paint over treated lumbder

brownthumbiaApril 14, 2011

I really have a problem. I have a deck that was made with treated lumber. Not knowing any better quite a few years ago I got tired of the dark stain so I painted it white. Well, the paint has worn off and I really can't afford to replace the deck so I'm wondering if anyone can suggest a paint that will adhere to this lumber better than the last one I used. It certainly would help me out if anyone had an answer plus the deck needs help as soon as possible. Thanks in advance for any help you could give me. I sure would appreciate it.

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Hello brownthumbia,

My name is Christine, and I work in the paint department at The Home Depot.

I would suggest priming the surface first. Do you know if the stain that is on there is oil or latex based? If it is oil, you will have to use oil based primer, if it is latex, you can use either oil or latex.

After the primer is dry, use a paint that is specifically formulated for porches. Typically people apply 2 coats. Check on the back of the can to see how long it takes the paint to cure before you walk on it. Depending on the paint, it may take up to 3 days.

I hope this helped you out,

Happy painting!

    Bookmark   April 16, 2011 at 1:25PM
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Thanks so much Christine. I'm sure the dark stain was oil based, but the paint I used over that was latex. that may be where the problem came in. don't think you can paint latex over oil. Oh, how stupid of me. I didn't realize what I did until I just now typed it. But, I will take your suggestion and just repaint it and hope for the best. Thanks again for your help. BT

    Bookmark   April 17, 2011 at 7:38PM
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Oh G* we go again...

DO NOT PRIME A DECK if using a "Porch & Floor" PAINT!!!!

* The 1st coat of 99% of P&F paints needs to be thinned slightly to aid penetration.
* 2nd coat goes on full-strength.
* This assumes a cleaned, dried deck with little "grain-crush".

>>> How old is the deck?
>>> How high off the ground?
>>> Side(s) of house?
>>> Has the floor ever been sanded?

The ONLY floor primer I'd use is Cabot. It's one of very few out there. Check the link...


Here is a link that might be useful: Cabot's Deck & Siding primer...

    Bookmark   April 18, 2011 at 1:02AM
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Christopher Nelson Wallcovering and Painting

Well, she did say "happy painting" .

    Bookmark   April 20, 2011 at 4:51AM
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