In my area it's $2. Some are great at blocking odors and others aren't (and are good for different things). If you dedicate yourself to doing it from start to finish you need about 3 or 4 days to do a 3 bedroom house properly. I guess you could try putting laminate foam down, but I’m not sure how well that would My house is a 1940 San Francisco home and the hardwood is 5/16" x 2" planks, per his (or floor sub) recommendation for downstairs we put 3/4" x 2-1/4". Cost of installation South Shore MA. I would have loved to refinish my wood floors from the 40’s but there was no way. I do kind of feel called to paint it with a coat of Kilz Odor Killing primer. My questions: can this sub flooring be salvaged with Kilz? If so, how much do I need to get? Lastly, how long to dry? We’re having hardwood installed on Friday… We want to know if we should entirely replace the wood framing, siding, floorboards etc as the water damage was extensive, or if painting over with Kilz should be enough before we put up new dry wall. You’re laying new hardwood on top, it’ll cover up the subfloor and you won’t see the stains. 1T powdered Tide in 1 gal boiling water. I added a picture. My contractor says it’s not mold and wants to start building right away but I’m sure they are just saying that to keep on schedule. I just did Bamboo in our whole house for 2. The paint has not adhered well at all and started peeling after a month. 00 a square before install. Had something similar happen to me. • 8 yr. Be very careful of the level of adhesion the tape has. It is water-based and has virtually no smell. The only thing I thought of could be something that . Keep going until yellow quits fizzing out of the wood then put a fan on it until it's nice and dry. Previous owners had lived here for 20 years. Spray it with kilz and reinstall. Shouldn't have an issue if you use a quality water based stain. I'm concerned that the smell of my dogs has permeated the carpet padding and into the This. I'd put carpeting back in the master and 2nd bedroom and put a drop in floor on top of the original hardwood floor. Waited until the paper towels dried and then let the wood dry out. My question is: we're carpet on top of unfinished hardwood on top of plywood subflooring on top of a crawlspace. Bought this house 2 years ago. Clean floor with Murphy’s Oil wood soap. The 1000sq feet consisted of two bedrooms, closets, hallway, living room and kitchen. Good engineered hardwood is as good or better than solid hardwood, while cheap engineered is absolute shit that amplifies all of the disadvantages of wood flooring x10. Also, lay down and staple red rosin paper, it helps with squeaks and dirt. The sub floor has some areas that are very soaked through with pee, and some that are more shallow. Let them soak and you can actually see the pee and poop absorbed into the paper towels. Our hardwood kitchen is a pain to clean and keep dry. We are using Anti-Icky-Poo and, I can tell you, it works. 5" engineered hardwood in my home, I have purchased Bostik Green Grip to glue down the flooring. Buy that, not just any Kilz. This is located in a bedroom. Award. From a flooring company's perspective, the main advantage is that engineered hardwood floors are more stable than solid. The floor isn’t soft, but there was one small spot with some mold where the padding stuck to the subfloor. House built in 1958. I don’t know much about concrete stain and I don’t know if it will go over an oil based primer, but I know they make a gray one. I'm not pulling up the hardwood because, frankly, I don't want to. Drying and Ventilation. However, you should also invest in a few water alarms. I live in a small apartment, maybe 600-700 sq feet and 90 % hardwood floor. A lot that are intended for wood working are too hard, and when the floor expands the boards will get crushed as they press against the filler. What are some options i have to clean the stair subfloor? Rest of the rooms were all primed and sealed. Kilz has slightly higher ratings. Mar 16, 2020 · It tackles tough stains and seals persistent pet, food and smoke odors. BM bath and spa only comes in matte btw. A cat peed on some hardwood floor boards. First step is to clean the floors. I’m thinking about putting Kilz paint over the entire subfloor of my house before building back over it with new flooring. Sounds like I really need two things. If urine is soaked into wood or carpet the smell is never going to come out. So I cut and pried up the boards until I uncovered the perimeter of the dried cat pee (see image). I bought a condo that had a bad dog urine issue. Latex Kilz is worthless for sealing stains/odors I would install some plywood underlayment to smooth the floor if necessary but 3/16 over 10' is radically flat, For God's sake it isn't a piano. Two coats. You might be able to seal it with Kilz if the damage isn't extensive. I have 3/4” osb as a subfloor. If you want a single component product find some silicone acrylic concrete stain like Tuff-top or H&C they are xylene based. close to exact with match staircase and baseboard trim. I'd like to use wax oil but am not sure if I can apply it without a buffer (I'm doing all of it with small hand tools). I was quoted $5,600 just for installation. There aren't any obvious odors, but the carpet was stained in places and I don't need MY pets smelling that stuff. I think Bin shellac based primer works much better than the S-W shellac based. Uprights that you can turn off the brushroll can also do wood floors but some cheaper uprights the brush spins all the time. Unless the subfloor is seriously uneven and it can't be corrected reasonably by screwing it down into the floor joists the installer will likely just lay the hardwood over minor uneven subfloor. Oil soaps were designed for use on bare wood NOT wood finished with polyurethane like most floors today. I need to coat it with something to seal it. I was going to throw down some carpet tiles until I can afford to finish the hardwood throughout (half their room is an addition) But obviously I found the pee has soaked through to the subfloor. It can also be used to block odors from subfloor when replacing carpet or wood flooring. Brush on only the edges, backbrushing as you go and keep a wet edge by working quickly or with a helper. Our top recommendations are usually Bar Keepers Friend (great for kitchen surfaces), melamine foam (Magic Erasers), Murphy's Oil Soap (wood cleaner), and Nature's Miracle (enzyme cleaner). White paint. If that works just dampen it and use a plastic putty knife to scrap off as much as you can. If there are any spills, this will help keep it up top, and assuming you can get to it quickly it will minimize damage. Hardwood looks awesome til the ice maker leaks. Use an enzyme cleaner on the boards (and let them dry FULLY) before the kilz oil based though. Can be finished, or overlayed with another floor. Anyway, it turned out the white oak flooring downstairs ended up darker than the I have a question about my subflooring, I recently ripped up the carpet in my kids room, the cats have peed everywhere in one end of their room. Reply. Rub it with a damp rag to see if water will soften it up. Deep and ultradeep colors, especially reds and yellows, are notoriously hard to cover. It will likely be cheaper to refinish the hardwood than to install high quality LVP. If it is hardwood do you think it could be refinished? Thanks! This mix IS hard on my laminate flooring in the kitchen, but the 100 year old wood floors have no problems. pour enzyme cleaner again, letting it soak in to concrete. Its a good weekend project plus 2-4 days dry time. Wood absorbed it before we detected the smell. No need to kiltz the floor unless your covering something. Make sure you use cleaners appropriate to the surfaces you are working with and follow all safety labels. The full curing time may take up to 30 days. Over time, cars and bikes will go over it and will turn it gray. A floor washer would push it? Where as your Tineco would pick debris up and wash the floor? I was looking at Miele C3. I ended up getting impatient and just threw down some cheap underlayment to have a better working The house was on the market for a year, even though the market was hot, so the price was amazing. How long until pets can walk on kilz treated floor? We did a coat of Kilz on our concrete subfloor yesterday in preparation of new flooring going down. The rest of the house is hardwood. I know mine were stripped and refinished before I moved in, and my landlord recommended the vinegar solution for their care. I'm sealing the walls with Kilz Oil Primer to help trap in the odor, but I also have a Red Oak built-in bookcase that got hit pretty hard on the bottom shelves. One note from my experience: killz mold and mildew took an extraordinary amount of time to fully dry. We applied three coats, allowing at least one hour in between coats. I am installing 1/2" x 7. I think I have three possible options now. Every hair and speck of dust could be seen. Buying the flooring nailer is worth it. With solid hardwood flooring, typically between floors (basement/upper floor) the ceilings are insulated before drywall if the customer is worried about sound. All toilets sweat, but all toilets generally do not cause this. close color match staircase, remove base trim and replace with new baseboard. ) Apply oil with a lint-free felt pad or squeegee. HeedJSU. This way you don't have to worry about moving furniture all the time or about the odor the finishes can have during application and drying. Leaves you with limited options, but I think you should refinish. After 3 minutes, lift up the mop and move it to the next stain for another 3 mins. Sometime it works, sometimes it doesn’t. Go over the floors 2-3 times, until mop water is virtually clear after rinsing & wringing several times. Sometimes they lay underlayment under hardwood flooring, so in that case you have two layers going on top of your subfloor, so even more of a reason to leave it alone. You want to stop the action from going on under the primer. Also be sure to stay away from Murphy’s oil soap on wood floors because it creates a waxy build up over time that is impossible to remove except for sanding. Plus $0. Sep 14, 2022 · Using Kilz On The Subfloor. We used hard wax on our floor and skipped the buffer [no Pulled up a corner of the carpet to see what was under it and saw this. for smells? Kilz latex is worthless. Neither the floating floor or hardwood floors were worth saving. ago. When I’m done scrubbing & scrapping I clean the floor with a mop & floor cleaner to pick up all the loose paint spots. Yes, In my life I have laid self stick tile 4 times. No smell? no need for sealer. You will be satisfied but it won’t be cheap. If there's no more moisture. Good water based like Bona Mega is generally best. If your next painting project includes tackling lingering odors, you can breathe easy knowing that KILZ primers can help you get the job done. I just want to be absolutely sure before building back over it with new flooring. 19K subscribers in the HardWoodFloors community. I'm refinishing my hardwood floors (decided to keep them after the post asking about new floors) and am trying to decide if I should use poly or wax oil to finish them. Shellac is the best odor sealer. I painted my subfloors with white zinnser/kilz before installing hardwood, it was a filth magnet. Avoid HD or Lowe's brands. The previous owner had carpet and pets, and I want to put down some Kilz on the subfloor to seal odors. You can find some good comparisons on YouTube. Dump it on the floors liberally and let it dry naturally. Just for basic wall/ceiling repainting. Using the proper roller cover will be key to ease of coverage. Then redo carpet. We are getting ready to lay down hardwood floors. Mop it up and do it again with a new bottle. Use Kilz if it bleeds through. However, as with any material, mastering Kilz requires precision and expertise. KILZ gets a lot of love, but Zinnser BIN seems to be the gold standard. Add 1/4C bleach if you want to disinfect. Hardwood is for people who will own the home 20-30 years and live in it. Kilz Original is effective and will block stains and odors. KILZ Restoration advertises as being able to seal pet odors. I've let hydrogen peroxide sit on the boards then scrubbed, then let Nature's Miracle enzyme solution sit on it. Open the windows, open the door, use the exhaust fan. Did the trick lol I did this in my house and it worked well. The darker spots, to be honest, they will soften, but won't completely go away if they are pet urine. We’re trying to minimize the red tones, and the patterns. I’ve seen to many jobs where some contractor used blue painter’s tape to hold down paper/plastic just days after final coat and upon removing it the finish just rips right up. We just removed a 60ish year old sheet vinyl on 1/2" plywood underlay install from one of our Hello All, I am preparing to lay solid hickory floors in my home. Zinsser 123 is a bit more expensive than Kilz 2 All Purpose formula ($33 vs $24). I m thinking of having them cut out the part they painted with Kilz and put something else there. It means the wood isn’t drying out well underneath and the best way to combat that is with airflow. Their website had a list of which are specifically for blocking odors, and the Restoration primer has top billing there. Run it all the way to the edge. They are cheap and can be placed behind the fridge and under the dishwasher. I can’t install the baseboard till after the flooring goes in and it takes about 4-5 weeks to get the flooring. I threw out the plank flooring and painted the hardwood floor with a heavy coat of kilz primer. We also had them do a sample of Natural Seal, with Classic Use Bona Hardwood Floor Cleaner and a dry mop. Over the long run you can sand down and stain the floors changing colors from light to dark or reddish, goldish, or blackish with different stains as your tastes change over time, without the additional costs of buying a floor every 5 years. The notion that oil based is superior for durability is very out of date. Hopefully pee smell is gone, or nearly so. though original kilz comes close. This opens up the woods pores to absorb the oil 4. I'm finding so much conflicting advice on using primer to seal in odor in concrete floors. I have had hardwood in a few kitchens in different homes. From what I can tell, the radiator used to be hot water (currently are steam), and had some kind of leak, leading to this water staining and damage of wood. Kilz is well suited for subfloors made of hardwood, plywood, and other organic materials that get stained easily. Shellac all the way. If it’s in the subfloor, replace that too while the floor is up. If it doesn’t you’ll need a sand and refinish. Before applying any paint on the subfloor, it is advisable to check the make of the paint. The best paint is Benjamin Moore bath and spa its also the most expensive. Some product variations can aid in preventing the growth of fungi Pictures are preferred. Just had new hardwood floors professionally installed. Discuss all types of hardwood flooring here Jan 4, 2024 · Kilz paints generally have a drying time of 1-2 hours, but it is recommended to wait at least 24 hours before heavy foot traffic or placing furniture on the freshly painted basement floor. Anything else I should know? If you go with a good paint that's styrene acrylic or 100% acrylic you can use pretty much any sheen you want and it'll be fine. We're going to be redoing all of the flooring on our kitchen level (of a tri-level house), so we're going to remove everything and rip up the current…. One guy would use the big sander and another would hand sand the hard to reach spots. Let sit for 1 hour and wipe it up. The third time, I was 16 and my dad was out of town, so I was working on my own. 40/sqft Sand the floor with a stand up buffer/sander rental from home depot. It has been drying now for 14 hours and the fumes are nearly gone. 3. Do not use Bona, Murphy's or any squirt+mop product. Low adhesion tape Don’t leave it attached long. Ripped the wood flooring out, few applications of enzyme odor remove then a few coats of zinser shellac primer and once that dries tar paper and 3/4” plywood. Don’t half measure it, usually once the floor is replaced it’ll be 95% better and anything residual you can seal away with kilz 94 replace trim if it’s near the edge of the wall. Paint with Zinnser BIN. BIN shellac works well though. However, it seemed to bounce back after mopping with Murphy's oil soap. Water based. Now, the floor in my dining room was ruined, so I didn't care how much damage it did, but honestly, except for maybe drying out the wood a little. keep pouring it on a bottle at a time let and let the urine fizz out of it. The 4 of us have laid probably 16-17 floors. ) sand focusing on the evenness and heavy on the edges 2. Allow to dry for 24-48 hours. I can try scraping more of the paint off if that helps. I suggest you leave Lots of it. Major uneven floors may get an overlay of luan plywod. Pressure wash again to remove gross contaminants. Try some enzyme based odor eliminators, go to bleach soak and dry, graduate yo hydrogen peroxide I think until it doesn't smell when you're about a foot off the floor. Put down baking soda on the pet stained area for 1 hour and sweep it up. Just don’t go to water based kilz. Microfiber mop rung out with warm water is all you need to clean, if that. It is shellac-based. Always remember to refer to our website 1. It was tacky for about 10 days, and trying to lay the flooring on it would peel it up occasionally. Hey all, re-doing an enclosed wrap around and i want to cover the subfloor with kilz paint due to the PO animals peeing and seeping into the plywood…. •. The risk is that the floor will feel hollow and the tongues will break eventually if the floor isn't fully supported. I usually follow up with Bona for shine. Change mop water often. Then check if there is any evidence of rot under the hardwood and on the subfloor to determine whether it should be replaced or cleaned and dried. The key is not to use to much. Nothing worse than putting down new flooring and having to go back later because the room still reeks. And made the room ready for use. Then maybe Kilz, then flooring. I have Select or Better, red oak (northern mill). 2. We also like to have a light color, so we’re sticking to one of the Bona Sealers instead of a stain. Those are heart pine floors. An enzyme cleaner like Odorcide or Thornell Cat Odor, both are available online. Spray the floors and let it sit for 5-10mins. I am in the process of renovating my house and I was going to go ahead and primer the ceiling and walls with Kilz and install the window and door trim since I bought all the trim primed. No need to “seal” the OSB or Plywood. It may just take a long time to come up, or it may not without a refinish. I'd read to do oil kills on molds but I've sprayed it on spots where I've seen it in my house. It penetrated the plank floating floor, and into the original hardwood floors. I am planning to install pre finished hardwood in a 650 square foot area in my house. That is what you have here. First, you soak the paper towel rolls in Hydrogen Peroxide and then lay them out all over the floors until the entire room is covered wall to wall. Straight up shellac is the best in my experience. But if you have used oil based killz on all of the walls and the ceiling, and replaced or thoroughly cleaned the light fixtures and other permanent parts of the house, then yeah, sand and refinish the hardwoods, assuming they are true hardwood floors and not engineered (a close-up picture with Kilz. Step on all of them to ensure the paper towels are pressed up against the hardwood floors. Tile all the way, for cleaning purposes. I had to cut some out of a rental where cats pissed on the floor for a decade plus, the circular saw burning through the piss crystals was one of the nastiest things I've ever smelled. Turned out great. I don’t sell them, I provided solutions when they fail. Totally doable, you got this! *edit* no need to paint - you'll cover them up anyways. A team of two guys were able to sand 1000 sq feet of floors in a day. true. Put a basic water based sealer on concrete. [deleted] • 7 yr. Not very experienced in this area, just been doing some quick research. Decent LVP (upper mid grade Shaw) is going to run you Around $4. The facts you have are correct, B-I-N is the best stain blocker as it is shellac based, while Killz Original is an alkyd based product. I bought engineered for a couple of bedrooms and was prepping the subfloor when I realized that the subfloor is particle board. 79/sqft. Roll the body with a 1/4" napped roller and use an extension handle so you can stand up and roll. The towels made sure that the wood absorbed the vinegar. Whether the added cost is necessary will depend on the severity of the staining. Replaced all the flooring (added another $8k) and repainted the walls ourselves. For the tough spots I have a little metal scrapper I use. Ozone will probably not take care of something that deeply ingrained in the wood if that's the source. Tolenkanor. You just need to ventilate and circulate. The replacements are all treated lumber with vinyl railing. I know you shouldn't nail/glue hardwood to particle subfloor, so what are my options? So far im thinking Replace the planks Replace with a subfloor Or spray it every few hours with vinegar or a mold killer, then paint over it with kilz 3. Pressure wash again to remove all contaminants and let air dry for 24 hours. Primed the floor, and it was 7 years before a tile came up (it was one under an uneven washing machine). Otherwise it will grow/shrink and look shoddy. Thin first coat and apply 2nd at package consistency. I’m using Kilz original to cover the horrible pet odor from previous owner. Grab a can of kilz, paint over it really well before you put tile down and just make sure your bathroom has excellent airflow. Do a good clean first and see how bad the stains are, then decide. Either way, remove the hardwood until you see the end of the water line or pee line in this instance. The glue will adhere to either one. I’ve sold garage floor coatings for 30 years, I’ve seen coatings like this Kilz fail hundreds of times. Vacuum it up, 5 minutes later it was dirty again. I put back the carpet after three days (after making sure the paint does not stick). I highly recommend two(2) coats of Kilz Restoration on all drywall, trim, and flooring. The beams in the wall near the floor are also affected. You can pull the floors and do a floating floor on top of the sub floor? Then, you could prime the sub floor with killz (that’s what I did). Our dogs stayed in our room last night while it Use alcohol/shellac base primer . They have some real cheap flooring options out there. Once vinegar dries it no longer smells, and it also breaks down the molecules in dried cat urine that gives off the odor. 1. I did scrub areas on the concrete under the flooring with Odoban in really smelly areas before the new floor was installed. . Took the risk and bought it. Shellac dries faster than original kilz at least when it comes to the intense smell. We have been doing this exact project in our house while replacing carpet with LVP. There were no samples provided and I just trusted that when I asked to match upstairs, it would get matched. There really isn’t a good system that I’m aware of for a sound deadener with solid hardwood. The tongue and groove is why there is no through gap. This damage to the hardwood floors pre-dates them living here, and they addressed it by putting carpet. We’ve got samples done of Nordic Seal, Natural Seal, and Classic Seal. Solution was to cover the floor with paper towels and soak them in vinegar. Kilz is a type of paint designed specifically to seal and prime surfaces, making it an excellent choice for leveling and smoothing out uneven floors. If it smells, put down fresh baking soda again and repeat until it stops smelling. This is right by a window and everything else is completely fine besides the floor. My I suddenly got a dark stain on my hardwood floor that I could not figure out how it got there (since I didn't spill anything on the floor). After all doorways are cut, use the Kilz primer/sealer on the entire house. So about a month ago we had As far as I know though, Kilz doesn't have a deep base+ tintable primers. Your preferred basic primer? Not for managing stains, smoke damage etc. The living room, hallway and two of the bedrooms have carpet and we would like to do hardwood. I’ve used vinegar on couches, mattresses, floors, clothing etc, it’s always removed 95% of the scent in 1-2 treatments. I can cover the subfloor with something to seal Using the primer after replacing as many pieces of subfloor as you can easily do will take care of the issue. Just roll the paper over it and lay your hardwood. ) raise the grain by lightly spraying water. You may notice the discarded baking soda smells when you wipe it up. For spot treatment, we used spray cans. ) clean the surface multiple times to remove any wood fiber dust 3. Mop with a very well-wrung mop. Not sure where you are. You need a deep clean and another coat by a pro to get that off unfortunately. We left all windows open, used an air purifier, 2 fans, and a space heater. My guess is that it probably depends on how your floors are finished. Don’t know what my best option is. Some will advise to still stay away from flat but matte is fine. I'd rip up the carpet and padding right away and hope for the best. Once finished they vacuumed the dust and stained. After using a pressure washer on it, I would estimate 40% of Step 5. Then scrub with a scrub daddy sponge. Now the flooring guys told me i cant prime the stair or the glue will fail eventually. Depends on how bad, mine soaked through my floors sadly. Try and locate the smelly areas. We bought this house last year. Sherwin Williams Multi Purpose Primer Int/Ext tinted to P4 will work best. Smell is gone! Apr 1, 2023 · One of the most popular options for preparing a floor for installation is a primer known as Kilz. A relative suggested I paint the floor with Kilz to create an extra moisture barrier. All canisters come with floor brushes that do not have a spinning brushroll so they don’t scratch wood floors. If that doesn't work, you can try lacquer thinner. It’s likely pine, or fir, doesn’t appear to be a hardwood. Patch any cracks with epoxy for concrete patching. It is very important to let the wood acclimatize to the room for several days before you install it. Looks like it was painted white, but not sure if this is plank subfloor or hardwood. Basically it's a primer and barrier and you can get a gallon or spray cans in us. Contractor here. Hardwood looks incredible til the constant dripping in front of the kitchen sink cups the planks. I'm certain there may be something like it elsewhere. Source - Dad was a huge DIY’r and passed it on to myself and my brothers. I am also spraying the trim with a finish coat. then open doors and windows and let dry 2-3 days. I waited a year to do any finish so that the lumber could dry out well, and then primed it with coverstain, and painted with kilz porch and patio paint. If it's mold or something else water damage related, it will clear up better. That said, if some gaps genuinely are flaws, it's important that you use a floor safe wood filler. The first 2, no primer, and individual tiles came up in less than 3 years (they were then reglued). Absolutely do NOT replace. Thank you! Any other decent primer will do the same thing. replace staircase and baseboards with new color and design. Would the clear Kilz primer/sealer work? I've read that it scratches off pretty easily so would I need to put coat something on top of the Kilz as Previous owners let their cats pee on the carpet which sank through to the hardwood (you can see all the black spots). Acid etch concrete (comes in kit) and scrub with deck brush. That’s good. Nope. People keep saying this, but Kilz offers about 15 different primers. I love the idea of keeping the floors clean/washed. They'll still push the filler out, but the gap will be even larger next season. If the floor hasn’t started cupping already then it will shortly. 95 years. Gray primer. Some people have good success with KILZ oil-based. Roofing felt paper used every time. It’s mostly one large area with expectation of the closet. I don’t see why you’d apply anything to the subfloor. This is the primary bedroom with a sitting area, hall area, and walk in closet. Also, leave some expansion room by the wall. Happened to us - we tore out the old carpets and, pulled out all the nails, vacuumed, and lived on the underfloor wood for about 3 months before installers came and installed wood floors and carpet on the stairs. Pulling it up and replacing is out of our budget so we’re thinking of painting it with Kilz then laying LVP over it and then extending LVP throughout the rest of the house. Kilz2 (Water based) is generally useless. I then installed a new floating floor on top. Reply reply. If you want it to wear well, don't use a latex paint. I obviously don't want to prime/paint the stained hardwood with an opaque color - but am considering doing a thick layer of KILZ KLEAR over it to help entrap the odor. 50-ish a square to sand and restain hardwoods. I do not recommend Kilz Original here’s why: It is the best for odor control, no one will argue with this. My landlord said that I must have spilled some oil on the floor, since the stain has been there for a whole week with no apparent change in appearance. I've been planning on installing both engineered and solid hardwood in my home. Before painting your basement floor with Kilz, proper surface preparation is crucial. I will be grinding the concrete to clean off old vinyl and adhesive to prep the floor for gluing. After about 24 hours, the paint was dry, and all the cat urine subfloor was already covered with Kilz Original primer paint. I will be installing on concrete slab in the basement and on wood subfloor in the rest of the home. It is also used for hiding unpleasant odors. My father told me about some Kilz oil product than can help seal the floor. Not all houses used to use a true subfloor, many had just plain tongue and groove pine boards 3/4” thick nailed directly to the floor joists. Ah, I feel your pain. it’s garbage. Canisters move differently but upright or canister is personal preference. oi yl sz ga vb rq at rb ox ad