Bought new primer on sale (same brand- Kilz 2). I read good stuff about this primer which advertises as being able to adhere to shinny, glossy, slick and oil based surfaces . Trying to save $40 on a $3,000 project 'hoping' it works, not so much. Then medium grit sanding ( sand lightly to scuff not remove). Archived post. Primers are designed such that the finish coat will adhere to to primer. It’s always recommended to use an oil primer for cabinets. If you’re wanting to go from dark to light color, use a primer and two coats of paint. We've removed about 6 rooms of wall paper, scrubbed the glue off, spackled, and sanded. Shellac is the best odor sealer. the brown color also stained the caulk when we had the windows replaced. So the primer is on all the materials that won’t really come off without damaging. 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. It's a matter of opinion and preference - PVA isn't a bad choice for this, but for a DIY job yes I would use a drywall sealer/primer. Hi! I’m painting old window trim/casings white. I think Bin shellac based primer works much better than the S-W shellac based. Kilz will definitely be able to be scratched through, as it's just a primer and not meant to be durable. Follow respirator manufacturer’s directions for respirator use. Once you smooth those edges, you are good to go for primer. • 2 yr. Apply a few coats of a different less-odiferous primer to lock in the odor of the Kilz primer, and paint again. Kilz restoration primer. Now, I’m doing kitchen cabinets. The original (oil based) Kilz primer/sealer is very good. Kilz 2 is absolutely worthless as a primer. PVA or “drywall sealer” is for new rock only. I obviously will need to prime them, but the question is whether it is ok to prime over oil based paint and then paint more oil base on top of the primer? Thanks for your help. If it's peeling that's a different story. Gummier texture than the previous can from last week. then good primer ( 2 coats but wait a full day between each coat. Do a good clean first and see how bad the stains are, then decide. The later sealer/primers like Kilz2 are latex based and are worthless. Assess any problems you need to tackle, such as stain or odor blocking, and determine the severity of the issue. Kilz does a great job preventing mold in the bathroom. We noticed after the second coat that some places get gold/brown splotches creeping through, and the entire coat of white primer is extremely yellowed. It’s not worth the headache, at least figuratively speaking in your case. Would it be OK to go directly onto this dry wall with this product? Water based or oil based? Kilz Primer Restoration Interior (water based) Kilz Primer Original Interior (oil based) Something else? Would I need a coat of actual paint over this to make it look good/normal, or just primer? Always go with primer then paint and not the paint+primer. it’s garbage. When would you say it's safe to sleep in that room? Today is Sunday. I painted them a deep blue and they were supposed to be white. Only. We're in North Dakota with sub zero temps. Kilz primer bubbling over older interior paint. My recommendation: GRIPPER primer first, followed by your finish paint. I used latex primer over the Gardz, then whatever wall paint I was using. As for curing, I'm not sure what kilz 2 is, but lots of house paints are 30 day cure time. Generally I use Glidden PVA as a primer on new drywall. I use both and they do not do this. KILZ Mold & Mildew is specifically for wet areas prone to mold & mildew. 2. Causes eye, skin, nose and throat irritation. But it sounds like you've done everything right. oh and block odors. So say you know for sure you're going to need 3+ coats to cover. Depends on the odor you are trying to get rid of. Likely, we are going to use Kilz primer. One other reason to skip PVA - you cannot use it for almost anything other than fresh drywall. Two coats. I am confused if PVC is considered "Plastic", "Vinyl" or something else when it comes to the specs on the primer. If you’re going over a glossy surface, use Zinsser cover stain primer, or you can sand or use a liquid deglosser. I’ve done something similar recently with very old wood doors, and the bathroom door (the one that gets the most moisture) constantly bleeds through after 2 coats of Kilz primer plus 2 coats of Behr semi-gloss. Would Zinsser (water based primer) work ok or do I need to use Kilz (oil based)? I have no idea what was previously painted on and will be washing/cleaning prior to priming / painting. my ring doorbell showed the maintenance guy bringing this spray can into my apartment, and he sprayed it all over my vanity sink drawers in the bathroom. Just read the product description carefully before purchased. If you can’t get an oil based primer, maybe try to find something like Bullseye123PLUS (also known as smartprime). Used it about 90mins ago. Price here is around $44/gal and Zinsser Cover Stain (oil based primer and stain sealer) is about half that. I use white Kilz Premium for the ceilings and Kilz Premium tinted to whatever color I want as the finish coat in both my personal residence and all my rentals. These are all really good Adhesion/Bonding Primers that I have personally used. Kilz pva primer. I don't see the point of using it on regular new drywall. Primers are specifically designed with that in mind After using a joint compound to fill in the low spots and sanding everything down I put 2 coats of Kilz Hide-All multi-surface primer sealer. imthestig-. Any decent primer (latex included) with paint over it should be good enough to to cover drywall repair. Here are the options I thought of: Keep ventilating for another week and pray it mostly goes away. . Worth a try if you are wary of shellac. Very often just because you can see the stains after you've primed does not mean the stains will continue into the top coat. ( removes sanding dust). Fastenal also carries accelerators. Removing as much nicotine as possible is imperative; it can and will bleed through even the best primers. It tends to seal everything the best and allows good adhesion and a uniform topcoat. '. 4. It also penetrates the wood, whereas waterbased tends to sit on the surface. Doesn't mean that's true. though original kilz comes close. Hi all, I am painting my bathroom walls. That is a result of painting over either chemical residue or siliconized caulking. Even though kilz is a good product, sometimes it doesn't do what we need it to do. We used kilz on Wednesday and some on Thursday. then open doors and windows and let dry 2-3 days. Did two coats primer and two coats paint with a soft fiber roller and it went on beautifully. I would ask your painter to primer everything before putting your wall paint on. The original Kilz was used on drywall in our bathroom and stank up the whole house (the oil based, not water) how toxic is it and how long to off… Finally, oil-based primers from Killz and Zinsser are Reddit favorites for odors and stains. Primer did not smell bad and it was mixed well prior to application. Oil primer in a rattle can is pretty standard for drywall repairs. Neither of those top coats are glossy enough to be an issue. I have a patch of drywall where the top layer has pealed off and Kilz Premium 3 paint primer. You just need to ventilate and circulate. Where people mess up with this is not using PVA primer on raw drywal and mud work in the first place. Kilz Original has a low odor version if you can find it. Primer has low amount of pigment, pigment aids in covering the pigment (color)you are going over. There's likely a primer that is "in system" with Can I use Kilz 2 primer for PVC lumber? Advice Wanted. If that doesn't work, I'll sand everything off, use a solvent on the old mud to make sure the new mud will stick better, and start over. Also make sure everything is dry as bone when you apply. Just don’t go to water based kilz. I forgot to mention that because Kilz Restoration is water-based, but it’s important to know. We always put a fan in a window blowing out, if you are rolling out whole rooms invest in a chemical cartridge respirator ( 3 M brand $30) with screw in filter cartridges . The plus version has some tannin blocking ability, but not as good as oil based primers. Depends on the color of paint. I have never seen any point in spending big on primer/sealer, they all do the same thing and latex from Behr works great for me. The premixed gray is to help with darker & or low hiding top coat colors. HOWEVER, primers are cheaper than paint. It is worth spending a bit on the paint itself, simply avoiding cheapo brands is enough. (Edit: when the kilz failed (in minutes), I then did the following) I took advice from this subreddit- cleaned with TSP, 4-5 rinses, 2 coats of BIN on wood and 1 coat on walls and ceiling, then 2 coats TL;DR use oil based primer, not shellac. He responded by saying "oh you really shouldn't use Use Kilz primer and dilute with Floetrol to reduce brush/roll marks (3 parts primer/1 part Flo. Avoid contact with eyes, skin and clothing. It’s just a label change. Damn dude, at least open a window and turn a fan on when you’re using that kind of stuff. It’s got wood beams holding it up and insulation. Short answer is yes. I’m working out a water stain on my ceiling. The primer immediately started to run. Bathrooms, laundry rooms/wash rooms etc. Painting over any red can be bad, maybe 2 coats of tinted primer will help. ) Lightly sand between primer layers to smooth out grittyness from the primer. Do the first coats in a TINTED primer, leaving the final 2 coats for the paint. But I used Kilz when I primed the walls/ceiling when I renovated that time. Reply reply. I use Valspar PVA primer from Lowes. You could find something that will encapsulate it and it will be ok for a bit. The long answer is, enamel is any paint that air or oven dries to a hard non flexible typically glossy surface. Is it alright to put yet another layer of primer down and then a final coat of paint? If you do use it as a paint, or a ceiling paint, when you, or a future owner decides to repaint the ceiling, if the surface isn't reprimed there will often be adhesion issues. I tried spraying kilz out of a 519 and it just got clogged every few seconds. Waited the hour, started applying my first coat and it’s a We used kilz odor blocking oil based primer on the ceiling of a room that will be a bedroom. They make a KILZ primer either get the kilz2 or the one specifically for drywall. Mistake! Had to redo it with a different product because it bled. Also try to steer clear of oil based paints and primers if you’re not working with bare wood and metal. Then tack cloth clean surfaces. The oil primer spot will take a lot longer to dry you'll see what I mean after a half hour wait at least 4 hours so 1st top coat can cure a little over oil primer then recoat. All said to use oil based primer. No. They sprayed with the ac off but then ran it while the fumes were still very strong. Oil based primer is the best for this kind of situation. Just make sure it can be top coated with latex. I'd prefer no smell at all, thank you. It says it will work for plastic, but not PVC. I’ve painted over years of cigarette smoke, moldy house smells, etc…. " I'm not sure what "manufacturer's sealer" means, just give the company a call, 800-272-8786. he only sprayed primer on the surface, and he did NOT paint over it (facepalm). Kilz premium is hot garbage and useless for torn rock. • 3 yr. The best thing to do is always to remove the lead containing paint down to the substrate. Yes, you should use kilz on the subfloor as well as the walls/ceilings in the main home. Behr Marquee has crazy good adhesion and is even advertised for use as a standalone primer. We painted Friday and Saturday night. Bleed through everywhere. Only text posts are allowed here. It effectively blocks all kinds of tough stains from bleeding through, so I use it on tough repaint jobs like cupboards and kitchen walls/ceilings. XIM 400 Bonding- Alkyd modified primer. The house has some odors (previous owners had cats) so after some research and looking through this sub I decided to go with Kilz (water based) and bought a few cans. Always do 2 coats of paint, no matter what. If you don't have any current issues with mold, and you don't have any bad stains on the walls that you are trying to seal/block, and you currently have a fan that you actively use, then just use a regular primer. It does have a unique smell but fishy is news to me. It should take you no more than 2-3 hours to roll out latex Kilz with a 1/2" nap 9" on an extension pole, and cut in with a 2-1/2" angled sash brush. Straight up shellac is the best in my experience. Traditional enamel paints are oil based and modern acrylic ebamel paints are water based or an emulsion water/oil hybrid. Zinsser oil primer is much better in my opinion, but for what your doing the Kilz will work just fine. Yes, you can use oil based paint over a water based primer. So for me: First coat oil (Zinsser Cover Stain, Kilz Original or Kilz Original Low I'm using kilz to prime new drywall. i'm not gonna paint over it either. Primer is meant to be an undercoat. If you want a single component product find some silicone acrylic concrete stain like Tuff-top or H&C they are xylene based. Award. I m thinking of having them cut out the part they painted with Kilz and put something else there. I then applied a layer of Kilz (oil based), and put another layer of paint on. 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). Shellac dries faster than original kilz at least when it comes to the intense smell. I’m painting our master bathroom, a vanilla color over a gross deep tan. XIM UMA Bonding- Urethane Modified Acrylic SW Extreme Bond- Urethane Modified Acrylic Behr Bonding Primer- Epoxy Modified Acrylic. However it’s not made to be applied directly over mold & mildew so you gotta clean all that crap Satin is neither gloss nor high sheen, just make sure you give the primer enough time to dry before Applying paint. Zinsser bullseye 123 will work fine, 3) paint with a satin sheen latex paint. Open the windows, open the door, use the exhaust fan. So we Ventilated the room with windows open etc. Thirsty surfaces like unpainted or old drywall are going to soak up a ton of whatever you put on the wall. any number of PVA primers all equally perform. 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. The Behr Bonding Primer used to be KILZ Adhesion. Don't use just a regular primer. KILZ Restoration is a Shellac Alternative primer. Either put a stain and finish, or a clear finish. 7. This can almost looked like the primer was separating on the wall with white and almost an oil looking substance. My experience with Kilz 2 aka Kilz Latex is that it is poor at stainblocking. I just had some drywall work done in my house and am needing to primer the freshly done drywall. Kilz alkyd-based primer takes a minimum of 7 days to cure to a hard surface, and that's under ideal conditions. In a short time it will look like someone is smoking in the house. Not this second though (warming up to 37!!!) Kilz would be an absolute waste and would collect dirt like stated before. However, if the condition of lead paint or other layers bonded to it is poor it can fail over time and become a hazard. It does a great job at cutting down the absorption into the plaster surface and whatever else is left like paper bits. Ive seen this happen with Oil Based Paint on Plaster walls then priming over it but if this is straight joint compound something isnt right As for the dust its irrelevant. pour enzyme cleaner again, letting it soak in to concrete. Emerald is a good paint not a not a "paint+primer. Killz Oil Based primer fumes. Thin first coat and apply 2nd at package consistency. Not all enamels are created equal. The main worries with mixing solvents are using a water based topcoat over an oil topcoat as it won't adhere (or it will and then will crack and craze over time). I fixed a window sil that was rotting with PVC lumber, I just need to paint a small area of it to match the siding color. I used it in my bathroom and it worked great for a while, but the mold eventually came back after a few months. 😂. ( gives primer time to harden). There are many different brands, and you can get an accelerator at any well-stocked paint store or online. The kilz is bubbling in some of the areas where it is over the older house paint. Good luck. It tackles tough stains including heavy water damage, rust, smoke, nicotine, grease, tannin, ink, pencil, felt marker, pet stains and more. Then apply your finish coats ( wait full day between coat so coat hardens). However, I visited my local paint shop and asked the person helping out if using Kilz primer changes what paint I should use. the odor is very strong. Redgard says, "Prime all surfaces to receive Redgard with properly applied manufacturer's sealer or with a primer coat of Redgard [recipe for mixing with water for use as primer]. Take into account any unique scenarios like needing a mildew resistance finish coat (good to keep in mind when painting moisture prone areas like bathrooms Just purchased a home built in the late 70s that I realized has lead paint. Put a basic water based sealer on concrete. I also replaced all of the carpet and old wood flooring. Whether the added cost is necessary will depend on the severity of the staining. I’ve heard HVLP produce less overspray and finer finishes which leads me to think that maybe I can get away with spraying primer, doesn’t have to be Kilz specifically, and after a little cleaning I can spray the latex paint. u/MinionOrDaBob4Today. 95 years. Because a primer is not meant to be weather resistant. My plan was to user a KILZ odor blocking primer since there’s a smoke smell throughout the house, and then paint over that, and now I’m wondering if that is sufficient to encapsulate the existing lead paint, or if I need to first put down an encapsulation layer, then the KILZ primer, then the paint. I'm using a graco sprayer which means I'm using 5gal buckets of water to prime and clean Well. Just mentions that you need to top coat the exterior within 14 days if you plan to use it as an exterior primer. They'll dry to be handled in 1 hour, stackable in 24 and the time you save there can be used on the grain filling. Kilz is int. You might need to go with the pricier option. Shellac prices sky rocketed and are having raw material issues. Either Kilz Original or BIN shellac base work great for this - both smell a lot but dissipate rapidly . If you want a faster cure, you'd need to use an accelerator. 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’m literally not able to figure out how to proceed. I'm finding so much conflicting advice on using primer to seal in odor in concrete floors. tomcat_tweaker. Jan 31, 2020 · Choosing the Right Primer: Identify the surface type you will be painting. It's better to do 1 coat of $20 primer and 2 coats of $40 paint than 3 coats of $40 paint. Paint the affected areas, no need to repaint the whole ceiling . Then we painted the walls and ceiling with Valspar 2000 paint+primer. It's called 'crawling'. 4M subscribers in the HomeImprovement community. Big boxes have 5 gallons: kilz PVA $68, Glidden PVa $63, PPG speedhide $52, conco latex PVA $42, zissner drywall primer $68, sheetrock first coat $60, conco prostep P015 $69, any suggestions on what might be best or what to avoid is appreciated 👍 will be Try and locate the smelly areas. Paint is cleanable, primer is not. The Kilz primer is good. u/Helicocccter Get painting ASAP ! During COVID, I had trouble getting oil based primer and used Kilz 3 on paneling. I really don’t have the time nor patience to sand all that crap and repaint it with a semi gloss white latex paint. However, when I go to the stores it seems that everything is paint + primer and super pricey. Not terrible, not too musty, just smells like my grandmas house. Hey, FYI you can not wait more than 24h if you want to paint with latex over oil primer, otherwise the paint just doesn't stick enough otherwise you need to apply ANOTHER coat of oil based primer and then paint within 24h . Oil primer is for bare spots, exposed drywall paper, suspected KILZ Restoration is a relatively new reformulated product of theirs that claims all the performance of shellac but with water clean up. Just looked at the PDS sheet and doesn’t mention how long you can leave it without a finish coat. Any of these can be applied to an oil primer base In the air intake where all the air gets sucked up into the ducts. I think kilz makes a primer meant for outside use. It was spendy (~40$/gal) but worked very well for us in this exact same scenario. I originally painted all my doors and trim in oil based paint which now is turning yellow. However, the reason BIN works with HVLP and Kilz doesn’t is the viscosity. The encapsulants probably have decent adhesion too so don’t worry about a primer between the topcoat. The worst part is the windows can't be open too long. After several drywall repairs in a bedroom, we decided to prep the entire room with kilz primer before applying a Sherman Williams marque paint. It stinks, it does, it really does, but it's good stuff. Use plain shellac over the knot holes then paint with killz water based primer. I would use Kilz oil-based primer, "restoration" is a latex primer that's marketed as being as good as an oil-based or shellac-based primer. I don’t sell them, I provided solutions when they fail. Original Kilz is good. Reply. About 99% of the walls are plaster, besides later adds like a closet. Our house is in the Philly burbs, built in 1914. Kilz. Two coats of primer plus paint is much cheaper than two to three coats of paint+primer. Guy at the store mentioned it might have strong odor but it worked well. Kilz has a Kitchen and Bath primer that isn't in stock at Home Depot or other brick Second pick was KILZ 2 but the home depot lady mentioned that KILZ 2 could be used for repainting and not for uncoated drywall. The oil based KILZ will yellow quickly. It’s sole purpose is to provide uniform coverage of primer and paint, not to seal damaged rock. Anyway, if the paint is gloss, you should 1) give it a light sand with 120 grit, 2) wipe it down with a sponge and water pretty well, 3) prime with any water based primer. What do I do with the buckets of watered down primer? I have two full buckets and I need both of them empty so I can get started again (new day). After the first coat I had no issues but since the previous owner had painted a hideous yellow color I decided that I needed two coats so that the yellow wouldn't bleed through. " You need to use primer. Yes you need to paint over the kilz. 2 coats of kilz primer and 2 coats of latex paint later, I knew I was in trouble. Spouse painted the basement walls with Kilz primer. I'm exhausted ready to relax. We did a quick sanding to remove any polish and then started with primer. You can block them with the original Kilz or Zinsser BIN, both are shellac based. Painting contractor here, the only reason you prime is stains, new drywall/patches or to help with adhesion. I followed the half of reddit that suggests shellac primer for cigarette odor and primer-ed the ceilings and walls with the Sherwin Williams shellac primer. Edit - Finishing my garage and hence going for SG for easy washability. Then redo carpet. If you have some of the other issues, then you would use the 'specialty primer. Wasn’t too bad while using it but once we stopped wow. Can even use a paint+primer topcoat which most good products are. ago. Where Zinsser shows it's quality is covering tough What Kilz Primer the Kilz Original (Oil Base) or Pro X PVA(Drywall) or other and what specific Joint compound. Or hard wax like above, that would be the easiest I believe. Might just get some more of the SW Pro block. Is there a good way to remove it or am I stuck with it? Finish coat 2 times sand between coats. KILZ restoration uses an acrylic epoxy resin to help seal in water damage, fire damage etc. I goofed and painted one set of cabinets the wrong color. The stain is still showing in some spots. Looking at which brand is going to be the best quality for a sprayer and bang for buck. Draw over the permanent marker with the same color erasable marker then wash off the new marker and the permanent marker will come off too. You may have to do it a few times. I really wish he didn't but Oh well. The Kilz primer claims to act as a sealer. I had a can of Kilz 2 multi-surface primer/sealer on hand and stupidly used that. Thanks! KILZ 2 is general multipurpose interior/exterior primer. Welcome to /r/Painting! Functioning like an artist cooperative gallery, this is the place where beginning to advanced painters display their work in an ongoing group discussion. HVLP works best with thinner finishes. It's possibly my least favorite product in the paint/finishing world. Went to turn on the oven and it just amplified in the whole house. I would recommend using an oil based primer. ) He was also supposed to repair the ceiling drywall seam tape throughout the house, as it was separating from the ceiling and wall (the house had If you experience eye watering, headaches or dizziness, increase fresh air, wear respiratory protection (NIOSH / MSHA TC 23C or equivalent) or leave the area. Oil primers seal and adhere 10/10. Bought a house and it came with a big old bucket of Kilz 2 that I’m using to prime the garage as well as some interior walls. I always use Cover Stain Primer, but thanks to a new Michigan law, it’s much harder to get my hands on any oil based primer. I come home to Kilz overwhelming our house. You can apply the kilz to the subfloor yourself since it will never be seen and that will help you stay within your budget. . Shellac primer is more expensive but 100% worth it to speed through that process in an hour and not suffer for 3 days while the Kilz mold primer can definitely help prevent mold from coming back, but it's not a magic solution. Thank you! Any other decent primer will do the same thing. i am so done You need to use a stain blocking primer over sharpie. Otherwise, I would just use normal paint like Behr and make sure it has two good coats. It’s really not good to be breathing that stuff in. And they will work. Currently 35% humidity Shellac all the way. Whether you’re sealing wallpaper to paint over or sealing adhesive on walls after removing wallpaper, use Kilz Original or Zinsser Coverstain and buy an OV respirator from Sherwin. Prime until wood grain is gone. skaote. However, the VOCs are brutal and will out gas for days, potentially causing headaches, dizziness, etc. I know BIN (shellac) is the better choice overall usually (albeit more It really just means there’s an additive that helps paint bond to existing paint. Paint with a quality paint afterwards. I know it’s compatible with a wide variety of paint types, but I was thinking to go latex. Primer costs about $10 per gallon less than paint where I live. Most new construction bath lights anf fan are wired to same switch so fan has to run. Today is my Friday. Anywhere from 30 minutes to an hour depending on your ventilation and humidity. Second primer is not a resilient top coat, it can even become chaulky and need primer over it for paint to take of left long enough. How to remove Kilz primer from Brick So long story short had a miscommunication and some brick that we were planning on leaving exposed in a room got painted with kilz primer. I have used Gardz to seal existing plaster that had paint adhesion problems and also for new plaster work. Assuming you have wood siding . Both are oil primers and make you sick. First kilz will likely look blotchy as it is primer not paint. You might not need separate primer, though. I bought a house where the past owners smoked in it for 25 years. This will probably take a day with waiting between coats, but pretty cheap an not a major project. My next door neighbor has asked me to build them a basic bookshelf for their hole office. If your spraying at the least use a 1k. 1. None of the cheaper airless sprayers are safe for flammable finishes. I hate painting. now my bathroom smells like paint fumes and i can't take it. My preference is to use water based primer and cost effective. Most can, but you still should check. However, I don't think there will be any serious problem using the Kilz. There are special primer products specifically designed for killing mold. Everything I read indicates using an oil primer is the move to seal-in old marks, dings, stains, etc. We're trying to get in there Kilz primer, no paint needed? Looking for some advice, we've had a number of issues with the painter our GC contracted with (using our tools, not showing up, breaking things and not telling us, etc. I have a previously painted block foundation basement wall that hold mold remediated, and now have some ugly stains. Just renovated my own camper and used the advice that was talked about through several rv communities. To remove the smell I’ve been told to use Kilz Primer. Hope that helps! Because there's a difference. Update: Finished the garage and no more smoke smell! Thank you all! Used Kilz 2 for the first coat or primer (it took about 4 gallons to cover the mud drywalls). I’ve sold garage floor coatings for 30 years, I’ve seen coatings like this Kilz fail hundreds of times. No idea how they covered it up. Please advise the right primer. I did the same in the guest bathroom and regretted not priming, because I had to do an extra coat to get it looking its best. At first I tried a 2 in 1 top coat and could tell that wouldn’t work. It blocks tannin bleed, which most waterbased primers do not. mx ne nh qj rz vs fh fi ae jc