Remember..... 90 % of the dirt will just wash off with a hose.
To clean off the "green" algea I use 1/3 clorax and 2/3 water....then I add about 1/2 cup of Cheer laundry soap. After I rinse off the siding I spray down a 20 foot area with a garden sprayer. Then after a couple of minutes I brush it down with a broom....just to be sure all the dirt is lossened up. Then rinse it off and you are done.
Wear some old clothing...... even diluted clorax will leave spots on clothing.
Yes, there will a little chalking, but I have been doing this for 15 years [~ once per year] and can not see that there is any damage.
If there are plants around where you need to wash.....wet them down first and rinse them off right after you spray. This will keep the wife happy. Chlorax is not good for the plants.
I can do the whole house in 3 to 4 hours.
Anyone got a good way to clean of the roof shingles?
Even using 100% clorax does not do a very good job and I don't think it is good for the shingles.
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