I was tempted to use the Nu Wall system someone recommended but I wanted to get going right away so I figured I would try Joint Compound. You can also use a sponge or a trowel to place texture exactly how you want it. To make a gypsum plaster, manufacturers add cross-linking chemicals to bind the mixture. 3 min read. You can apply the plaster as thickly as necessary in order to achieve the smooth surface you need to apply a fresh coat of paint. I took the advise of previous posts and I am using Joint Compound for a skim coat. HOME; ABOUT ASG; PRODUCTS. The plaster itself consists of a mixture of lime or gypsum, an aggregate such as sand, and water. Spread the compound on in random directions to keep it as natural looking as possible. Add To List Click to add item DAP® Plaster of Paris Dry Mix - 4 lbs to your list. Joint compound, also called drywall compound, is a putty that has the consistency of plaster and is designed for larger jobs. Patches, and overlays can take several days because drying must occur between coats of Joint compound and before sanding. Joint compound is made by mixing gypsum dust and water into a paste. Quality assurance with ISO9001, ISO14001, Green Label, etc. Lowest / well known to have joints and screw areas visible after painting depending on light. Plaster of Paris. This mix of plaster and ”mud” — builders’ slang for joint compound — is the modern part of modern plaster. Spackle. 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. When Old horse hair ceilings or walls start to go bad they often do not require complete gutting and can simply have a new layer of blueboard screwed up over the existing plaster however you usually run into areas where the screw head is too small to effectively withstand the forces of tightening the loose plaster to the underlying wood lathe and will pull through the drywall. It is best to work in small areas at a time. When resurfacing old horse hair plaster or severely damaged walls the wider mesh tapes can be imbedded into the base coat plaster to help prevent future cracks or to stabilize the wall. There are many different types of plaster and each plasterer has his favorites. For starters, buy a bag of 45- minute setting drywall compound; you’ll find it in 30-lb. Finish the taping with regular joint compound to a smooth (also known as a No. It works best on plaster walls because the texture is similar. Evaluate what your specific needs are before you dive into a new project and purchase materials. Specializing in building and renovating homes, Thomas Luttrell has worked in homebuilding since 2002. Expansion beads are rarely used in residential homes because they leave a visible line in the surface however when it comes to very large ceilings and walls you run the risk of cracks developing without their use. ... Click to add item "DAP® Plaster of Paris Dry Mix - 4 lbs" to the compare list. Skimcoat. Plaster is much more effective then joint compound in these situations. Setting-type joint compounds are better for patching than drying-type joint compounds, which just aren’t as strong. ASG Multi Purpose Joint Compound used for taping, finishing Gypsum Board Joints, filling, covering and for Final Touch-Up Coats in Interior Gypsum Board applications. The application tends to indicate which product is the best fit for your project. The main reasons for the differences in life expectancy is that joint compound has a very low tensile strength, is very susceptible to moisture and lets face it you the majority of the wall is nothing more then paint covered paper unlike plasters. Corner beads are used to finish outside corners, J beads and stop beads can be used to prevent moisture from wicking into the drywall or to give a straight edge to the wall where it butts up against an irregular surface.These beads can also be used to create some very unique architectural features such as recessed or protruding offsets. Whether you are taping drywall seams or patching a hole in the wall, most homeowners are inevitably faced with a choice between joint compound and plaster. No, I got that. bags (and sometimes smaller boxes), with names like Durabond 45 or Easy Sand 45.It comes as a powder—mostly plaster of Paris—you mix with water as you need it. Blue board, Most dry surfaces treated with bonding agent, however if large areas Kal-Kote highly recommended. To make a gypsum plaster, manufacturers add cross-linking chemicals to bind the mixture. Traditionally, plaster is mixed with lime putty (autoclaved lime). Unikal can also be used for texturing as well as for smooth finishes. The main ingredient in joint compound -- or mud -- is gypsum, and it's the product that you use for taping and finishing drywall seams. Both me and my plaster guy use Setting-Type Joint Compound (the type you mix), but prefer not to use pre-mixed joint compound from the tubs. Even if you use a harder more durable mud or plaster, it will still most likely crack because of the age of your house, and the fact that your walls are already cracking (and will probably continue to do so). With low-dust joint compound, the best finish is one that is medium-hard and somewhat rougher, a … Plaster of Paris is best for patching holes. The joint compound lets you work using a thinner coat. Using a broom, you can swirl the plaster around on the ceiling to create a one-of-a-kind texture. There are different for plaster and joint compound are not interchangeable. JOINT COMPOUND ; JOINTING COMPOUND (CEMENT BOARD) STOPPING COMPOUND. Dec 26, 20. Plaster vs Patch Plaster vs Joint Compound. Joint compound vs plaster skim coat; The joint compound has gypsum, mica, and dust. You can also use it to patch holes, although it takes longer to dry and shrinks more than spackling paste. Sponging vs. Sanding Drywall. Drywall mud comes in four basic types, and each has its advantages and disadvantages. This difference in consistency is one of the most important features that sets the two categories apart. It’s usually comes in a pre-mixed container for your convenience and is commonly used for taping and finishing drywall seams. In these instances there are special fasteners that need be used but unfortunately they require the use of plaster in order to properly bury them so you do not have huge bumps. Plaster sets quickly and is generally more difficult to work than joint compound or patching compound. Most people who are wondering about the difference between plaster of Paris vs. joint compound need to tape their drywall seams. Ignoring this fact when having repairs done can have huge financial implications in the form of taxes and/or fines. If there are multiple cracks or locations to spot, use a dry joint substance that can be mixed to a desired uniformity, such... Business Solutions. Post by Heidi » Mon Jan 08, 2001 3:07 pm. It also allows you to spread a thinner coat that can be more easily sanded when the project is finished. While both plaster and joint compound can be used to tape your drywall, it is important to understand the subtle differences between these two items. The use of Kal-Kote base coat over half inch blueboard (half inch thick drywall is what is used in a houses interior walls) will provide the same fire rating as the thicker fire coded sheetrock. A similar technique applies for medium-sized holes or cracks in drywall or plaster measuring several inches, but opt for joint compound and … Temperature changes also cause the different materials of your house to expand and contract at different rates. Both advertise that they can perform the same basic tasks, so how do you know which one is right for your project? It’s usually comes in a pre-mixed container for your convenience and is commonly used for taping and finishing drywall seams. Joint compound is great for common textures such as popcorn ceilings or knockdown textures. All plasters utilize a chemical reaction we called setting to get hard, just like cement. Sands can also be used to get different texturing effects. Model Railroader is the world's largest magazine on model trains and model railroad layouts. But the thing about plaster is it takes a lot of skill to apply. Plaster patching must be done with patching plaster and sometimes plaster of Paris for the best results. The party wall (block wall between two row homes) in many of my rentals is plaster applied directly to the block. While plaster-and-lath construction was common in older homes, walls in modern … Best Base coat is more like cement and when struck with a steel trowel it will generate sparks. In addition, plaster actually bonds chemically with the paper in blue board, creating a surface that is much harder than regular drywall with a Level 5 finish. When peeled, I see several layers of paint (at least 3) over a thicker layer of what looks like joint compound or spackle over a gray, very pourous, plaster wall. more than lightweight compound. If you want a unique look on your walls or ceiling, deciding between plaster and joint compound is another important choice. Plaster Pros and Cons. Plaster can withstand getting wet and being exposed to high humidity areas much better then joint compounds can. Which material is preferred? plaster can be applied more thickly (joint compound you get about 1/8") plaster to me is like working with thinset except you will see the plaster as thinset is almost always hidden; joint compound can be sanded more easily; joint compound is more prone to cracking (this is about application too) I would personally only use plaster for a very small area that is having cracking problems. In order to decide which one to use, you must consider the application. This page contains a brief discussion about the frequently misused term drywall, followed by a chart to compare the differences between one coat and two coat plaster methods as well as sheetrock and joint compound, then finally for those who want a bit of information overload, a more in depth discussion about it all. Sheet rock, some painted surface but has a higher rate of separation from surface depending on paint and other variables. There are several different types of plasters and several manufacturers of blue board. heavier than midweight compound and 20 lb. Joint compound is used for embedding paper tape, finishing drywall panel joints and for hand-applied, simple texture. Plaster is a technology that has perhaps outlived its utility and is not used very frequently in homes. On the other hand, the Joint Compound, popularly known as mud, is used for giving a finishing touch to the wall. It’s designed to be a joint compound. Using joint compound over plaster walls won't cause any adhesion problems, but the two types of materials might have visibly different textures after paint, making the surface of the wall or ceiling look inconsistent. While both plaster and joint compound can be used to tape your drywall, it is important to understand the subtle differences between these two items. Beginners Overview to Best Training Institute In Dubai. One type of drywall are the Fire Rated Drywalls, these are require in garages and on walls and ceilings that abut adjacent apartments, or common areas such as halls between apartments. The life expectancy of sheetrock and joint compound finished surfaces is much shorter then it is with blueboard and plaster. Tape the joints with fiberglass mesh tape, and cover that with a quick-drying joint compound such as Durabond 90. Business Trends. Choosing plaster for the ceiling gives you a wide variety of styles to choose from. If you have an older house at some point you may find that the walls have gotten beat up and need to be resurfaced or gutted and replaced. Small Repairs. Unlike joint compound, this mixture forms a relatively thick paste. © 2015 Hensel Plastering, LLC, All rights reserved, Blue board, Sheetrock, Steel mesh lath along with most surfaces treated with bonding agent including paint brick, concrete, cinder block and wood lathe for historical landmarks designated home. When old plaster walls are gutted the door and window jams may require heavy and varying fill depths to flush them out for the trim. Save my name, email, and website in this browser for the next time I comment. It tends to do better when covering joints or screw holes. Because joint compound is softer, sands easily, and sets slower than patching plaster, it’s easier to work with. On the other hand, plaster is made up of lime or a combination of gypsum powder, sand, and water. Remodeling Challenges and Other Unusual Circumstances It can also be used to repair holes and cracks in drywall and plaster. The main ingredient in joint compound — or mud — is gypsum, and it’s the product that you use for taping and finishing drywall seams. If your walls are structurally sound and the paint is not flaking off a bonding agent can be applied to the walls and a two coat plaster system can be used to refinish them. There are many different styles of paper and fiberglass mesh tapes as well as a wide variety of beads and each of these products has a specific purpose. Type above and press Enter to search. Joint compound has a longer working time, which could be ideal if you are unaccustomed to taping drywall seams. Plaster wall surfaces are constructed from layers of hard plaster that are built up over a wood or metal framework called lath. If youâre not sure which one to choose, here are a few things you might want to consider. You can use the setting-type compound to fill large cracks and holes but first paint any bare, unpainted areas of plaster with shellac. Remodeling can present a lot of challenges that make plaster a much better product then joint compound for finishing. In the end the finished product you end up with is a stone surface covered by paint. For such types of constructions joint compounds are considered to be a better, cost effective and durable solution. I then re-taped using self adhesive mesh tape vs. the paper tape they originally used, but there are pros and cons to both types: I mudded the joints and all the nail holes, first using the same hot mud method that I used in the MoneyPit 1.0 kitchen , and then with premixed joint compound (when I ran out of powdered setting compund .) Joint compound finished drywall has a much shorter failure time when if there is a fire because it is just paint covered paper whereas plastered walls actually create a stone surface that will withstand fire for a longer period of time. The residential type of veneer plaster is a little easier to trowel to a smooth finish and still provides a finish surface much harder than traditional gypsum board finish. Joint compound, also called drywall compound, is a putty that has the consistency of plaster and is designed for larger jobs. It is spread across a surface to give it a smooth finish or cover up any blemishes or holes. Apparently, joint compounds work more effectively on renovation or any drywall projects. Plasters are very effective in filling up the low areas and making a level/flat surface whereas sheetrock can actually exacerbate this because the finishind of joints and nail heads is accomplished by creating high areas as layer upon layer are applied. This is required in order to maintain the legal standing of historical landmark. More homeowners are now opting for custom textures and unique finishes. Business Companies . Fill in the holes with joint compound. For starters, buy a bag of 45- minute setting drywall compound; you’ll find it in 30-lb. Primarily popcorn and knock down, which advertise the fact it is a lower quality sheetrock system. Over time this movement can cause screws and joints to start to show up. A veneer-plaster finish is very different. For such types of constructions joint compounds are considered to be a better, cost effective and durable solution. Regular joint compound contains over 35-percent limestone and less than 5-percent content each for attapulgite (an ingredient found in antidiarrheal medications), mica, and talc. This not something that can be accomplished very effectively by joint compound. By contrast, low-dust joint compound raises the limestone content to closer to 50-percent, dispenses with the talc altogether and replaces it with an equal amount of perlite, and retains the attapulgite. Allow to dry before continuing. If you decide to use plaster, you will find that the entire project becomes more labor-intensive. And if you don’t know what you’re doing, then it’s a lot harder to fix your mistakes than it is with joint compound. Substrates, temperature, humidity, air flow, what is in the water and how long you mix it all must be taken into account by the plaster to decide if he should use additives and how much to mix up. You typically see plaster in more complex jobs or old houses. Business Companies. But they are a world apart when it comes to action. Resurfacing an entire wall or a particularly tricky patch job may lead you to choose plaster. Even if you mix a low tech (joint compound with plaster of paris and water) you get the job done in one coat follow by a finish coat the same time. It also allows you to spread a thinner coat. Compare Click to add item "DAP® Plaster of Paris Dry Mix - 4 lbs" to the compare list. https://www.askdavethepainter.com Here I will discuss various putties; spackle; and joint compound. Without these hardening chemicals, the gypsum paste … Its your call do you want to override the architects orders of a nice intentional uniform indentation in your large ceiling or do you want to run the risk of an ugly crack. What is the difference between joint compound and plaster? You can apply multiple coats with as less sanding as possible until the dings and cracks smooth out. You can also use 3M Patch Plus Primer that can be painted over almost immediately, so you can skip the primer step. plaster is thicker plaster can be applied more thickly (joint compound you get about 1/8") plaster to me is like working with thinset except you will see the plaster as thinset is almost always hidden joint compound can be sanded more easily Sku # 5592209. Tapes: Despite what many amatuer may say the manufacturers of joint compound state that fiberglass mesh tape should not be used with drying / non setting joint compounds. Business Companies. It quickly becomes obvious why the untrained should not use plaster. Press Esc to cancel. When I embed tape and corner beads or when I complete plaster repairs, I use heavyweight compound. The difference between plaster and joint compound, explained! Does that mean spackle has no place in your home? With a flat plaster spatula, spread a thin layer of compound on the wall, overlapping each section to give the surface a textured look. While it may seem like joint compound and plaster have a lot of things in common, they are actually used for different purposes. Joint Compound Vs Plaster. plaster vs joint compound Blueboard and Plaster versus Sheetrock and Joint compound: Understanding the differences ! Some plaster finishes can be mimicked but tend to look amatuerish compared to plaster. There are fillers that can be added to make plaster less dense when it needs to be applied to metal lath, wood lath or if thick plaster is needed to feather out deep transitional areas or to fill big holes. A 5-gal. Spackle being made … This joint compound is sometimes also referred to as drywall mud by the professionals. Because of the thicker consistency, you will likely have to sand it down more heavily before you can achieve a seamless finish between two sheets of drywall. Safety: House fires, while rare are where the safety differences between joint compound and plaster come into play. Conclusion. Carl, I'm in the middle of working on my kitchen walls right now. Best especially when resurfacing entire walls and ceilings, deep or irregular patches, curved surfaces. Not only is this compound extremely heavy to lift, but it also requires more effort to spread and sand. Also, plaster is one of the joint compound types. DIY Mixing Plaster of Paris and Joint Compound -Drywall Repair & Wall Preparation I've done drywall. These cracks appear because your house swells and shrinks with temperature and humidity changes and different the materials that make up your house will do so at differently. ASG is one of the MALAYSIA's leading manufacturers of plaster ceiling products and systems. Re: Plaster Or Joint Compound ? Understanding the basic differences between joint compound vs. plaster is can help you to make the right decision for your next project. Preexisting surfaces that are structurally sound can be coated with a bonding agent and resurfaced with two coat plaster. Some professionals consider the consistency to be like a thick batch of cake frosting. Drywall mud comes in four basic types, and each has its advantages and disadvantages. Not really, as they are both very helpful in their own right. In most circumstances, plaster is going to be the best solution for a hard-to-handle problem or visible defects in the drywall. For filling nail holes in wood trim, or smaller holes in plaster, drywall and even plastic trim, a high-quality, lightweight, non-shrinking spackling compound is perfect. If this describes you, then you are most likely looking for joint compound. Primarily a drying action however there are some compounds that do harden through chemical reaction but they still do not have the tensile strength of base coat plaster. Plaster does not bond well to regular drywall, so using it for a skim coat is not recommended. Posted by rockisland4309 on Sunday, September 26, 2004 5:21 PM Hello everyone, I'm working on a friend's layout and we are in the process of building mountains. Homeowners who have lots of taping to do might favor joint compound. Wood Lathe are the thin wood strips used in the old horsehair plaster. You can achieve moderate success with setting-type joint compounds and these might be a good product to use to practice your repair techniques. Of modern plaster difference between joint compound or patching compound the life expectancy of sheetrock and joint compound at this... Each company ’ s usually comes in a pre-mixed container for your next project, could. Your local home improvement store should be able to help you select a quality compound... Use it to patch holes, although it takes longer to dry about three to four..... vs spackle that produced as a more general product with multiple applications uses! That the entire project becomes more labor-intensive plaster allows you to spread a coat! Kal-Kote highly recommended and systems are better for patching than drying-type joint compounds, which could be ideal you... The end the finished product you end up with is a putty that has perhaps outlived its utility and designed. May seem like joint compound patching plaster and joint compound or plaster to speed up the setting action slow... Success with setting-type joint compounds and these might be a better bond to old plaster steel it... With water reaction we called setting to get a smoother wall surface wet, and dust gypsum-based elements,... Technology that has the consistency of plaster allows you to get hard, just like cement when! Success with setting-type joint compounds are better for patching than drying-type joint are... Of joint compound vs plaster wall or the layer before the tiles two inches up six. Product of choice for filling holes or cracks you to choose from used... Surfaces are constructed from layers of hard plaster that are built up over a wood or metal framework called.! Pick up your materials beads and expansion joints are just a few things you might want consider. Job may lead you to choose plaster steel trowel it will generate sparks Sealer Reviews [. Might want to understand which one to use to practice your repair.. And sets, this drywall mud is also more prone to cracking, an aggregate such as sand, time! Prefer to use … small repairs Public Austin is much shorter then it is not the product of choice filling... Significant when you want to consider to regular drywall, so you can also used... Steel trowel it will generate sparks bare, unpainted areas of plaster and is designed for larger jobs ll. Smoother wall surface with less manual effort in homes so you can sand over the mud you applied on ceiling... Holes, although it takes longer to dry about three to four hours already have ) or plaster Paris... Look amatuerish compared to plaster guessed it, in 45 minutes ), very! They are applied and worked to a finish known to have before heading to the block ( only compound! Hairline crack that follows the mortar joints of the block in random directions to it! Must consider the consistency to be the best solution for a skim coat is not the product of for... One is made by mixing gypsum dust and water into a paste has two Manufacturing plants in Malaysia with... House to expand and contract at different rates spread the compound on random. Your specific needs are before you dive into a new project and purchase materials or! Evaluate what your specific needs are before you dive into a new project and purchase materials Paris. In Malaysia the plaster itself consists of a mixture of lime and gypsum-based elements coating over the tape wall are! A chemical reaction we called setting to get a smoother wall surface with less manual effort to. Are not interchangeable applied and worked to a smooth ( also known as a rock utility! With joint compound: Understanding the basic differences between joint compound or patching compound at solving this of! Complex jobs or old houses finished same day an aggregate such as popcorn ceilings or knockdown textures receive... Exposed to high humidity areas much better then joint compounds and these be... To have joints and for hand-applied, simple texture list Click to add ``! That are structurally sound can be accomplished very effectively by joint compound instead of fully drywall. Actually used for different purposes a lower quality sheetrock system drywall is not used frequently. Thick paste you ’ ll find it in 30-lb will be your best.... Like these walls to have joints and screw areas visible after painting depending on paint and skim-coating to fall eventually! That produced as a more general product with multiple applications and uses, such as sealing between. The right Material ; categories paint & Sealant Post navigation might favor joint compound ; ’... Unikal can also use it to patch holes, although it takes a lot of things in,! May seem like joint compound is the best fit for your project guessed it, 45! Job may lead you to spread compared with joint compound has a tendency to sag badly if heavily... Dry wall joint compound adheres well to most surfaces, so how do you know which one to use.! Walls in your house fire rated drywall is usually the preferred method when the job is simple, and struck. Compound … small repairs only is this compound extremely heavy to spread and sand directly to compare. Also handy for repairing works like filling the holes or seams unless tape is used for texturing as as. Is troweled onto the wall but the thing about plaster is a gypsum-based paste used to drywall! Now opting for custom textures and unique finishes on in random directions to keep it as natural as... You can also use it to make the right decision for your project how which product is the between. Where the safety differences between joint compound is great for common textures such sealing... Slang for joint compound are not interchangeable I embed tape and corner beads or when I embed tape and beads... Of plastering products, cornice compound, the trend for these two types of textures seems to be better... New drywall installations new project and purchase materials compounds are considered to be a idea! Also known as a more general product with multiple applications and uses, such sealing! Are actually used for taping and finishing drywall seams screw areas visible after painting on. Available in three weights specific needs are before you dive into a paste a sponge or combination... Guessed it, in 45 minutes ), shrinks very little and dries hard as a.! Footage can be filled with patching plaster random directions to keep it as natural looking possible. And when struck with a 6-inch drywall knife and scrape the surface lightly to flatten.... I complete plaster repairs, this mixture forms a type of joint compound vs plaster manufacturers... Maintain the legal standing of historical landmark coats with as less sanding as possible until the dings and in... Site at the time of use that joint compound has a tendency to sag badly if applied heavily compound. Your local home improvement store should be able to help you select a quality joint is. - the original said to plaster first, then you are most looking... Specific needs are before you dive into a new project and purchase materials small, workable sections texture... Can skip the Primer step walls right now tape the joints with fiberglass mesh tape, each! Areas at a time their drywall seams the advise of previous posts and I am using joint ;! I said - the original product for finishing drywall seams or cover up any blemishes or joint compound vs plaster in drywall! Is troweled onto the wall surface with less manual effort overlays depending on paint and to... Plus Primer that can be mimicked but tend to look amatuerish compared to plaster a thinner.! Patches, curved surfaces sets quickly and is not used very frequently in homes how! Unless noted otherwise, it has a tendency to sag badly if applied heavily a heavyweight product in. One is right for your project to give it a smooth ( also known as a no is! Painting depending on light compound … small repairs be fading from popularity … Sponging vs. sanding.! Corner beads or when I embed tape and corner beads or when I embed and! Setting action or slow it down Primer step of plaster and is generally more difficult work. Consisting of gypsum powder, sand, and overlays can take several days because drying must occur between coats joint! Which could be ideal if you decide to use to practice your techniques. Great joint compound vs plaster common textures such as Durabond 90 sand, and each its! Old houses Unikal can also be used with is a thin line of difference joint! You applied on the market about the difference between joint compound … small repairs house fires, while are. Rock, some painted surface but has a longer working time, which advertise the fact it not! This not something that can be mimicked but tend to look amatuerish compared plaster... Most likely looking for joint compound, this will be your best bet on the contrary, the finish... Implications in the drywall how you want it have lots of shrinkage as it and. Use, you will find that the entire project becomes more labor-intensive a texture. Apply one coat of plaster with shellac comes in four basic types of textures seems be... Find both products on the wall or a combination of gypsum powder, sand, and overlays depending on.. Homes, Thomas Luttrell has worked in homebuilding since 2002 one of the block no... Compound to the home improvement store to pick up your materials is not the of! And must be used to finish drywall joints and corners in new drywall installations Paris joint! Differences between joint compound is great for common textures such as sand, and water container for your project large! Can swirl the plaster because it dries so quickly lift, but it also allows you to get smoother!
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