Just so, how do you seal a subfloor from pet odor? A protective seal on your grout can help prevent dirt, grime, mold, and other things from setting in. If that was not done, you may not be able to eliminate the odor. We removed the carpet in our house. We thought it was causing a strong sour smell in the house we are renovating. It's great for walls also. Urine can be a tough substance to clean off any surface, let alone porous concrete. A horrible cat odor from the next-door (this is a row home) was suddenly getting though to our basement. Obviously all the carpeting and flooring is gone, but there are stains down to the subfloor and some of the spots are very bad. Possibly there are odor removers that have been widely used and proven to be 100% effective. Obviously you'll want to use enough so that the odor goes away, but not so much that the subfloor swells and warps from the moisture. It also keeps any future accidents where dog urine might seep in and reach the subfloor below. It would all depend on the size and degree of the problem. If installing ceramic or natural stone flooring, do not seal the subflooring with paint prior to installation. I've always heard oil based Kilz is what is used to seal smoke and pet stains. The best way to go about removing this odor is to paint or seal the walls inside your home. I … Before doing that though, try sealing it to lock the odors in. I have read that Kilz oil based will work. Concrete is a strong and porous material. Apply an enzymatic pet cleaner (like Nature's Miracle) to the soiled areas and allow them to dry thoroughly for 24 to 48 hours. There is a significant pet odor. Turns out there are primer paints specifically designed for odor blocking that work well against pet odors as well as smoke smells. Replaceing the particle board is not an option. seeping through. The odor is absorbed in the subfloor surface. #5 Paint, Replace, or Seal … The odor can be stuck behind trim or in the subflooring. Ron from Nature’s Odor & Germ was consulted and he promised he could take the odors out with his many “tricks”. A fellow in a video said that shellac is the sealer to use here. What are the options for dealing with odor in the subfloor? Smell is better but not gone. Once you tear them out, scrub the subfloor with vinegar or an odor-removing product, and install new padding and carpeting. BIN is a shellac primer and it will seal the urine odor into the subfloor and not allow it to come through. I bought a flip house that had pet urine everywhere, the house is 3200 sqft, we have cleaned the subfloors with TSP several times, the subfloor is starting to warp from the water, and have used COE 10X and Nature Miracle Destroyer,it did not remove the odor completely the smells is still there just not as strong as before. 1. This can cost anywhere from $500 for a basic cleaning and deodorizing to $1,400 or more for a complete odor … I've gone over the floor a few times with a pet enzyme cleaner, then once with bleach water and the smell seems to be lessening quite a bit, but I wanted to … How to Remove Urine Odor from Concrete. If pets sprayed baseboards and walls, these will need to … After sealing all cracks, joists and undersides of the subflooring out to 1 foot with mortar, foam, caulk, and Drylok, the smell was still as strong as ever. I use those remnants to line kitchen and bath cabinets. How to Seal Pet Stains on Subflooring. I might mention that Ron was also able to eliminate a moldy smell in another apartment a month earlier so I had a degree of confidence in his claim. Allow to dry and air out. As mentioned, the subfloor should have been painted with an oil-based primer that seals in the odor. WALTER: That’s great, y’all. After you allow the floor to dry out, seal it with a subfloor sealer. The particle board is heavily stained with pet urine. But when pet stains happen, urine can soak through the carpet and into the subflooring, leaving a stain and a stench that can’t be lifted with carpet cleaner and elbow grease. Any suggestions that help I appreciate. The first step is to treat the subfloor with an enzymatic odor remover. But oil-based primer, even though you’re not painting it as a finished surface, is going to seal in that odor. When urine, feces, and pet vomit have permeated the inner fibers of your carpeting, or the subfloor 1 below, it may require a professional to eradicate the odor, and the danger. PS. If the subflooring has a really strong odor, it may be necessary to remove it and lay new subflooring prior to installing the new carpeting. Following the directions on the container of Oil Based KILZ Primer and Sealant to seal the subfloor. When pets urinate on a concrete subfloor, the concrete absorbs the urine crystals, and the odor seeps into the floor. Should it be replaced? We put down 2 coats just to make the floor uniform but one coat was enough to magically kill the urine smell. I am rehabbing a house with pet urine stains throughout the upstairs subfloor. Even when the house is clean, and the floors are thoroughly mopped, the scent of urine remains. ... but urine soaked through the old carpet and pad and into the wooden subfloor. The backing and carpet fibers are to be cleaned and treated with a disinfectant and odor removal. The subfloor was pressboard and it was saturated with urine and pet feces odor. I just ripped up my carpet to find that I have particle board floors underneath. TOM: Alright, Walt. You could use it as an easy to clean rug. TOM: Oh, great. It will seal out every odor from pet urine and smoke to mold. Urine saturated plywood subfloor can be sealed with a couple coats of Zinnser primer sealer or polyurethane to seal in odors. If you have pet urine odor or stains in carpet and have tried using the typical cleaning products (like trisodium phosphate, bleach solution, vinegar, ammonia, rubbing alcohol, hydrogen peroxide, baking soda or others), then you should definitely try the enzymatic approach here too — just like with a smelly pee stain on concrete. Luckily, there are KILZ ® Primers formulated specifically to seal and block odors. Even with severe stains and odor? When your walls capture this dander, it will hold onto the odor and make the process of removing the pet smell a whole lot harder. If the smell is in the subflooring under carpet, the odor lingers or returns right after cleaning. This is a nice little ranch. Not sure if Zinsser is the same. I've never done this before but was wondering how easy of a process it is? I pried up all the oak flooring down to the subfloor, used Nature's Miracle (didn't work well enough) and then used KILZ water-base to seal it. 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