Quote:
Originally Posted by tis
Well, we certainly had it, but then again mold can attach it self to anything. Maybe the bleach did weaken it but at least it looked better.
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The mold actually eats the pollen/dirt that is caught in the tread pattern of the decking. It will also do the same thing to vinyl siding.
It turns black when it runs out of organic matter to consumer or dries due to a lack of moisture.
The manufacturer suggestion is to wash the deck twice per year... once to remove pollen... the second to remove leaves/etc.
Spots/areas that are not responding to just hose pressure should be brushed with a soft bristle, and then rinsed.
The ''wash'' may be no more than rinsing off with the hose if no areas of concern are noted.
That process also creates the situation where the owner will inspect the deck twice per year and note any situation that might need a repair.