet metal just below the top ridge on both sides of the roof.
If you have an asphalt roof and want to keep it looking great and working well check out these facts you should know about moss growth and asphalt shingles.
Chemically treated roof shingles are available from several asphalt roofing manufacturers who offer these products which are resistant to moss lichens or algae growth on roofs.
Use algae resistant shingles when re roofing.
Written by roof doctor on november 28 2018 posted in roof blogs.
Chemical treatments may harm shingles as well as moss creating a more significant problem.
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.
Discuss this option with your roofer when it s time to replace the roof.
The most effective method of cleaning algae and moss from a roof is with a 50 50 mix of laundry strength liquid chlorine bleach and water.
A garden hose some water and a good scrubbing.