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Old 08-12-2014, 07:04 PM   #1
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Need some help with pee stained plywood.


Hey friends, I am working on getting this one room in my new house fixed up. When I went through my initial walk through the home had no foul smells at all. When I take ownership the first thing I notice is one bedroom STINKS of cat pee. I ripped the carpet up in that room and I'm planning on replacing the plywood floor in the bad areas, my only issue is I have one area that saturated that I won't be able to cut out completely. It's in a closet with makes this more challenging. There is NO SUBFLOOR to remove here, only 3/4" ply ontop of joists. My plan is to just cut that area out as far as I can go and spray paint it with kilz oil based paint, and really saturate it. Not just from the top, but the side as well. I have had experience doing this sort of thing when I worked in the construction trade and never had a call back, but always wondered if it actually contained the smell for good, and is there anything else I can do to further contain the smell, and make sure that this will be the end of my issue. Thanks in advance for advice.

-Vinnie
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Old 08-12-2014, 08:00 PM   #2
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I have heard of a enzymatic solution that you can use to kill the odor. Other than that I have heard of people using a shellac primer zinnsler to cover it . Bust I have never had this issue personally.

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Old 08-12-2014, 08:07 PM   #3
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I need the name of a good enzymatic solution in that case.
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Old 08-12-2014, 08:34 PM   #4
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Shellac will seal it better than oil.
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Old 08-12-2014, 09:19 PM   #5
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Vinnie,

Quote:
Originally Posted by Vinnie
There is NO SUBFLOOR to remove here, only 3/4" ply ontop of joists.
The 3/4" ply is THE subfloor, anything above it is an underlayment.

According to Mr. Zinsser the best pet urine sealer is their; B-I-NŽ Advanced Synthetic Shellac Sealer Clear.

Get this one specifically, they have several others that mention shellac and sound similar. The others claim to block pet odors, this one claims "pet urine".



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Old 08-12-2014, 09:32 PM   #6
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Thanks! That seems like the one.

What should I clean it with before hand?
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Old 08-12-2014, 10:28 PM   #7
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Clean what with, the plywood? Is it dirty? If so, mop with cleaner then rinse well. Use two separate mops and pull rinse strokes towards you, not back and forth.

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Old 08-12-2014, 11:35 PM   #8
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The cleaner is natures miracle found in pet supply section. Claims too be a urine destroyer. :-)

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Old 08-13-2014, 03:10 AM   #9
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I wish I could remember the name of the product, but when I had a similar problem I had some success with a white primer sold for sealing in smoke odors during post-fire rehab.
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