I have been given the task of repairing and refinishing an outdoor table. The table is cedar and was finished with a polyurethane. My problem is this, the finish is peeling and there is mold over 1/3 of the table in various places. How do I remedy this?
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Replies
Polyurethane is not easily repaired. I'd strip it, apply a 50/50 bleach water solution to kill the mold, and when dry, re-coat it. The solution will raise the grain so the piece will need to be sanded before coating. Good luck!
Edited 7/29/2004 9:32 am ET by JACKPLANE
Thanks for your suggestion. I stipped and bleached the table but the mold is still visible. I also sanded and its still there. I'm stumped.
Fredg,
I guess I would try bleach a few more times before I tried nuclear weapons. If indeed it is mold the bleach should kill it and bleach it white or gray or something other than mold-color. I would put it in a dry spot, out of the sun, and give the bleach plenty of time to work before going back to the arsenal.
You didn't say what kind of poly you had used, but when you recoat it be sure you use an exterior varnish, such as a spar varnish. Spar varnish is made to remain soft and flexible so it can expand and contract along with the wood during seasonal changes. Again, not knowing what you used, it may be that your varnish cracked and that allowed excess moisture to get to the wood.
Alan
Alan, thats exactly what happend. The table was given to us so I thought I'd give it a shot. Thanks for the input. The mold is gray, but looks bad against a contrasting color.
Fred,
The mold has penetrated the cedar beyond the surface. So, I'd belt-sand the entire top until no sign of mold is visible,then bleach again as a precaution, and finish.
I am going to do that right now. Thanks Again.
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