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.
Spray moss on roof.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
Create a 50 50 mixture of chlorine bleach and water and spray it generously on the moss.
Remove the harness system from the roof.
If you don t want to get on your roof or you are trying to save time and liability as a roof cleaner you may be wondering if there is a pump that can do the.
Spray down the roof.
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These highly effective moss products rely on ammoniated soap of fatty acids to kill roof moss and algae quickly.
Spray any plants and grass underneath the roof with water again once the process is completed.
Wet the moss by spraying with your hose.
Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water.
Doing this allows you to better see the areas that you have not yet scraped away.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
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Use a low pressure setting on your spray nozzle to avoid damaging your shingles.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
By the time you resume your next session the roof should be dry again.
Spray all moss covered sections of the roof with water.
Extended dwell times may be necessary however avoid letting.
Hose off and brush all moss loose from your roof shingles.
You can remove moss and lichens from your roof by using vinegar as a environmentally friendly weedkiller.
Scrub shingles before applying a moss remover cleaner use a scrub brush.
Spray the bleach mixture on the roof.
The bleach will kill off any leftover moss over the next couple of days.
Always work from the top of the roof downward to ensure water pours off the roof and so the water or tools won t lift and break shingles and tiles.
At the end of a session and before you take any long breaks spray down the roof to move the moss debris down to the gutters.