I have an a Lowe's ChoiceDek that is at least 10 years old in Tennessee. It has the railing too. I am not sure how many square feet it is, but half is a covered porch. The covered area does not get the black mold stains. I use to use a sodium hypochlorite based product to clean the black mold. It was making the ChoiceDek rough. I thought it might be damaging the decking. Last year, my son purchased Corte Clean for me. It worked. I just purchased more this year.
6 years ago
Corte Clean Composite Deck Cleaner has a
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