For heaver growth re apply after one month.
Roof moss treatment products.
If your roof is suffering from not only moss but other unsightly growths and pollutants our roof clean xtreme60 product could be the answer.
In severe cases it may take more than one bleach treatment to kill all of the moss.
Just dilute and treat the affected area.
Hose off and brush all moss loose from your roof shingles.
Opt for the least toxic moss killer.
Chemicals that kill the moss or lichens on roofs can be effective as we illustrate below for a roof located in seattle where the homeowner applies corry s moss b ware treatment as a granulated powder sprinkled on the roof along the ridge line.
Chemical solutions can adversely affect the environment as well as damage foundation plantings growing beneath roof overhangs.
Dry powder moss killers being hands on products force you to go onto the roof and take stock of the moss problem.
For patios and driveways where moss growth is often lighter just apply at the suggested rate.
Once the roof is moss free an occassional treatment with mossclear will avoid further problems in the future.
Some of the professional moss killing chemicals can keep a roof completely clear of moss for around 3 years without another treatment.
For best results on a roof first scrape off any excess moss.
With either treatment method some moss will slough off naturally as it dies.
Results are usually seen in 2 3 days.
Manually removing the moss on roof and using household products won t last as long but don t cost as much to do so if you don t mind going up on the roof this might be the option for you.
If you decide to use a bleach solution or other readymade roof moss treatment protect nearby plants with plastic sheeting.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
Products containing d limonene citrus oil are also effective at killing existing moss.
However dry moss killers can be difficult to dispense evenly and they can leave white streaks that sometimes remain on the roof until several hard.
Moss will loosen over time and may be removed with a leaf blower.
This allows you to view the moss in advance of the removal process that follows.
For treatment use baking soda when rain is minimal and allow several weeks for the moss to die.
Unlike other inferior moss treatments this product won t clog up a watering can or sprayer.
