Decks, Patios, Porches and Docks - Trex decking....Black spots

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johnam
10-23-04, 02:30 PM
What are the black spots that appear on my Trex decking and how do I get rid of them. Thanks

lefty
10-23-04, 05:16 PM
Mildew. (You probably have the Natural color)

Oxygenated bleach and a scrub brush.
johnam
10-23-04, 05:29 PM
Lefty, is the natural color (wood tone) the one that turns gray? If it's so, that's what I have. What is Oxygenated bleach? Thanks for your help.

fewalt
10-24-04, 05:09 AM
Use Oxy-Clean

fred
Everett Abrams
10-27-04, 12:10 PM
Not mildew. Tannin bleed from the red oak which makes up about 50% of the composition of this product.
johnam
10-27-04, 02:56 PM
Everett, I just contacted Trex and they tell it's mildew. I will now ask them about the possibility that it's tannin bleed. I'll let you know. Thanks
Everett Abrams
10-27-04, 04:56 PM
This why they have class action lawsuits filed against them. I have worked with these folks and their R&D Department. They know exactly what it is. Feel free to email me if you need help with them. eabrams@deckrestorationplus.com