Exp. I'm finishing drywall on a 16" vaulted ceiling with clerestory windows. The product can be utilized by spraying it on preexisting drywall to ensure the compound adheres the wallboard. But if you get them, don’t worry; the lightweight compound sands easily. Adobe Illustrator: How to center a shape inside another. I have this problem in two different areas of the house from two unrelated jobs done by contractors. Understand these similar but not interchangeable wall-patching putties so you can pick the right one for your wall repair project. Where would I place "at least" in the following sentence? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I think if you prime with PVA primer, the mud will stick.. When they formed up the basement walls years and years ago, they weren't concerned with even finish. The plaster may be used over painted walls, but a small amount of prepping is needed to ensure the plaster adheres to the wall. You said thet you ruled out the dust. Right now we took thinned drywall compound and mixed it with the primer and tried it on the wall. Helping You to Do It Yourself! WALLBOARD - Joint compound must dry for two days before you prime with this product. Sounds like you may be applying the primer too heavy. I saw a product called plaster-weld. That’s just not the way it is with joint compound. When they formed up the basement walls years and years ago, they weren't concerned with even finish. I saw a product called plaster-weld. Choose a paint much darker than you want the final shade to be. The primer is white and flat, which I think looks OK for now. Joint compound is sold in 1 quart containers to a 5-gallon buckets. In the first tutorial, I shared some info on what kind of joint compound (aka “mud”) to look for and where to find it. I know for a fact that the drywall is not very flat or smooth, and have taken due care with feathering out the compound, but it's to the point where I need to start priming it in order to see where the deficiencies are. Most of the joint compound manufacturers will tell you "a quality, high-solids primer," or your option 2. After a leaking roof is fixed, the ceiling needs a couple of weeks to dry out before a repair should be attempted. Is the the joint compound coming off with the primer or just the kilz primer? It also scratches easily, so get a coat of primer on it as soon as you can. The all-purpose joint compound, also known as dry mud, can be a gamechanger if you use the right one. To learn more, see our tips on writing great answers. Generally, you want waterproof drywall above the shower. PVA primer is compatible with drywall joint compound, meaning the two will bind readily. How to Texture Over Oil-Based Paint on Drywall. Traditionally, plaster is mixed with lime putty (autoclaved lime). The contractors think I'm nuts. Most of those who do so, do it so either the ceilings won’t have to be painted or the walls will cover with one coat of paint. The texture will help the mud adhere better. I patched it with joint compound, sanded the entire general section of wall (1x4ft), and repainted it. After the primer has dried, get a spackle brush and your joint compound. Can regular joint compound be used on blue drywall? Q: Our 1920 house has semi-textured lath-and-plaster walls. I read online to prime the wall with a stainkilling primer, so I used killz 2 stainkilling primer. Every time I try to look it up I see marine coatings,gas supplies and some drug with a law suite. They have been waterproofed and painted. A slightly damp rag is fine; just don’t get it sopping wet or you risk wetting down the top layer of joint compound again (in most cases, it has to be completely dry for a solid 24-48 hours before you put up the primer – says so on the can, which may differ slightly depending on which you use). In some cases, an oil-based primer is used. Re: Tile on joint compound or primer - What's bett Tiling directly to joint compound is as bad as it gets. Does it matter if I saute onions for high liquid foods? Unfortunately, it doesn't stick well to gloss or semi-gloss paint. Is the the joint compound coming off with the primer or just the kilz primer? if one wants to remove a textured ceiling and wants to apply joint compound afterward I would suggest using it to insure the compound adheres to the wallboard instead of "flaking" after the paint prime coat has been applied. Thread Starter. Suggested AP because this is supposed to be the last skim, and hot mud is harder to sand (and get that perfect feathered edge). Did minimal wet sanding with standard tap water then allowed patch job to dry for over a week with a fan drying the area. Was the sanding dust removed from the walls prior to priming? For water heaters, steam valves and other high-heat applications, you'll be better off using an anaerobic resin compound or bonding cement instead. If you try to make it cover in one coat then it will just fall off. Hey, Mr. "Joint Compound Won't Stick To Walls" Not to freak anybody out or anything, but I happen to have noticed that someone found this blog this morning by googling the phrase "joint compound won't stick to walls." I read online to prime the wall with a stainkilling primer, so I used killz 2 stainkilling primer. You can absolutely mud over cured primer. Texturing a wall is a good way to give a room a new ambiance, and you can do it right over the old paint. Click to see full answer. I prime it and come back and the entire surface of primer will slide off like a skin. You use drywall joint compound for almost all drywall repairs. Next step is primer. It also scratches easily, so get a coat of primer on it as soon as you can. Member. I question it. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. I was thinking of first applying joint compound, then follow with priming, paint, and faux finish. Blisters are an indication of moisture, and even though the compound may be dry, some moisture may be transferring through from underneath. It is forbidden to climb Gangkhar Puensum, but what's really stopping anyone? Area has been cleaned and dried Thoroughly but primer won't adhere to areas where joint compound has been applied. Should I decide to "fix" it, can I mud over the PVA primer? Didn't have to inset any new 'rock, but, I did repair several areas where the surface was down to gypsum or barely there brown paper. Can I use the plaster weld over the poured concrete wall and then just layer on coats of joint compound to get a textured even finish, then seal with a primer and finally paint it? Posts: 2 Received 0 Votes on 0 Posts The jont compound is intact - just the Kiltz is peeling when tape was applied. I have thrown out the tile, used joint compound to level most of the wall, and sanded it for smoothness. Using a primer can be a good way to block out certain areas that you’d like to coat with joint compound and to prepare the area for work if there are different materials that the compound will need to adhere to. As you can see, the gray tint in the primer reassured me that I got even coverage to seal the wall. (Happens all the time) I would recommend sealing in the primer with a waterproof latex with texture. I would say some taped joints need one more layer of mud & light sanding to be completely hidden (especially the outside corners with the CGC Perfect 90 tape (If I used normal folded paper tape, It would've shown less). Holy cow, I registered just to comment. Repeat Step 6 and Step 7 until the entire plywood surface is covered with a smooth coat of joint compound. Picking Your Primer. Right now we took thinned drywall compound and mixed it with the primer and tried it on the wall. You'd likely going to have to go with a quality primer first. It only takes a minute to sign up. I've skimmed painted walls with joint compound more times than I can count over the past 30 years of being in this business, and never, not ever, not once, ever had a callback or any problem with the compound sticking. Learn how to cut in so you don't have to use tape on freshly (< 1 month) painted surfaces. How to tell one (unconnected) underground dead wire from another. To do the paint job correctly the texture should be primed after it has dried, doesn’t matter if paint was […] Period. Also, for joint compound to appear flush with the wall near the damage site, “feather” the mud as you apply it. This may seem like a pain but it beats haveing peeling paint. How to Choose Joint Compound | Family Handyman. Tips on joint compound Learn which joint compound types you need and are easiest to worth with. Thread Starter. Can't really get any real thickness applied since it begins to bubble and peel off almost immediately and subsequently sticks to the roller in strips leaving a pretty big mess. Unfortunately, it doesn't stick well to gloss or semi-gloss paint. The compound, which goes on wet, adheres to nearly any porous surface, but in some cases, you need to do some prepping before you can apply the compound. Can't really get any real thickness applied since it begins to bubble and peel off almost immediately and subsequently sticks to the roller in strips leaving a pretty big mess. Am I reading this correctly? In the first tutorial , I shared some info on what kind of joint compound (aka “mud”) to look for and where to find it. Use all purpose mud (not a setting compound) and scuff the primer gently with 120 grit. Why does the EU-UK trade deal have the 7-bit ASCII table as an appendix? Every system comes reccomended with a tile primer that needs to be applied to the substrate before it is poured. You use drywall joint compound for almost all drywall repairs. It is not a cure all. I would be curious to see thos batch numers on the primer and the mud. Was the repair done because of water damage? I'm challenging myself by attempting to faux finish PVC pipe to look like marble pillars. This will give the joint compound and paint a good surface to stick to. Is unpainted drywall with mud/joint compound dangerous to be around? Asking for help, clarification, or responding to other answers. All-purpose joint compound is a building material drywall finishers use to spackle, or mud, a drywall installation. WOOD - Interior, sand lightly to a smooth surface, then prime with this product. Yes, a primer is a requirement when using a self leveling compound or underlayment. I have a basement with concrete block walls. Why are many obviously pointless papers published, or worse studied? I know that PVA primer is 'special' because it soaks into the joint compound to a greater or lesser extent, dries quickly and hardens the compound, and gives a decent surface for you to apply a thicker 'hide' primer to even out the differences in texture between paper and sanded compound … I'd like to give them a more finished look, so my idea is to texture them with joint compound. However, after trying to tape, mud, and sand joints, it's not looking right. THAT is the kind of crappy advice people can do without, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The primer seals the paper and joint compound so that the wallpaper glue doesn’t soak in and dry out. All purpose joint compounds is worth the extra buck per 5 gallons you’ll pay for it. #3 04-22-12, 03:03 PM C. CathandJere. There is a possibility of the mud detaching and falling off. #3 04-22-12, 03:03 PM C. CathandJere. Lightweight joint compound is not for this. Making statements based on opinion; back them up with references or personal experience. It also scratches easily, so get a coat of primer on it as soon as you can. I rough-sand, skim with joint compound, let it dry, sand, skim with topping, and texture - then prime and paint. (Don't forget to sand in between -- but lightly, or you'll sand off all your hard work). Is the entire coating peeling or is it only where the bubbles popped open. PVA primer can be purchased in most any hardware or home improvement store. Learn which joint compound types you need and are easiest to worth with. It is applied directly over the plywood in a few layers, and will prep the wood to accept joint compound. Stick to low temperature systems. Was the sanding dust removed from the walls prior to priming? With spackle, you can apply it and be painting your walls within the hour. Try to avoid ridges and bumps with all purpose joint compound. Eventually, this can lead to unexpected leaks. Try to avoid ridges and bumps with all purpose joint compound. But if you get them, don’t worry; the lightweight compound sands easily. Being a hack taper myself I've fixed my work after priming many times. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! No More Nails adhesive on PVA primed drywall? Texturing a wall is a good way to give a room a new ambiance, and you can do it right over the old paint. Matthew, I would like to plaster then texture over old uneven concrete. It is a three part mix and 2 of the part C's were out of date out of 60 gallons. The product can be utilized by spraying it on preexisting drywall to ensure the compound adheres the wallboard. A primer is also … Wear gloves as the process can be a bit messy. Does paint stick to joint compound? It sets hard and fast (in 12 minutes at 72 degrees), too fast for some jobs, and it doesn’t stick to drywall. Joint compound formulations include “lightweight,” designed for easy application to drywall seams, and “setting compound,” ideal for small patching jobs because it dries more quickly. When you have to prime on unsanded drywall , then you should use 2 coat of primer on it. Overful hbox when using \colorbox in math mode. ... For the outside corner, use the corner bead. Not only does it cut grease and dirt, it etches the finish and improves paint adhesion. Any ideas about the joint compound idea or other recommendations would be great. The other reason is the fact that a joint compound is mainly designed to bring two side-by-side surfaces together as one when the compound is applied in a rather thin coat that adheres a paper tape or a mesh to each … This will allow the unsanded porous surfaces to smoothen up and to get a perfectly finished paint. No, the tile doesn't, the Thin-Set or adhesive does. The Drywall Sealer After taping and finishing drywall, you need to spread a coat of primer to seal the dried joint compound and drywall paper, or the paint coverage will be uneven and blotchy. How to Texture Over Oil-Based Paint on Drywall. If you're using self-adhesive fake tile, then you want and need to both sponge any sanding dust off and apply a Bonding Agent Primer. PVA Primer. One coat of primer on the paneling is enough to create a workable surface for the next step. If you only wish to cover a small amount of the plywood or patch a hole, skip this step. Exp. All purpose joint compounds is worth the extra buck per 5 gallons you’ll pay for it. I got impatient/lazy and decided to "finish" the project already by painting it with Kilz PVA Drywall Primer, even if the mudding & taping is not perfect yet. Contamination could be from dust or high moisture. SQL Server Cardinality Estimation Warning. I have had old batches of paint given to me on occasion. The ceiling is not textured nor do I plan to do so but I don't want the patches to stick out like a sore thumb either. In one room we used a steamer to remove wallpaper but damaged the thin layer of drywall compound … Why don't most people file Chapter 7 every 8 years? if one wants to remove a textured ceiling and wants to apply joint compound afterward I would suggest using it to insure the compound adheres to the wallboard instead of "flaking" after the paint prime coat has been applied. After all, primer isn’t just for making sure the paint sticks on top; it actually has several different purposes. Yes, a primer is a requirement when using a self leveling compound or underlayment. A coat of primer provides the necessary adhesion, and another one before you paint. Joint Compound is Designed for Covering, Not Filling. Who is next to bat after a batsman is out? Finally, skim coat wall and ceiling surfaces with joint compound and sand with a wallboard sander. Joint compound is an inexpensive plaster product used not only to hang drywall but also to texture walls. I'll take any feedback, advice, or suggestions that anyone has to offer. Same thing happens on concrete coatings if they are applied too heavy. (Or cured finish paint, for that matter.). So, I though (never a good idea to get this guys wheels turning) why not mix joint compound with primer and roll on a couple of coats just to even everything out. I still feel that there is contamination in the mud if the primer is bonding everywhere else. The other reason is the fact that a joint compound is mainly designed to bring two side-by-side surfaces together as one when the compound is applied in a rather thin coat that adheres a paper tape or a mesh to each surface by covering the space in-between them. You probably need to stop showering in there for a few days to let it get bone dry before you put primer on. Same result both times. I spoke to a guy who said that a plasterer handles blue board, but not usually with mud and tape. And, you don't want to mix plaster and joint compound together. Try to avoid ridges and bumps with all purpose joint compound. I am trying to install a tub/shower surround. Unfortunately, it doesn’t stick well to gloss or semi-gloss paint. Are SpaceX Falcon rocket boosters significantly cheaper to operate than traditional expendable boosters? Why little holes/dots when I apply joint compound? That quick mix joint compound the contractors love so much (I used the pre mix stuff and never have this issue) seems to have a surface like teflon in some spots. It also scratches easily, so get a coat of primer on it as soon as you can. A coat of primer provides the necessary adhesion, and another one before you paint. Why is the current Presiding Officer in Scottish Parliament a member of Labour Party, and not the Scottish National Party? It seems to be sticking to the old compound and drying properly. Polyvinyl acetate dissolves in water and the mud is water based too. Member. I would give it a week to dry further and have another go at it. or the equivalent. First of all, if you were using a Behr paint product, virtually everyone here would be screaming about the paint, and not even. Any advice on getting my new walls looking good? When you apply the joint compound, make sure you're using skim-thin coats. Spray adhesive to ensure the beads stick to the wall. Spread a coat of drywall primer on all the areas that need repair. We have to apply a mist coat and allow the zinc to gass out through the thin coating and then come back and fill it in with the rest of the coating after about five minutes. Do yo know of this primer(flomax). Area has been cleaned and dried Thoroughly but primer won't adhere to areas where joint compound has been applied. Any advice on getting my new walls looking good? It sounds like the mud had several days to cure, which is vital so that it is not re-wetted when coated with a latex primer (water-based). Priming the wall seals the joint compound, which has a different texture than the rest of the wall and absorbs more paint than the drywall.Priming blends the joint compound and the drywall, so the surface is uniform.Use a primer designed for painted walls. I used regular lightweight pre-mixed joint compound, though, no tape was needed. It's not wet, it's been cured for literally years. Eye test - How many squares are in this picture? We have this same issue when coating over inorganic zinc rich primer. I haven't painted it with Latex. Can I apply more joint compound over PVA primer? I have thrown out the tile, used joint compound to level most of the wall, and sanded it for smoothness. At the time, I was using regular all-purpose joint compound (with a green lid), but I’ve since switched to a lightweight version that produces less dust (or at least, claims to, with a blue lid). So, prime, skim coat, THEN shellac. The ceiling is not textured nor do I plan to do so but I don't want the patches to stick out like a sore thumb either. For a better experience, please enable JavaScript in your browser before proceeding. Thanks for contributing an answer to Home Improvement Stack Exchange! Guess I'll try that. Once dry, the joint compound can be painted with latex paint and glazed for additional dimension. So being told there was no difference between drywall and blue board, I replaced old plaster and lathe walls with blue board. How does this unsigned exe launch without the windows 10 SmartScreen warning? All-purpose joint compound adheres well to most surfaces, so you can use it … To subscribe to this RSS feed, copy and paste this URL into your RSS reader. However, after trying to tape, mud, and sand joints, it's not looking right. I'd expect it to work as well there as in other situations. Joint compound came premixed so was just the spread, sand and wipe clean kind. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. You'll have to do it, let it dry, then do it again at least twice, and maybe more if your walls are really bad. If the current latex primer does not stick to to this concoction, we will try some of the suggestions. Correspondingly, do you need to prime over joint compound? Primer will stick to dust, but dust doesn't stick to the wall. Slight discoloration on staining woods is normal. Prime entire surface with this product. This mix of plaster and ”mud” — builders’ slang for joint compound — is the modern part of modern plaster. Cured primer does not dissolve in water. Reading around the "rant", is seems like your answer is "yes, you can mud directly over the Kilz". JavaScript is disabled. A drywall compound and primer combo (such as 3M Patch Plus Primer, available on Amazon) ... Also, for joint compound to appear flush with … Was Looney Tunes considered a cartoon for adults? By using a primer, you remove any contanaments and seal off the substrate from absorbing the water inside the self leveling underlayment. How to hide patch of mud & oil primer under latex paint. If you weren't rinsing out your sponge/towel/rag often enough, it's likely that you weren't actually removing the dust. It's never been a problem. Matthew, I would like to plaster then texture over old uneven concrete. If you would like to add a primer, do so at least 24 hours before you intend to add your joint compound, and make sure the primer is totally dry. Could ther have been contaminated water used for cleaning or for mixing the drywall mud. Exterior, spot prime pine knots with this product. You use drywall joint compound for almost all drywall repairs. Thanks for the follow up. Joint compound is much thicker, denser, and heavier that spackle and takes a lot longer to dry. I spoke to a guy who said that a plasterer handles blue board, but not usually with mud and tape. I've seen this particular problem raised multiple times throughout various boards and can't seem to find a good answer so here it is again. It sounds to me like the moisture hasn't worked itself out of the system. Try to avoid ridges and bumps with all purpose joint compound. You need a high-solids primer to prevent bleed-through and uneven coloring. Something that will allow the mud to nicely bond--but even then, you're somewhat at the mercy of the existing layers of paint bonding well. Joint compound (also known as drywall compound or Mastic) is a white powder of primarily gypsum dust mixed with water to form a mud the consistency of cake frosting, which is used with paper or fiber joint tape to seal joints between sheets of drywall to create a seamless base for paint on interior walls. So, I though (never a good idea to get this guys wheels turning) why not mix joint compound with primer and roll on a couple of coats just to even everything out. You have to give joint compound adequate time to dry. How to Choose Joint Compound | Family Handyman. All purpose joint compounds is worth the extra buck per 5 gallons you’ll pay for it. That’s just not the way it is with joint compound. You may need to thin out some of your primer and stripe coat over the joint compound then follow up with the remainder of the primer. I'm not sure why you would be having a bonding issue unless there is still dust on the walls. While pipe dope forms a strong seal under normal conditions, intense heat can cause the sealant to shrink and crack. On my second attempt with two different primers (both Sherwin Williams Flomax - one tinted and one just standard white). Also, this is a 3 year old question, and your answer doesn't really add any additional info to the upvoted answer which says the same thing - "Yes" you can mud over it. About a month ago, I noticed some serious mildew growing on/in the area of the original damage, and realized I had just used plain ol' interior paint (the house came with a few cans in the basement, conveniently the right color) rather than one of those anti-fungal paints. Every system comes reccomended with a tile primer that needs to be applied to the substrate before it is poured. PVA primer has no ability to block stains and isn't effective as a wood sealer. If the current latex primer does not stick to to this concoction, we will try some of the suggestions. When I need a pragmatic "fix" for a limited area such as your's I do a two-step procedure: (1) Coat on Bondstone Bonderizer (trouble is this may not be nationally distributred??) All-purpose joint compound adheres well to most surfaces, so you can use it to make repairs on plaster walls. Additionally, you should always prime any patchwork with a PVA primer. I technically live in a flood zone so insurance wouldn't cover a finished drywall basement. But if you get them, don’t worry; the lightweight compound sands easily. All-purpose joint compound is a building material drywall finishers use to spackle, or mud, a drywall installation. Have heard that the joint compound itself has to be sealed to allow adhesion with something like Zinsser Gardz Sealer. It has a good chance of working If the subfloor from the room above has any deflection, this may cause the mud to … Step 2: Apply joint compound to the grooves in the wood paneling. Join Date: Apr 2012. It separates. Joint compound is sold in 1 quart containers to a 5-gallon buckets. It'll likely dry darker than it … With spackle, you can apply it and be painting your walls within the hour. Just reading your message makes me feel better. Not only does it cut grease and dirt, it etches the finish and improves paint adhesion.
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