The secret to roof cleaning is the proper mixture of chemicals.
Roof cleaning recipe with copper sulfate.
While the recipe for cleaning a roof with bleach can vary the basic formula is.
Dissolve 1 pound of hydrated lime in 1 gallon of water.
See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof.
Step 3 apply the solution to the mildew covered area and wait for the mildew to turn brown.
Copper sulfate could harm the plant itself and since copper sulfate is mixed with lime it doesn t harm the plant and works as a perfect fungicide for plants.
We love this recipe because you can add a little bit of liquid dish soap to it and use it as a diy deck cleaner as well.
1 quart bleach 6 sodium hypochlorite 1 gallon water.
Once that s done then wet the roof with the copper sulfate solution or a stout sodium if you need to use a ladder to clean off the roof or apply the copper sulfate spray work on the ladder cautiously and use a spotter.
1 8 cup to kill the roots of the moss so you would not have to scrub the roof but simply rinse with a hose.
Continue layering the solution as needed to keep the moss damp for 20 minutes.
See the before and after shots 1 day after fohman applied the 4 copper sulfate to the roof.
Those will provide a residual effect to kill off the remaining growths plus any.
I have over the past 25 years been cleaning roofs and have experimented with just about every product available from chlorine to sodium hydroxide to copper sulfate.
Rinse your roof with cold water.
Don t walk on a moss covered roof cleaning.
Residential commercial pressure washing huntsville al.
Having read the articles pertaining to roof cleaning i find that most have no clue what they are talking about.
Spray copper sulfate over the moss affected roof using a garden or hose end sprayer blending and applying the material at a rate of 1 4 to 1 2 ounce of material per 10 gallons of water.
Once that s done then wet the roof with the copper sulfate solution or a stout sodium metasilicate solution then walk away.
Dissolve 1 pound of copper sulfate in 1 gallon of water.