I just purchased a foreclosure house, it has a major odor problem. There were lots of dogs & cats living inside. I have removed all floor coverings & underlayment. I am planning on removing all of the subflooring that I can, but along the walls, some will have to stay. Of course, the pets mostly went along the walls. I have looked a several products most of which claim that there product is the only one that works. It is very confusing to sort our all the manufacturers claims, and types of products ( chemical, enzymatic, biological). I want to have the best possible shot at killing the odor! Also, should I seal the plywood with a Kills type product once I have treated the odor?
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If a couple of applications of "Nature's Miracle" brand odor remover doesn't do it, some sort of Kilz or Kilz-type product is your only hope.
I suggest you post this on Break Time. Somebody there has likely encountered this problem before.
Warning: There was a house in our area which was eventually demolished as the odor problem was economically insurmountable. IE-Cheaper to build new.
I had a similar problem, although perhaps not the same intensity as yours. I wet-mopped the subfloor with a dilute bleach solution, soaked the affected areas with natures miracle, then shellaced the entire subfloor. I also shelaced the bottom few inches of the wall. It seems to have worked for me. The bleach step may have been overkill. I used shellac instead of Kilz because i didn't need to pay extra for the pigment in Kilz - I just needed the odor blocking properties of the shellac.
thank's Rob that is a good piont about not needing the pigment in the kills. thanks
Check your shellac. I belive that you need de-waxed shellac if you are going to use polyurethane over it.