Stinky wood porch
+19
Recently purchased our home. We recently tore some OLD outdoor carpet off the back porch. Home had been vacant approx. 5 years. Old! Musty! Cat pee! Stained!
Have powerwashed. Still smells. Will sealing it with a solid stain help get rid of the BAD smell? Ideas and any help is appreciated. Thank you
Have powerwashed. Still smells. Will sealing it with a solid stain help get rid of the BAD smell? Ideas and any help is appreciated. Thank you
16 answers
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Maybe try using bleach first to aid in the removal of the odor.
Janet Pizaro
on Sep 15, 2016
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you must dry the area very well with a fan. Then apply a stain/odor blocker sealer like Zinsser Mold Killing Primer. It is expensive but it works!!! It stops odours, kills mold etc. If the porch boards have spaces inbetween you will have to try to use a smaller brush to coat the edge of the boards. Good luck
Susan
on Sep 15, 2016
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Concrete is porous and the cat urine penetrates it. I have seen a recipe that include hydrogen peroxide, baking soda and dish soap - but I don't know if it works. The best thing would be for the sun to help air it out, if possible.
Cindy Hagemann
on Sep 15, 2016
- See 1 previous
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Stain and use polyurathane
Jpy11082745
on Sep 16, 2016
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white vinegar
Julie M
on Sep 16, 2016
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You must clean your wood really well, before doing any sealing or painting. The reason why, it that the mold, mildew, bacteria, etc, are the cause of wood rot. If you seal over them, they will just continue to happily munch away at the wood under the paint. A gallon of water to a cup of bleach, will kill most of the micro organisms in the wood. Mop it on and leave it to dry in the sun. You might want to do this a few times. Then power wash. For the cat pee, white vinegar, full strength, works miracles on any nasty smells. All this washing and scrubbing, might raise the wood grain and leave your wood a little rough. But, a light sanding will make it smooth again. Your porch should look almost new, and be ready for the finish of your choice. Good luck, it's going to look great.
Lee
on Sep 16, 2016
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Wash it with white vinegar for better results scrub it in with a broom and use baking soda on badly stained areas
Raquel
on Sep 16, 2016
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The smell is coming from bacteria from the cat urine, I would use a strong solution of bleach water. Pour it on, scrub in with a brush or push broom and let it stand for at least an hour. Wash with clear water. This should get rid of the smell by killing the bacteria. Once that's done you can paint it, seal it or leave as is. Good luck.
Pamela Robertson Pullmann
on Sep 16, 2016
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Might also think about what is under the porch. If there is dirt the urine possibly soaked thru and that needs to be addressed also.
R Walter
on Sep 16, 2016
- See 1 previous
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White vinegar and baking soda. Scrub scrub scrub!!!
Piper Klausmeyer
on Sep 16, 2016
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Use Zinsser B-i-n primer odor blocker .Expensive but well worth the price . Used it after moving into a older home and found a corner that cats had urinated in !!
Felecia Hernandez
on Sep 17, 2016
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Try Grease Light . You can find it at most home improvement store ( like Lowe's ). I love this stuff.
Pat Zagami
on Sep 17, 2016
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Stain or paint, the cover with polyurathane
Jpy11082745
on Sep 17, 2016
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I'd certainly check under the the floor in the crawl space 1st and remove any possible problems there, and then put a good 6ml vapor barrier down. Unfortunately the amount of time that has occurred with the carpet trapping the cat urine etc in place I would not be surprised that the wood flooring may need to be replaced. If you pressure washed it you probably inadvertently re-activated the cat urine in the wood. Once wood has had an opportunity to soak in contaminates or stains, or chemicals it can have lasting effects. In my remodeling business iv'e had to deal with this in other areas such as long-term leaking toilets , under the kitchen sink cabinets, and shower or laundry room leaks that have soaked into the floors. Believe me each one has it's own " Wonderful" Aroma!! You didn't mention what kind of flooring, whether it was, solid wood boards, plywood, chipboard. Each type will have it's own side effects and odor holding power!
Galen W. Yoder
on Sep 17, 2016
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The vinegar idea will help with some of the odor issues, and Zinsser primer is awesome...but since this house has sat vacant for some time and the urine has had time to be become part of the wood...you will notice that the urine smell will come and go with temperature and humidity changes. it would be best to remove the wood if possible and start fresh.
Tina
on Sep 20, 2016
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Marine Varnish the only thing that will stop the odor. My friend had this problem and this solved it.
Pat Zagami
on Sep 21, 2016
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