Urine Stained Subfloor? - Fix - Flooring - DIY Chatroom Home Improvement Forum

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Old 08-11-2009, 06:15 AM   #1
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Urine stained subfloor? - fix

Here goes.

Good 15 years ago my parents & I redid my back addition. Made the hallway and bedroom into one room. Room had wood flooring. Hallway had linoleum ontop of original flooring. Layed down like quarter inch ply in the bedroom over top of the wood flooring just to level it out with the flooring in the hallway. Carpet over that.

Years passed, dog passed . Dog in his later years pissed alot back there. Lately the humidity was rising up through the floor and starting to stink ( there is about a 2 ft crawlspace under the room since it was an addition )

Took up the carpet this weekend, could see the piss stained spots on the 1/4" that I laid. Its been hot so I have the air running. Needless to say the piss stained the ply we layed and it stinks...worse then when the carpet was on it.

Now what are my options?

I am thinking two things.

1. pull up the old ply in bedroom, lay new sheets down, killz it, carpet it.

2. killz bedroom

3. pull up old linoleum in hallway + ply in bedroom, lay new ply , killz it ( or whatever is suggested here to use ), carpet.

Now, opinions on this is what I need. What type of killz? Another sealant? A cleaner even?


cornbread09 is offline   Reply With Quote
Old 08-11-2009, 06:28 AM   #2
Join Date: Dec 2008
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If everything is old, I would tear out down to the subfloor, seal the subfloor w/shellac, then build back up, depending on what the top floor covering is.


Just Bill is offline   Reply With Quote

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