Concrete adding a moss killer industrial not diy store is still only going to prevent moss coming back within 18mths 2yrs.
Using a x jet for roof cleaning.
Some contractors when working on residential flat work like driveways and sidewalks will use the x jet nozzle to broadcast chemicals across the surface.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
This gives it great cling to the surface during.
Of liquid dish soap and spray from the roof top working your way down.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Don t clean your roof when it super hot out in the baking sun.
This is the best way to clean a roof if you have asphalt.
The x jet nozzles are affordable.
Use a three gallon pump sprayer use one gallon of sh and two gallons of water h2o add about 4 oz.
Yes you can do it with an x jet.
Read on for our best roof cleaning tips.
We use our house roof was h and the soap mixture gets a little foamy when applied with the x jet nozzle.
I would suggest one that has the screw in tip for light spraying for areas that you are spraying that are close to you.
For under 300 dollars you can be up and running with a roof cleaning set up hose pump and all.
Of laundry strength liquid chlorine bleach and water.
Aqua jet make it clean.
I do not want to waste bandwith posting what we recommend if you are committed to trying to get the x jet to work but just ask and i will post what we currently suggest for new roof cleaners to use.