Cold Weather Chemical Roof Cleaning Is A No-Go

In a previous post I outlined, in detail, the most effective roof cleaning chemicals and how they should be applied.  I neglected to mention, however, that these chemicals begin to drastically lose cleaning power once the air temperature drops below 50 degrees.  Therefore, winter roof cleaning is nearly impossible in most of the Midwest and Northeast.  Of course, those of you lucky enough to live down south will have more opportunities to clean your roof in the winter, but fresh sodium hypochlorite could be hard to come by.  Your best bet is simply to hold off until Spring or Summer if you can wait, not only to maximize the potency of the chemicals, but also to assure that you're doing it safely.  It should go without saying that attempting to navigate a roof or ladder when there is ice or snow is extremely dangerous.

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