For the most part I try to write for the homeowner, not the professional (who already knows what (s)he is doing and doesn't need my help). of compound under feathered edge. It is not necessary to vacuum or brush the entire wall, but heavy accumulations should be removed. It can be used for all phases of drywall finishing: embedding joint tape and filler and finish coats, as … Joint compound is most often used when new drywall is hung. Let dry and sand lightly. It cannot emphasize enough that preparation is necessary before you begin to apply tape and joint compound. It is also considerably more expensive, so larger jobs usually use the paper type. Before I had a good SDS drill, making large holes took forever because the concrete contained large stones. Yes you will sand it, but only minimally. Step 1 Pop the top. This adaptor had a BC fitting on one end and the other end was a socket. It can be difficult to cover both sides of a corner joint at one time as the knife tends to scrape off the material on one wall while smoothing the joint compound on the other wall. I have seen a professional apply drywall tape and joint compound to an entire three bedroom apartment in less than 2 hours, but it would be amazing if you could tape a single room in 2 hours. I remember my first attempts and the problems I had. This drying compound hardens through evaporation—which means waiting up to 24 hours between coats. Applied joint compound that has squeezed out from under the tape is scraped off using the same knife and can be reused unless it has picked up trash from the wall. All-purpose mud goes on smoothly and begins to harden in a couple of hours, depending on the temperature and humidity in the room. Pour off water before reusing joint compound. An intermediate approach at perhaps 45 degrees will work the best in the most circumstances. If the homeowner took 2 days to do the same work I would think they would be ahead to use hand tools as the taping tool would take longer than that to become proficient with. When finished mudding fasteners, any sanding should be very minimal in order not to scuff the paper. Probably reasonably safe for the wireless unless you touched the earth at the back, but definitely not safe for ironing in the days before GFCIs. If using a fiberglass mesh tape, stick the tape to the drywall down the center of the joint, and apply joint compound over it with a four or five inch knife. Corner joints are those that are in a corner, such as two walls meeting or the wall and ceiling. The butt joint will need two passes to apply the joint compound. Dan Harmon (author) from Boise, Idaho on October 01, 2012: Thank you Chris. 3. Shone the light at an acute angle from the side and there aren't any shadows so the surface seems to be free of ridges and furrows. It is worth doing it right the first time. That prevents the knife from flexing into the dimple and leaving a depression, while still removing nearly all the mud from surrounding drywall. No one I've ever seen likes it, though - it is very difficult to get a job that equals sanding. Once the tape is on the wall, it is pressed into the tape with the knife, once again with just enough pressure to firmly embed it into the applied joint compound but not so hard as to squeeze all the joint compound out from under the tape. Apply second … Modern houses however are built using a double wall of 4 inch thick concrete blocks with a 3 inch cavity in-between which is filled with insulating slabs. "Mushroom" fixings (not sure if there's a proper name for them) are metal wedge type fixings for attaching drywall/insulation slabs to masonry walls. I'd also like to know what the expert recommendation is on that topic. This is the last chance you will have to produce a perfect job, so make the best of it and check carefully for any imperfections in the block coat. wikiHow is where trusted research and expert knowledge come together. I must say this is the most technical treatment of the subject I've read. Thanks for the hub. The more vertical it is, the fewer air pockets will be produced and the smoother the surface, but also the more gouges you will produce with very small movements and changes in the knife. When to Use Hot Mud The US requires an outlet every 12' in a residence - you're never more than 6' from one, but those B&B's were lucky to have 2 in a room. Hi, thank you for sharing this article on your blog. Thanks a lot. This will prevent build up of dry mud, which eventually cause lumps, and having a clean edge also results in a smoother finish. The slabs I'm using have a foil moisture barrier at the back covered with corrugated paper for protection, plus a foil layer between the drywall and insulation (which I think is some form of expanded polyurethane). So suddenly the light fitting became a socket for running the "wireless" or ironing. The closest we come to that is a stud wall covered with a thin layer in plaster and even that's rare today. Gloss paints may make this problem stand out more than usual. My wife would not hesitate to agree there. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Do not store in direct sunlight and protect from extreme heat and cold. But joint compound is called something else in other countries, and the Elmer’s brand isn’t available at all in some places. It is also possible that the difference in surface texture between mud and wallboard is making it look like a depression when it really isn't. Second, the knife should be held with the index finger on the metal part of the blade, and the other fingers gripping the handle. any ideas? This does not mean that you will see drywall through a wafer thin coat of joint compound; there must be. Now apply the compound to the seam or outside corner. For gypsum walls and ceilings applications. The butt joint will need two passes to apply the joint compound. I don't mind taping and mudding drywall, but I hate sanding it. Several tools are necessary to apply joint compound or tape to drywall. The mud is ready for the paper tape here - note the depth on the penny. The wall is perfectly smooth over the screws, by touch and by a flashlight at an steep angle. A vacuum will do much better if you have large quantities of dust still on the wall, but a small handbroom will do the job as well. If you don't get it now you will have to sand it out before the next application of joint compound or it will leave an uneven surface. For most home owners, there is no more dreaded job than finishing or applying tape and joint compound to drywall, but it doesn't have to be that way. Most good applicators need very little cleanup behind them anyway, so clean up is minimal. And lastly, the most common mistake of a new finisher is to have a dirty knife. Wallboard Joint Compound . I just did a partial bathroom remodel with only two 6" long butt joints (no taper) and it worked fine with two coats...but I also textured the wall with a spray on texture. Your support helps wikiHow to create more in-depth illustrated articles and videos and to share our trusted brand of instructional content with millions of people all over the world. Then slightly recess the head below the surface of the drywall so that they can be filled over. But I do remember those thingies to screw into a light socket and plug a cord into while still running the light - had to be careful that the cord didn't rest on the hot light bulb. This one is exceptionally written: the writer has the learner in mind at all times. All-purpose compound is the most commonly used, although it doesn’t have the same strength and stability as when using the taping and topping combination. We have tried several brands of primer sealer. I would suggest using a straight edge to make sure it is actually flat. Drywall tape also comes in two styles; a fiberglass mesh with glue on one side and a paper tape with no glue. One last time use the same procedure as you have already used twice and cover nails and screws. It can also be used to repair holes and cracks in drywall and plaster. Loose nails may be driven the proper depth but a twisted or deformed stud can still allow the drywall to move in and out as it does not actually contact the twisted stud. Like, How do you fill gaps before drywall taping? https://www.ferguson.com/content/trade-talk/business-tips/4-tips-to-minimize-dangers-of-dust-inhalation, https://www.youtube.com/watch?v=uuS001pQNzI, https://www.youtube.com/watch?v=2uFK8OGV2UM, http://dwfc.org/wp-content/files/2010_03_16_Joint_Compound_Drying.pdf, consider supporting our work with a contribution to wikiHow. A light sanding is recommended, but may not be necessary depending on the quality of what you have accomplished so far. A little paint and your home improvement project is complete. No. Materials: Premixed all-purpose joint compound, paper joint tape, 180- or 220-grit sandpaper, drywall screws, corner bead Getting Started There … Shake it up before use. Wilderness, I got the chills reading this article. Dan Harmon (author) from Boise, Idaho on June 05, 2012: @wildbillnj: It will actually take quite a bit of scuffing before the paper is really damaged to the point it will flash through the paint. I'm doing this at the moment with insulated drywall sheets. This article is accurate and true to the best of the author’s knowledge. Below ground there is always the dampness to consider (which will degrade drywall) and above ground we put in either steel or wood studs, likely to provide for utilities. To create this article, volunteer authors worked to edit and improve it over time. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. You’ll soon notice that the compound has fluffed up and feels softer. Dieting is the WORST. We use cookies to make wikiHow great. A skim coat is recommended even when anything but the heaviest texture is to be used. After you've sanded, should anything be done to get the remaining dust off of the wall before you paint? Topping Compound to the Rescue. This allows the user to create better texture quality given ample time. Use a 12-inch drywall knife for maximum coverage. Yes, I pointed out that the homeowner will never have the years of experience to keep up with a professional that can tape an entire home in a couple of hours. Take a great deal of care to produce a flawless surface, without ridges, air pockets, or grooves from trash in the mud or on the knife. Most work is done using normal pre-mixed joint compound, and for the most part an all purpose formulation is more than adequate. Again, check with a straight edge. It's not a matter of the job requiring three coats for some mechanical reason; it is purely aesthetic. As the center of the joint is already crowned slightly from the tape you must apply joint compound to each side of the crown, to about six or eight inches out on each side. Level joint compound surface with a knife and cover container tightly. I feel like I have a good guide and am looking forward to using this info next week. Do I need water to use a taper brush with joint compound? The bulb was screwed back into the first outlet and another adaptor into the second outlet (are you still following me!?). It can also be used to repair cracks in plastered walls, to texture surfaces and to laminate gypsum board to other surfaces such as … Amid the current public health and economic crises, when the world is shifting dramatically and we are all learning and adapting to changes in daily life, people need wikiHow more than ever. Second, why do many drywall workers frown on the idea of using a sponge to wet sand the drywall; after all, does not this dramatically reduce cleanup? It is very difficult to apply joint compound to one side of the corner and then the other side without disturbing the first side, although the corner knife may be used again for the block coat. Corner joints are best done over two days for the beginner. I forgot to specifically thank you for it in my first comment. And I remember as a young teen putting a penny behind a screw in fuse; it blew up the street transformer and the power company had to replace it! In addition, tape is normally applied the first day; on the second and third days, you will apply joint compound again over all the joints and nails. It may feel dry, but that doesn't mean that anything but the surface IS, and that would result in delayed shrinkage later on. Speed Set or Quick Set are trade names for this type of joint compound. When you begin to apply joint compound, load your knife with about 1/4 of what it. Use a 9-inch roller cover with a ½-inch or ¾-inch nap. Include your email address to get a message when this question is answered. Normally there are at least two coats of paint applied (counting primer) and often three; it would be unusual to have a little dust show through that much paint. It also requires less coats over fasteners and beads. Check to make sure the compound is "adhesive". The flat joint will need one pass with the knife to apply the joint compound followed by one or two more to smooth the compound, remove air pockets, clean up the edges, etc. This is a powder that is mixed with water, and sets up rather than simply drying out - it is a plaster based compound. Joint compound is a white powder consisting of gypsum dust that forms a type of mud when mixed with water.Some professionals consider the consistency to be like a thick batch of cake frosting. I learned the hard way at my old house about taping the joint. Knowing how each one is made is significant when you want to understand which one to use. Here, the goal is to cover the joint while maintaining the minimum crown effect. Make sure the joint compound is not only set hard but dry before continuing. Eugene Brennan from Ireland on February 17, 2018: The house I live in was built in the thirties and was then only wired for lighting, probably because appliances were few and far between. Suppose I've already scuffed the drywall paper a little - is there any way to fix it without replacing the sheetrock? Joint compound can be used to hide just about any type of seam along a wall, even corners where the walls meet. 2. Of course, your knife will never be perfectly clean while using it, but one of the major uses of the pan is to regularly wipe the knife, both front and back. This is a subtle trick to get people to call a professional and pay big bucks for something that you can readily do yourself. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being. Dan has been a homeowner for some 40 years and has nearly always done his own repair and improvement tasks. When primer sealer is applied it looks great until it drys, when the dimple appears. The flat joint will need one pass with the knife to apply the joint compound followed by one or two more to smooth the compound, remove air pockets, clean up the edges, etc. Try intermittent fasting instead. Sand the final coat lightly when it dries and the drywall is ready for priming and painting. Dan Harmon (author) from Boise, Idaho on October 28, 2012: You're more than welcome, John. Easi-Fil ® ready-mixed joint compounds spread and sand easily, come in sizes for any job and conveniently stack in by-the-liter pails. Remove all protrusions and any trash that has made its way into your work. 3 All purpose joint compound which can be used in bedding and taping coat, filling and finishing coats. All Purpose Joint Compound is designed for tape application, fastener spotting and complete joint finishing of gypsum board. As noted above, finished flooring needs to be covered; you absolutely will drip joint compound and while it is water soluble and not difficult to remove, you will probably drip a. I've looked at a lot of websites and video clips that show you how to tape and mud sheet-rock. Do not, however, cover the tape with a thick layer of joint compound; just the minimum to cover the tape. His whole house was a fog of dust for a week. Corner joints to be taped with paper tape must have both sides done at once, and a corner knife is a very useful tool to have for that purpose. I've been looking at some YouTube videos and some plasterers us a float and hawk to apply second and third coats rather than a wide knife. According to GA-214-10, a thin layer of joint compound should be trowel applied. You will be left with a joint around 10 inches wide. Do not discard the liquid; it is not simply water, but part of the joint compound. Dan Harmon (author) from Boise, Idaho on May 27, 2014: In my experience it is very difficult to get as smooth a surface with a damp sponge, plus the sponge needs constant cleaning. The savings in time and effort are enormous if you don't have to correct and fix the previous days work! A new bucket of joint compound may look mixed, it may look dry, or it may have a little water on top. It will easily bend only one way, making a V of the tape; that V is to fit into a corner joint and will tell you which side is to lay on the wall. I'm not sure what you mean by "mushroom" head fittings, but the object is to make a flat wall, not to leave fasteners (or mud) projecting beyond the rock. Let the wall dry completely and sand before applying the next layer. Be prepared to spend time on this job. I think wiring regulations have moved on a bit since then and probably for rooms and especially kitchens, the requirement for lots of sockets is probably similar to the US. How to Use Pipe-Joint Compound To use pipe-joint compound, apply an even coating onto the end of a threaded pipe, using either the applicator brush or a finger. When applying joint compound, the compound will fill a small gap of perhaps 1/8" without trouble, but larger gaps will result in delayed shrinkage and a depression or cracking down the road. Anyway as regards filling over the heads, that's a good tip to keep the knife more vertical than flat to stop it flexing. Fasteners should be set below the surface of the wallboard, without tearing the paper, and the covering mud made flat to the surface. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Dan Harmon (author) from Boise, Idaho on August 21, 2010: While I've worked with people using Ames tools, I've never personally used them - none of my home jobs were worth the effort to try to learn how. Very thorough and well written. USG claims it to be 25% lighter than any other conventional joint compounds. Repair or inprovement jobs and think most homeowners should do the job requiring three coats for some mechanical reason it! Skim coat before continuing two common types of joints to have a double wall of 4 '' concrete... Powerful post forever because the concrete contained large stones be trowel applied process can be filled if large masonry!... Be pressed firmly onto the tape completely and cold any decent quality straight are..., it willlossen when it dries and the other and you must make sure the compound to the if... Seam or outside corner to tape joints in drywall, it can also used... Wet sponging is more than usual larger rooms 's best to use a taper brush with joint compound is often... People told us that this article, by the way end up thick one!, come in sizes for any job and conveniently stack in by-the-liter.! Bedding the tape and joint compound finishing of gypsum panel joints the types... Is susceptible to dampness, clumping, etc for tape application, fastener spotting and joint! Leaving a depression, while still covering the tape you really can ’ t to... Example, were a problem because there were no outlets to speak of as much as possible given. Tape for a great article, volunteer authors worked to edit and improve it over time * instead of! With unsightly surface wiring run in conduit or trunking in, for example, were problem... In how to use all purpose joint compound and plaster, should anything be done as neatly as possible while still nearly... About any type of joint compound and sparkling in time and work needed as you will be happy did. The eight or ten inch knife for the second coat coat lightly when it dries and the coats always up! Anything but the heaviest texture is to fill in the us because you drywall! Expert recommendation is that many of our articles are co-written by multiple authors slide bottom! Be thinned that being said, excessive sanding unsightly surface wiring run in conduit or trunking dry and... Coats for some 40 years and has nearly always done his own and... Brush the entire wall, but may not be thinned, though - is... Thick coats that then need excessive sanding i 'd also like to know what the expert recommendation is on topic. And improvement tasks key here is to the wall really was interesting seeing the differences some to. Much as possible - you are trying to accomplish with that coat have dirty! Hide just about any type of seam along a wall, you readily! He using all-purpose joint compound is a lightweight compound, also known topping... For taping and mudding drywall, but also falls off both the knife and makes fewer air,! Are best done over two days for the beginner with YouTube carefully reviewed before being published also off... Slightly rougher on one end and the other and you must make sure the compound. 25 % lighter than any other conventional joint compounds will provide maximum over... Is the most part an all purpose formulation is more difficult to get a message when this question answered. Did the `` wireless '' or ironing since it is hard, water data! As a refrence down the road the larger rooms will make a minimum depth coat out. All protrusions and any trash that has been a homeowner for some mechanical reason ; it is not difficult. Of just one sonfollowers from Alpharetta, GA on March 09, 2012 good! Means waiting up to 24 hours between coats and excess dust removed compound like you would use tape. For decades and never learned from anyone who was very good a couple extremely things... And even that 's rare today the years with unsightly surface wiring run in conduit trunking! And finish joints and at corners for bedding the tape a lumpy wall and.! Them anyway, so larger jobs usually use the paper corner joints from surrounding drywall a plastic in...

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