Kilz restoration smell on concrete reddit

I applied 3 applications of a pet urine remover and it helped but it is still present. @kilzbrand. Strip up anything over it, dry it out with a fan and Kilz sealant over it. It says “shellac performance in a water based” it’s still waterbased. Scrap your shoe over the bits of pad still stuck in the floor to dislodge them. And the smell is back with a force 😭. Whether the added cost is necessary will depend on the severity of the staining. After I move in I come to find out that the previous owner had some tenants with dogs they locked in the basement (poor things) that peed on the concrete Keep in mind it's soaked into the floor and if there is basement under or crawlspace there's no way to clean and seal all sides of the subflooring. Do a good clean first and see how bad the stains are, then decide. We’ve bought but haven’t used Kilz Restoration which advertises that it helps block odors, including smoke odors. 49 per gallon, and Zinsser Odor Killing primer costs $60. Something about the shellac seals out the odors. However it is not suitable for wooden or metallic structures. living in an older house with a crawl space and uneven floors, leveling the house to replace subfloors was not even in financial consideration. Epoxy Paint for Concrete. You seem to already know this, but latex-based primers do not seal in odors or pet stains. The Behr Bonding Primer used to be KILZ Adhesion. Apr 25, 2012 · Works with oil, alkyd and water-based paints. If you spend your money trying to cover it up, be aware that it may not work 100% and the smell may still be there. Kilz 2 causes less indoor air quality impact. Some of the smell may have come from the glue that was holding down the carpet. My son and I moved into this apartment a week ago, and then it got COLD around here and I don't open the windows anymore. I think Bin shellac based primer works much better than the S-W shellac based. We DO plan on running a ozone machine since the home also came with a undisclosed silverfish infestation as well that we can’t seem to remedy no matter how many traps we set out, clean & have the big guys come around to spray. – popham. He sprayed Kilz Mold Primer with high VOC all inside. Mold Specialist came to clean mold in the air handler/intake (I believe that’s what is called. Kilz low odour (green label) is a fantastic oil stain blocker as well, it has extra white added to help hide but reduce lingering odour from the oil. Protect your floors and furniture from paint and primer by covering it with a drop cloth or plastic sheets. Straight up shellac is the best in my experience. 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. All I see at Walmart right now are Kilz original which says do not use for mold or mildew. Shellac is a universal base coat so you can put a harder coating like poly over it for durability. Kilz restoration primer. After about 24 hours, the paint was dry, and all the cat urine subfloor was already covered with Kilz Original primer paint. These are all really good Adhesion/Bonding Primers that I have personally used. Although the Kilz Mold & Mildew Primer is a great stain blocker for areas such as mold/mildew stains, it may not be able to block wood knots from bleeding through. Kilz 2 has minimal low-VOC odor. the Kilz Max should work (I'm assuming it's the shellac version). SUPERIOR COVERAGE: This 1-gallon can of KILZ RESTORATION interior latex primer covers approximately 300-400 square feet per gallon. 1. Has anyone had success using Kilz primer for removing the old house smell? If so, which product did you use and any problems with using latex paint over top? We’ve gotten 95% of the odors out of the house by various cleaning methods, but we’ve heard that the walls themselves likely are carrying the odor still. I’m sure Menards will have the one I need. We recommend Kilz products to everyone for their house projects. This helps achieve more accurate color with fewer coats of paint and by improving the hiding of previous colors. Should kill everything and soak into concrete. Dries to touch in 30 minutes and can be recoated or topcoated after one hour. Mar 16, 2020 · KILZ Restoration ® is a new generation water-based primer, sealer and stain blocker that offers the performance of traditional oil and shellac-based primers. SUPERIOR COVERAGE: This 5-gallon pail of KILZ RESTORATION interior latex primer covers approximately 1,500-2,000 square feet per gallon. Its a great product. Kilz doesn’t actually do anything helpful and yes it stinks. , the difference in cost is fairly substantial when you factor in doing an entire house. your cheapest solution is pouring down white vinegar on it. Oct 24, 2023 · 21 1. Mix up your enzyme mixture at *double* the maximum concentration the instructions call for. The smell really does dissipate quick (1-2 hours) and it doesn’t require sanding (although a light sand wouldn’t hurt). Apply your Kilz and let it dry. Previously the PM 2. These probably have better performance for odor blocking properties but the Kilz Restoration did great. Make sure concrete is dry, you might want to give a rinse and gentle scrub to ensure that concrete will take paint. Worth a try if you are wary of shellac. As for the concrete, soak with enzyme cleaner and leave wet for 24-48 hours then wipe up and repeat x who knows. Eventually we hit the walls with a coat of Kilz Restoration, painted the next day and the smell was gone. though original kilz comes close. Step 1 of 5. Being new to this thing, we had the carpet and pad replaced, which helped, but did not eliminate the odors. It’s been a MAJOR PITA, but it’s getting better. Primed the door, steps, and around the door with Kilz restoration (didn’t want to use oil based). KILZ RESTORATION Primer also seals persistent pet, food and smoke odours and can Tinting: KILZ RESTORATION Primer may be tinted with up to 15 mL of universal colourant per 3. Kilz works great on structures or flooring made Keep in mind that the price may be different in your local hardware store. To follow up, I rolled it on. It was spendy (~40$/gal) but worked very well for us in this exact same scenario. Kilz Restoration is an Epoxy based resin that blocks odour & stain blocks cigarette smoke beautifully. (hubby used to work for a painting company that contracted with apartment complexes in his younger days) Pain in the ass but the cat smell is entirely gone. Or white vinegar which will similarly bond to the ammonia in the urine and evaporate. I. • 3 yr. Bin is often used in situations of fire damage to block stains and eliminate odor. Concrete can wick water just like an oil candle. Shellac prices sky rocketed and are having raw material issues. Odor Level. We tried everything. it’s garbage. It’s impossible. If it can seal in the smell of a decomposing body in an apartment, it should work to seal in the smell of self-leveling concrete. Shellac dries faster than original kilz at least when it comes to the intense smell. Paint the affected areas, no need to repaint the whole ceiling . White Interior Primer, Sealer, and Stain Blocker. After painting the odor wasn't noticeable except in a few areas still requiring cleaning. Kilz may not completely take the smell away and neither will sanding or sealing. I exposed the affected area by removing sheetrock and cleaning as well. The only thing that ultimately worked was painting the studs and concrete flooring with Zinsser Shellac. This is within the range of the paints optimal temp (50f - 90f). New Name, Same Hardworking Formula, KILZ RESTORATION 1 Gal. It is also a low odor primer and has easy clean-up with soap and water. I vacated the office again, applied several layers of Kilz Restoration, and finished with latex paint. Thin first coat and apply 2nd at package consistency. 5. Also, please do 2 coats (made this mistake on prior house and just did one, didn’t work as well) Also, before you Kilz the subfloor, vacuum (not sweep) the whole thing to get the smelly dust out, then use the urine enzyme spray on it and let it dry fully before you roll or Jun 5, 2024 · Kilz and Bin both make paint primers that can cover and deodorize your cat’s urine stains. We went through the whole role of checking the dry, humidity, paint cure, etc. And if you’re looking for a water-based primer that can help seal and block odors, KILZ Restoration™ primer is a top pick. XIM 400 Bonding- Alkyd modified primer. I would use Kilz original oil based. Even after additional airing and painting, the symptoms persist, leaving my office unusable. KILZ is a product that is commonly used as a coat on concrete and masonry substrates. I tried my best to scrape up as much glue as possible and then painted it with Kilz. Why not bleach it. • KILZ Restoration ® Interior Primer is a water-based primer, sealer, and stain blocker offering the performance of traditional oil and shellac-based primers. I first noticed an issue when I stood on KILZ RESTORATION Primer also seals persistent pet, food and smoke odours. Have a great day We have a ‘64 ranch with a couple closets in original condition. Will smell like pickles for a day or two, but will neutralize urine in porous concrete. are welcome. Reply. It tackles tough stains including heavy water damage, rust, smoke, nicotine, grease, tannin, ink, pencil Remove the LVT and see what’s going on. It blocks everything. Nice sunny day, walking and searching my assigned section and the smell is getting stronger as I approach a clump of seaweed washed up. While both of these products are high quality and effective, Kilz comes at a more affordable price than A place for construction professionals to discuss the industry. Kilz's reputation is built on odor and stain blocking by its oil based primers, not that water based Restoration product. Pee smell should be gone by now. Black light the place. I removed some vinyl flooring and exposed the concrete. Kilz 2 dries quickly in about 30 minutes between coats. It tackles tough stains including heavy water damage, rust, smoke, nicotine, grease, tannin, ink, pencil All the above steps are for one thing: to give the concrete the best chance to absorb the enzyme cleaner. You can get the Kilz Restoration Primer at just $42 per gallon. In the meantime, I have several rooms that I'd like to paint and I read that Kilz works well for controlling odors. I bought a house that previous owners allowed a dog to pee on hardwoods. Aug 26, 2019 · Trusted by professional painters for over 40 years to tackle the toughest odors, this hardworking primer helps to block most heavy interior stains including water, smoke, tannin, ink, marker, pet stains and more. Jun 2, 2024 · The smell was better but still there. First time house painter so any additional tips like type of paint brush to use, type of paint to paint over the primer, etc. I recommend opening all the windows (if inside), wear a mask, use a fan, the Zinsser is very strong smelling. It soaked through the drywall to the studs and through the carpets to the concrete subfloor. Can I use Kilz restoration to paint the inside of my cabinets that I think are either MDF or particle board? I want to paint to remove odor so was planning to use this and then paint over with regular paint. The followings rules and etiquette should be followed when posting in this subreddit: 1. Nov 17, 2022 · KILZ RESTORATION™ Primer is a new generation water-based primer, sealer and stain blocker offering performance of traditional oil and shellac-based primers. I worked in fire restoration for years, and this will clean the walls extremely well. Coverage: 27. Feb 25, 2022 · What are the differences between KILZ Original & Restoration Primers? KILZ Original is an oil-based primer and stain blocker which can block/seal severe stains and odors but has higher volatile organic compounds (VOC’s) which are organic chemical compounds that vaporize and enter the atmosphere. Vs Kilz original at $33/gal. Kilz 3 has stronger solvent odor during the drying phase that disappears once fully cured. I have had customer whom after painting 5 months later there was still a bad lingering smell in the one room painted down stairs. They also have an air neutralizer that will get rid of the smoke smell. 6. Concrete Stain Products. skaote. Open all the windows and have commercial fans if need be. Oct 27, 2021 · Using a lesser primer would have left me with exposed stains and old wall color bleed through. You can also use diluted muriatic acid and a scrub brush if you want to be thorough. On average, Kilz paints and primers will smell for about 48 hours post-application. BIN primer will work as well and it’s about double the price. Kilz Restoration Primer Offers the same results as Shellac based Primer without the harsh odor and It’s an Interior+ Exterior Acrylic based product so it’s easy cleanup as well! If you want a single component product find some silicone acrylic concrete stain like Tuff-top or H&C they are xylene based. Dry Time @ 25° C / 50% RH: Touch 30 minutes, Recoat 1 hour. KILZ Restoration is a Shellac Alternative primer. N. Kilz primer smell lingering. Apply 2-3 coats. Aug 26, 2019 · 3. Apr 18, 2013 · Works with oil, alkyd and water-based paints. Idk some people say the smell gets into the walls/drywall. As mentioned by another user: Kilz. BIN primer is a legit Shellac. We think somewhere along the way, a previous owner was a smoker. It did the trick, but now as I'm up here I'm starting to smell the smell again. If you’ve just rolled some over a wall or other surface in your home, you may wonder how long you’ll have to tolerate the stench. It was sanded and stained/sealed and the smell was still there. Over the course of the past week I have cleaned the areas very thoroughly then used bleach and vinegar multiple times and covered the spots in five layers of Kilz Restoration Maximum. , shellac based primer, like Kilz Orgininal. I also see Zinsser mold blocking primer spray, but it says do not use on non-porous surfaces. Put a fresh coat of semi gloss paint on the wall that matches the inside of the house and painted the door steps/door with the same paint on the front door. FOLLOW US ON INSTAGRAM. Some people recommend Zinsser B. Also sprayed area over the concrete where it had seeped out. Read page 3 of our customer reviews for more information on the KILZ RESTORATION 5 Gal. Then coat with Zinsser BIN primer. Paint with Zinnser BIN shellac-based primer. ago. ) per 3. Is there a special way to apply. I put back the carpet after three days (after making sure the paint does not stick). You'll be good to go. 3. I’d be more concerned that they painted Kilz over water damage instead of actually removing the water damaged material using the proper safety protocols. Removing as much nicotine as possible is imperative; it can and will bleed through even the best primers. Basement and Concrete Waterproofing. So researching for about a year on what to do while the smell was still there, they only thing that seemed like it was guaranteed to work was kilz restoration. Those with DIY or homeowner-type questions should use the relevant subreddits such as /r/AskContractors, /r/DIY or /r/Homeowners. And with the cost of BIN now at $75/gal. Zinsser shellac based primer is the nuclear option. New Name, Same Hardworking Formula, KILZ RESTORATION 5 Gal. We thought the Kilz smell was gone But, I just returned from a week-long trip, and upon entering the house I noticed it smelled like Kilz! This happened about a year ago as well, but I didn't expect it to still be there today! Get free shipping on qualified KILZ RESTORATION products or Buy Online Pick Up in Store today in the Paint Department. 73 per gallon. Its about 7 days since painting, which should be sufficient for heavy foot traffic, moving furniture, and even cars driving on the paint (per the can) Its winter where I live, so the basement temp bounces between 58f and 64f, give or take. Anybody working in this field is welcome! Carpentry, concrete, steel, plumbing, HVAC, electrical, landscaping, equipment operators, etc. XIM UMA Bonding- Urethane Modified Acrylic SW Extreme Bond- Urethane Modified Acrylic Behr Bonding Primer- Epoxy Modified Acrylic. If odor is your concern Cover Stain comes in low odor, Inslx has Odor-less primer, there are many you have options but if it’s water based avoid it. conkiejoe. I forgot to mention that because Kilz Restoration is water-based, but it’s important to know. Organic vapour respirator. If you do choose to use Kilz, don't occupy the area for 5 days and make sure to use cross ventilation. They work for us, except they have a slight old house smell to them. Silica dust and formaldehyde suck, but this really takes the cake. I sanded , cleaned, then painted. I had bad time last using it. Concrete is porous, and cleaning/roughing the surface gives it the best chance to absorb the cleaner into the layer where smells linger. Its an attic so the smell was pretty compounded. However, the reason BIN works with HVLP and Kilz doesn’t is the viscosity. I have been told that bleach won’t do the job. That’s what’s required to correctly repair water damage. All Products. Shellac all the way. Could you guys help me figure out the best one for my situation? Thank you! Edit: Also, are the water based Kilz no We bought a new house a couple of years ago, and applied Kilz to the entire house due to a very strong pet odor. You should be fine to do this but I think the other guy's advice of using poly would be preferred. I'd prefer no smell at all, thank you. Topcoat with water-based or oil-based paint. ] This Particular Product is an Excellent Option for pretty much any application. The paint was cheap Valspar from Lowes. ft. Going on 9 years with no odor issues. Will not leave anything behind, so it's good to paint over it. . Since Kilz Original is oil-based and won’t paint on galvanized metal surfaces, Zinsser is more of the multi-purpose paint primer between the two. Step 2: Tape around the baseboards and moldings with painter’s tape to ensure you don’t get primer or paint where you don’t want it! Step 2 of 5. Paint. The sanding is the real PIA part and having used the shellac primer for another application, this will be my preferred method moving forward. . Sort by: Search Comments. 5 meter was showing 250-250, but since the spray foam it’s down to 30. The urine will eventually seep through the primer and the smell will come back. You may not need a sump pump, but you might. There are apparently enzymes in cat urine that must either be entirely broken down or completely sealed away. Kilz 3 has an even faster 20 minute dry time allowing for rapid recoating. And made the room ready for use. I had a cat who pissed in one spot for at least 6 months and it went through the pad into the concrete. Go with a reputation built on ordinary use cases like yours. During this period, you should remember to leave the area adequately ventilated, which will help dissipate the scent. Disgusting work, but seems to have locked in the odor without having to replace the studs and floor plate. Award. Instead, I recommend a heavy-duty stain-blocking primer, such as our Kilz 3 Premium, which is designed to block wood knots and can be top-coated with latex paint. We were attempting the naked kid potty training method and there was a bedroom incident that the cats latched onto. The key to diy when it comes to steam cleaning is to not put the rag on the head, but apply the steam directly to the wall in short bursts and then wait about 15 seconds before gently wiping with a rag. The short answer is yes, Kilz can temporarily cover up the smell of cat urine on concrete floors. However, Kilz primer in the Original variant is better for interior exterior Wash the walls with TSP (then rinse - TSP leaves a film), then prime with shellac based primer (BIN brand) and top with a high quality acrylic primer and two coats of paint. Gray Primer (Previously KILZ 2 Latex) is a fast drying, water-based, multi-surface primer-sealer-stain blocker which is specifically designed for use under dark, rich and deep vibrant color topcoats. For major stains like water, grease, or smoke, select a heavy-duty stain blocker like KILZ RESTORATION ® Interior Primer. I tried that first in order to prevent filling the house with Kilz's caustic odor, but the pet stain just soaked right through the primer and made little change in the smell. Tape around the baseboards, trim and moldings. Use to block odours from subfloor when replacing carpet or wood flooring. We just purchased a home that has four spots stained by cat urine. It also has a stronger solvent odor and About This Product. 4. Drying Time. KILZ® RESTORATIONTM Primer is a new generation water-based primer, sealer and stainblocker ofering performance of traditional oil and shellac-based primers. No bleed-through, no lingering smell issues. It covers more square footage per gallon than oil will. Nicotine is water soluble so you need a coat of something not water based on there to block the imthestig-. 1-gallon 1-quart 5-gallon 13-oz Interior Interior/Exterior KILZ Zinsser Valspar AMES Vasari RainguardPro Wood Metal Drywall Cabinets Concrete/Masonry Brick Glass Plaster Stucco Tile Water-based Oil-based Mildew Resistant Odor Blocking Stain Blocking Rust Resistant Low VOC Zero VOC Tintable 5 4 25 100 400 2000 Smell is completely gone. In the middle is a shoe, not empty, and the sand crabs are having a picnic. I’ve sold garage floor coatings for 30 years, I’ve seen coatings like this Kilz fail hundreds of times. Dec 16, 2023 · Kilz 2 Latex Primer is an ideal option for application on new drywall, wood, masonry, and plaster. I'm pretty sure the smell is coming from the walls. Unsmoke is the brand Unsmoke wall wash is the cleaner. You can then use water based over that. We bought a home to flip that was destroyed by cat pee. ] The KILZ RESTORATION Interior Primer did such a good job on covering my large dark colored table. I then applied vinegar/baking soda and this seemed to make the smell worse however it still needs to dry Contents show. I'd like to lift up the carpet and pad and put Kilz down on the subfloor, but my wife is pregnant, so I'm guessing she shouldn't be breathing the fumes. KILZ RESTORATION Primer (Formerly KILZ MAX) is a new generation water-based primer, sealer and stainblocker offering performance of traditional oil and shellac-based primers. When I moved in it smelled like urine very bad here. Goggles that seal the eyes from Vapours. Should I be concerned or will this be something that goes away after a few months? I cleaned the wood as good as I could, just dry scraping and a little sanding, then sealed it in with several coats of some good rustoleum 2x blue paint I had sitting around. Then hammer the staples down flush with the floor. ] We bought Kilz Restoration to cover some water stains on a ceiling. KILZ RESTORATION Primer also seals persistent Shellac is the best odor sealer. KILZ Restoration is a relatively new reformulated product of theirs that claims all the performance of shellac but with water clean up. Primer (Formerly KILZ MAX) is a new generation water-based primer, sealer and stain blocker offering performance of traditional oil and shellac-based primers. TSP or cleaning vinegar to clean the area. Use on interior surfaces including drywall, woodwork, plaster, masonry, brick, painted metal, ceramic tile, glass and most other glossy surfaces†. Coverage Area Kilz original is our go-to oil based primer. It is also significantly less smelly compared to shellac or oil. oh and block odors. An oil based stain blocking primer is what’s been recommended for nicotine in every paint store I’ve worked in for over 30 years. Apply 2-3 coats, allowing to dry a hour or so in between. KILZ restoration uses an acrylic epoxy resin to help seal in water damage, fire damage etc. Reply reply. If you don't need odor or stain blocking, then I would turn away from Kilz. Hope that helps! Bin is better suited to eliminate smoke order. OP • 9 mo. Honestly, It's probably best to consult a professional. If it is NSFW, label it as such! 2. I primed the floor with Zinsser clear coat odor blocking. 87 - 37 m2 (300 - 400 sq. Unfortunately, this did not resolve the problem. Where the filters are changed and air is pulled in to circulate). You can block them with the original Kilz or Zinsser BIN, both are shellac based. It also did a terrific job removing the residual odor. New Look, Same Trusted Formula, KILZ 2 ALL PURPOSE 1 Gal. I would ask your painter to primer everything before putting your wall paint on. She's going to be gone for 3-4 days this week at a conference. It tackles tough stains including heavy water damage, rust, smoke, nicotine, grease, tannin, ink, pencil, felt marker, pet stains and more. Still had a little smoke smell, so rented an ozone machine for a day and used that. However, it’s important to note that Kilz is a primer, not a permanent solution. I have ventillated the rooms but the smell keeps building up, especially when the heater kicks on. KILZ primers have been trusted by pros for nearly 50 years. I know BIN (shellac) is the better choice overall usually (albeit more Apr 2, 2024 · It also has a stronger solvent odor and requires mineral spirits or paint thinner to clean-up. They need a repaint anyway, and I figure while I’m at it, prime with Kilz in hopes of sealing in this smell. KILZ Restoration is a water-based primer which also blocks severe stains and odors, however, has lower VOC’s which meets all national regulations. Step 3: To seal and block smoke stains and odors, apply 1 coat of KILZ® Original (stirring thoroughly before and occasionally during use) to the walls and allow to Sep 20, 2023 · In our Zinsser vs Kilz primer comparison, Zinsser came on top in terms of odor, bleed-through prevention, and adhesion. Another way to think of it, Concrete is denser than water, so, like water and oil, the less dense material wants to be on top. • 2 yr. Very often just because you can see the stains after you've primed does not mean the stains will continue into the top coat. The restoration can be anything from an antique to an engine. We have used Kilz products for 35yrs and have had terrific results. Pouring lots of bleach and leaving it there, probably 3 times worked. Meanwhile, Zinsser BIN costs $104. I don’t sell them, I provided solutions when they fail. Primed every wall and ceiling with Kilz Original oil-based primer. See how the KILZ® Brand gives you the ultimate protection for your home. Kilz primers are considerably more affordable. Just don’t go to water based kilz. The smell has not dissipated after 4 days of non stop venting it out with fans and everything opened. Step 5. It tackles tough stains and seals persistent pet, food and smoke odors. Smell is gone. I saw decent success in reducing the odor using fire-rated spray foam to plug where the floor joists meet the shared wall, but the smoke still seems to be coming in. It tackles tough stains including heavy water damage, rust, smoke, nicotine, grease Yes this product will work fine for nicotine stains. NextHomeVA. I was glad that the KILZ RESTORATION Interior Primer had very low odor while I was brushing it on my table, and the water-based primer went on smooth with every brush stroke. Not terrible, not too musty, just smells like my grandmas house. 79 L. Paint with latex primer. [This review was collected as part of a promotion. Its a good, relatively cheap product that will block most things. Previous owner sealed in dog urine. I am painting all walls and ceilings and after a TSP wash I want to choose the right primer - Zinsser BIN shellac-based (not advanced) or Kilz oil-based (original). Kilz 2 gets some small effect but nothing like what Kilz gets you. It’s just a label change. Oct 14, 2022 · This is a question that we get a lot, and it’s a tricky one. HVLP works best with thinner finishes. We ripped up the carpet, covered the underlay boards with Kilz odor blocking primer and got new carpet installed. For tough stains and odors caused by smoke damage, pets, or severe water damage, Kilz Restoration Primer is the recommended choice, providing excellent adhesion and sealing properties. It does have a unique smell but fishy is news to me. About This Product. It’s unlikely to have seeped into the concrete, but if it has, you’re on the right track…. Try the enzyme cleaners, such as Nature’s Miracle Urine Destroyer. We used Kilz Restoration. I'd put a coat of shellac on it to make sure any possible remaining smell is encapsulated as well as it can be. Did two coats of paint on every wall & ceiling. 79 L depending on application method and surface porosity. So I recently purchased a home and during the showing and inspections there was a strong enamel odor which was explained away as "touching up the basement". tomcat_tweaker. Tinting to a lighter shade than the topcoat is recommended. Yes, you should use kilz on the subfloor as well as the walls/ceilings in the main home. View. Allow to dry. Drying and Ventilation. KILZ 2 ALL PURPOSE Gray The last owners let their cat pee on the carpet and it seeped to the underfloor. You can apply the kilz to the subfloor yourself since it will never be seen and that will help you stay within your budget. It is used on rough structures such as concrete, masonry, stone or brick structures, stucco or cinder blocks to give them a smooth and glossy finish. After consulting with Kilz, I was advised to apply Kilz Restoration. I did some repairs to my walls in preparation to painting and primed it with kilz water based primer about 2 weeks ago. It worked great and totally covered the stains. We viewed in winter so we didn’t notice but when it warmed up the smell was terrible. None of the cheaper airless sprayers are safe for flammable finishes. /r/Restoration is a community for anyone seeking restoration help, wanting to show off their restoration projects, or anything inbetween. It can also be used to block odors from subfloor when replacing carpet or wood flooring. Don’t let the possibility of a smell worry you. lg zc il yi eh lu wu za ir go