Moss develops from a spore growing down into the gravel and will retain water freezing in the cold months causing damage to the tar membrane.
Moss killer for tar and gravel roof.
Safer s de moss specifically made for removing moss is still available but considered a controlled herbicide in many jurisdictions.
Baticlean cr is designed to be left upon the surface where it can help to inhibit re growth.
You can t mechanically remove this moss without bothering all the gravel perhaps even the roof.
Bonide bnd728 mossmax moss killer ready to spray outdoor algae moss lichens control.
First knock away any large lumps of moss with a brush or broom.
Walk around spraying any moss patches with your natural moss killer for lawns.
Add lime or nitrogen rich fertilizers to the grass surrounding your gravel to kill moss before it has a chance to spread onto your gravel.
Apply the moss killer.
Treatment moss killer application once the roof surface is dry spray the area with baticlean cr concentrated moss algae killer which will kill any remaining growth and most importantly kill the spores.
Maintain a consistent flow of moss killer down the line.
1 quart of warm water.
Moss favours north elevations as well as shaded well protected areas that stay damp for long periods.
Run the water for a moment until the moss killer begins to flow out.
To apply wet moss killer attach the garden hose to the container.
Zinc armor 3 inch wide zinc strip 1 roll of 50 feet prevent algae moss for roofs fungus mildew.
Mix the baking soda and water in a spray bottle and shake until the solution is well mixed.
Dispense the moss killer in lines about 2 feet apart parallel to the roof ridge.
This unsightly buildup is the main cause of deterioration.
3 tablespoons baking soda.
If you cannot find it in stores check google.
To kill the moss use a liquid moss spray.
After a few minutes hose the area down with water and check.
You want to soak the moss so apply enough cover it thoroughly.
Safer brand 5325 6 safesafer brand 32ounces 5325 moss and algae killer and surface cleaner.
Repeat until all the moss is gone.
Put water over the roof and moss and then put bleach onto the moss this will turn the moss brown in minutes.
Roof moss mold and algae on a tar gravel roof needs to be controlled as well.