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.
Moss on roof shingles treatment.
If possible remove excess moss with a rake or broom first.
How to kill moss growth on roof shingles.
You ll get the best results if moss is damp but no rain is forecast for a few days.
You want to soak the moss so apply enough cover it thoroughly.
The heat of the sun will help to dry out the moss quickly.
If the moss does return do not rely on harsh chemical treatments or dry spells to kill it.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Walk around spraying any moss patches with your natural moss killer for lawns.
Work on one small section at a time which allows you better control of the brush and your scrubbing motions.
To apply dry powder moss killer place an extension ladder against the house and climb to the roof.
Use algae resistant shingles when re roofing.
Maintain a consistent flow of moss killer down the line.
Discuss this option with your roofer when it s time to replace the roof.
Dispense the moss killer in lines about 2 feet apart parallel to the roof ridge.
Hose off and brush all moss loose from your roof shingles.
To prevent moss from returning cut back any limbs that overhang the roof or install strips of copper or zinc along the ridge.
Dead moss must still be removed by hand or it will impede the flow of water off the roof and create issues.
Chemical treatments may harm shingles as well as moss creating a more significant problem.
In severe cases it may take more than one bleach treatment to kill all of the moss.
Moss lichens algae resistant roof shingles.
It is best to work with nature for optimal results with this natural moss killer for lawns so do this on a warm sunny day.
Since the treatment for moss is similar to that for algae stains refer to our article on how to remove and prevent algae stains on asphalt shingle roofs for more details.
It may cause standing water.
To apply wet moss killer attach the garden hose to the container.
Moss grows very little in summer but it kicks into high gear during fall rains moderate winters and early spring months.
Never use a pressure washer to clean an asphalt shingle roof as this w ill cause granule loss and very likely premature failure of the roof system.
Moss will loosen over time and may be removed with a leaf blower.
Run the water for a moment until the.