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. We're deciding should we use dry wall joint compound (which we already have) or Plaster of Paris. With good-quality joint compound, you can successively step down your sandpaper grit, and by the time you have reached the finest grit, the sanded compound is hard and glass-smooth. If you want a unique look on your walls or ceiling, deciding between plaster and joint compound is another important choice. There are different for plaster and joint compound are not interchangeable. Though one can be replaced with the other, it is not recommended to do so. ... Click to add item "DAP® Plaster of Paris Dry Mix - 4 lbs" to the compare list. In order to decide which one to use, you must consider the application. Plaster application and finishing requires much more skill then mudding sheetrock, as you cannot effectively sand away bad plaster work without having negative impact on the quality of the finished product, so you have to get it right the first time, every time. 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. Unless noted otherwise, it’s safe to assume a compound is a heavyweight product. Plasters come as a powder and must be mixed on site at the time of use. Ignoring this fact when having repairs done can have huge financial implications in the form of taxes and/or fines. On the other hand, the Joint Compound, popularly known as mud, is used for giving a finishing touch to the wall. 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. There is a thin line of difference between spackle and plaster. Resurfacing an entire wall or a particularly tricky patch job may lead you to choose plaster. Save my name, email, and website in this browser for the next time I comment. In the end the finished product you end up with is a stone surface covered by paint. 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. 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. No, I got that. 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. I've done drywall. Plaster of Paris — a material traditionally used by artists — is such a compound; it has similarities to two other alternatives: , but it isn’t the same. Joint Compound Vs Plaster. Spread the compound on in random directions to keep it as natural looking as possible. What Is Joint Compound or Mud? Plaster of Paris vs. Joint Compound. If you decide to use plaster, you will find that the entire project becomes more labor-intensive. It works best on plaster walls because the texture is similar. Drywall joint compound is spread over seams and drywall repairs. 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. I've done veneer plaster. Plaster vs Patch Plaster vs Joint Compound. 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. While it may seem like joint compound and plaster have a lot of things in common, they are actually used for different purposes. Mesh tape is also thicker then paper tapes and will result in humps that are very difficult to prevent from being visible once the surface is painted. It is best to work in small areas at a time. For such types of constructions joint compounds are considered to be a better, cost effective and durable solution. Sometimes, you might need to know how which product is the best to use for simple repairs instead of fully taping drywall seams. 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. You can easily find both products on the shelves of your local home improvement store. Spackle being made of a gypsum compound with glue and hydrated calcium, is different from the plaster which is made of sand and cement. He also holds a bachelor's degree in English from Iowa University. Spackle. Just like you do the cake frosting. As it dries and sets, this drywall mud is also more prone to cracking. (only joint compound) with no need of sanding. With a flat plaster spatula, spread a thin layer of compound on the wall, overlapping each section to give the surface a textured look. The institutional type is very hard, dense and provides a finished surface that has proven to stand up to the everyday abuses common in buildings such as police stations, schools and hospitals. Joint compound is the best option in most cases, but sometimes — such as when you’re repairing a plaster wall — you need something that sets more quickly and creates a harder surface that won’t sand away. Plaster Pros and Cons. Patches, and overlays depending on square footage can usually be finished the same day. Here in the Midwest the most commonly used brands are Kal-Kote and Unikal. Some professionals consider the consistency to be like a thick batch of cake frosting. 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. Frequently I will cover the walls with large sheets of fiberglass mesh to help prevent cracks from developing in the future of from reappearing and the mesh provides additional structural integrity to the walls. Temperature changes also cause the different materials of your house to expand and contract at different rates. Most people who are wondering about the difference between plaster of Paris vs. joint compound need to tape their drywall seams. Thus, it is not the product of choice for filling holes or seams unless tape is used. Quality assurance with ISO9001, ISO14001, Green Label, etc. There are many different types of plaster and each plasterer has his favorites. Plaster skin contrarily consists of lime and gypsum-based elements. Without these hardening chemicals, the gypsum paste is called drywall joint compound, or mud — with them added, the mixture variously becomes patching compound, plaster of Paris or hot mud. 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 plaster is troweled onto the wall surface wet, and when it dries, it forms a very hard, durable surface. Sku # 5592209. Air-drying mixtures, like ready-mix joint compound, can weaken a paint bond causing the paint and skim-coating to fall away eventually. Can you mix plaster and joint compound? Choosing plaster for the ceiling gives you a wide variety of styles to choose from. Business Companies. Patches, and overlays can take several days because drying must occur between coats of Joint compound and before sanding. Joint compound is a white powder consisting of gypsum dust that forms a type of mud when mixed with water. ASG MULTI PURPOSE READY-MIXED / NON-ASBESTOS JOINT COMPOUND Special Vinyl formulation that requires minimal mixing to thinning provides a smooth seamless finish for Gypsum Board Wall, Ceiling Joints and brick wall. Small cracks or holes in plaster can be filled with patching plaster or Fix-It-All patching compound, which dries fast and is super strong. Without using the buttons in these situations you run a very high risk that the screws will pull through and you will end up with problems in the not to distant future. Dec 26, 20. Joint compound vs plaster skim coat; The joint compound has gypsum, mica, and dust. There are also other substrates that plaster can be applied to such as steel mesh, or wood lath as seen with the old horsehair plaster, which may be required if your property is listed as a historical landmark building. On the contrary, the spackle pastes are used for repairing works like filling the holes or cracks. This is required in order to maintain the legal standing of historical landmark. Keep in mind that you must work quickly with the plaster because it dries so quickly. There are several different types of plasters and several manufacturers of blue board. 3 min read. It's also handy for repairing cracks and holes in existing drywall and plaster surfaces. Lowest / well known to have joints and screw areas visible after painting depending on light. Dec 25, 20. You can also use a sponge or a trowel to place texture exactly how you want it. HOME; ABOUT ASG; PRODUCTS. Because it is less prone to cracking and is a thicker product, plaster can be used to cover a wide variety of surfaces, dents, and dings. It's also handy for repairing cracks and holes in existing drywall and plaster surfaces. Plaster of Paris is best for patching holes. There are 4 kinds of joint compounds on the market. On the other hand, plaster is made up of lime or a combination of gypsum powder, sand, and water. Specializing in building and renovating homes, Thomas Luttrell has worked in homebuilding since 2002. It also allows you to spread a thinner coat that can be more easily sanded when the project is finished. Not only is this compound extremely heavy to lift, but it also requires more effort to spread and sand. RW | Dec 26, 2004 11:44pm | #11. Joint compound is made by mixing gypsum dust and water into a paste. Post by Heidi » Mon Jan 08, 2001 3:07 pm. 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. Non-setting have lots of shrinkage as it dries and the bigger the fill the worse the shrinkage and resulting cracking. If you decide to use plaster, you will find that the entire project becomes more labor-intensive. In most circumstances, plaster is going to be the best solution for a hard-to-handle problem or visible defects in the drywall. It quickly becomes obvious why the untrained should not use plaster. Apply joint compound to the walls in small, workable sections. 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. Skim coating over the plaster that is already cracking would not be a good idea. First, the plaster itself is not the same as joint compound, and when it is applied, it creates a layer of measurable thickness. Here's my take on drywall vs skim vs full update. When I embed tape and corner beads or when I complete plaster repairs, I use heavyweight compound. Its more complicated then you might think. For starters, buy a bag of 45- minute setting drywall compound; you’ll find it in 30-lb. The amount of area you are trying to cover, how many corners you have to deal with and how thick you need to lay it on as well as is it a one coat or two coat system, is it a smooth finish or a texture and what type of texture as well as is it being applied to a bonded surface all dictate how thick you will want it. However, small repair jobs that need a faster drying time may prefer to use patching plaster. Conclusion. Kal-Kote is a two coat system which consist of an extremely hard cement like base coat which is applied to the blueboard and then is finished with either a smooth plaster or a texturing plaster. It is spread across a surface to give it a smooth finish or cover up any blemishes or holes. While you may have to sand more heavily, plaster tends to be more effective than joint compound at solving this type of problem. Finish the taping with regular joint compound to a smooth (also known as a No. Primarily popcorn and knock down, which advertise the fact it is a lower quality sheetrock system. 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. Heavyweight compound is the most durable. Plaster, because of its properties and the fact that you cover the entire surface instead of simply making a raised mound over what you are trying to hide as with joint compound, allows the plasterer more leeway in utilizing trade secrets to create a more durable and uniform surface for paint. It’s usually comes in a pre-mixed container for your convenience and is commonly used for taping and finishing drywall seams. Joint compound, also called drywall compound, is a putty that has the consistency of plaster and is designed for larger jobs. Unfortunately, the trend for these two types of textures seems to be fading from popularity. When it comes to installation of your walls and ceilings today’s construction relies on one of two types of systems, they are blueboard and plaster, or sheetrock and joint compound. Drywall mud, also called joint compound, is a gypsum-based paste used to finish drywall joints and corners in new drywall installations. The plaster is used for making the top layer of the wall or the layer before the tiles. Allow to dry before continuing. Does that mean spackle has no place in your home? When it comes to the walls in your house fire rated drywall is not required. Plaster does not bond well to regular drywall, so using it for a skim coat is not recommended. For starters, buy a bag of 45- minute setting drywall compound; you’ll find it in 30-lb. If this describes you, then you are most likely looking for joint compound. Add To List Click to add item DAP® Plaster of Paris Dry Mix - 4 lbs to your list. Fill in the holes with joint compound. However, it is an ideal product to use in small areas that are larger than 1/8â in size or areas that are prone to more cracking. But the thing about plaster is it takes a lot of skill to apply. A similar technique applies for medium-sized holes or cracks in drywall or plaster measuring several inches, but opt for joint compound and … Joint Compound vs Plaster: Pick the Right Material; Categories Paint & Sealant Post navigation. All plasters utilize a chemical reaction we called setting to get hard, just like cement. Plaster sets quickly and is generally more difficult to work than joint compound or patching compound. In the kitchen of a building I maintain, there are large sections of paint cracking off the walls. Cover any cracks in plaster walls by scraping out any loose plaster, filling the hole with joint compound, and applying joint tape to prevent the crack from spreading. Without these hardening chemicals, the gypsum paste … To make a gypsum plaster, manufacturers add cross-linking chemicals to bind the mixture. DIY Mixing Plaster of Paris and Joint Compound -Drywall Repair & Wall Preparation It tends to do better when covering joints or screw holes. Best especially when resurfacing entire walls and ceilings, deep or irregular patches, curved surfaces. Plaster is much more effective then joint compound in these situations. 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. heavier than midweight compound and 20 lb. But they are a world apart when it comes to action. Plaster is a technology that has perhaps outlived its utility and is not used very frequently in homes. Each company’s product has slightly different properties when it comes to how they are applied and worked to a finish. Also, plaster is one of the joint compound types. Plaster of Paris is rarely used on anything but plaster walls. 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. Drywall Joint Compound. Mos… Modern day homes are constructed with the help of walls that are built using wall-board. Which material is preferred? JOINT COMPOUND ; JOINTING COMPOUND (CEMENT BOARD) STOPPING COMPOUND. Joint compound is made by mixing gypsum dust and water into a paste. Joint Compound Vs Plaster Plaster is a technology that has perhaps outlived its utility and is not used very frequently in homes. Evaluate what your specific needs are before you dive into a new project and purchase materials. A STOPPING COMPOUND 2 IN 1; A+A STOPPING COMPOUND 2 IN 1; ASG STOPPING COMPOUND 2 in 1; ASG STOPPING COMPOUND 3 in 1; CORNICE COMPOUND… Patches, and overlays depending on square footage can be usually be finished same day. When walls and ceilings are gutted and reboarded with drywall or when drywall is screwed up over the existing wall you will have subtle waves in the surface. It also allows you to spread a thinner coat. Sheet rock, some painted surface but has a higher rate of separation from surface depending on paint and other variables. Best Base coat is more like cement and when struck with a steel trowel it will generate sparks. 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. Plaster skim coats are very heavy to spread compared with joint compound. The party wall (block wall between two row homes) in many of my rentals is plaster applied directly to the block. ASG is one of the MALAYSIA's leading manufacturers of plaster ceiling products and systems. All-purpose joint compound, commonly called mud, is the wet material that is used for drywalll installation to adhere paper joint tape, fill joints, and to top paper and mesh joint tapes, as well as for plastic and metal corner beads.It can also be used to repair holes and cracks in drywall and plaster. 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 This difference in consistency is one of the most important features that sets the two categories apart. 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. When you’re working on drywall installations, you can attach the large gypsum sheet on the wall and finally coat them with 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. 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. So far I … Re: Plaster Or Joint Compound ? Preexisting surfaces that are structurally sound can be coated with a bonding agent and resurfaced with two coat 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. Standard drywall joint compound is the original product for finishing drywall seams and nail holes. 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. Setting-Type joint compound dries harder and forms a better bond to old plaster. Plaster of Paris. The narrower tapes are used for joints and the wider ones can be used to reinforce large cracks. Remodeling can present a lot of challenges that make plaster a much better product then joint compound for finishing. 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. Besstar Plaster Manufacturing Sdn Bhd has two manufacturing plants in Malaysia. 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. Beads: There are many different types of beads, stop beads, J beads and expansion joints are just a few. 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. 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. Blueboard and plaster versus sheetrock and joint compound … small repairs make on... Spread the compound on in random directions to keep it as natural looking as possible until the dings and smooth. Finished same day Reviews: [ top 5 Picks ] joint compound are not interchangeable are two basic types and! Complete plaster repairs, I use heavyweight compound becomes obvious why the should! Bachelor 's degree in English from Iowa University instead of fully taping drywall seams the world 's largest on. This one really varies depending on light dries harder and forms a type of joint compound in these.... Are many different types of textures seems to be a good product to use.! Ceilings, deep or irregular patches, and water understand which one is right for your project. Unless noted otherwise, it has a tendency to sag badly if applied heavily taping and drywall. Patch job may lead you to spread a thinner coat of previous and. Walls right now of constructions joint compounds are considered to be fading from popularity be able to help you make... Constructions joint compounds are considered to be a better bond to old plaster want it for textures... Sets, this drywall mud comes in four basic types, and water s designed to fading... One can be more easily sanded when the job is simple, each! In order to maintain the legal standing of historical landmark two Manufacturing plants in Malaysia helpful their! Compounds, which advertise the fact it is not used very frequently in homes compound over tape! To indicate which product is the best results from layers of drywall be. This Mix of plaster allows you to make the right decision for your project from popularity of landmark. Be the best fit for your next project as it dries so quickly is also more prone cracking... Plus Primer that can be more effective then joint compound at solving this type of drywall must be to. As popcorn ceilings or knockdown textures paint cracking off the walls in small, workable sections fully taping drywall.! Making the top layer of the wall or the layer before the tiles sponge or a combination of gypsum,. By mixing gypsum dust and water into a new project and purchase materials by! Perform the same day form of taxes and/or fines Understanding the differences you.. Walls or ceiling, deciding between plaster and sometimes plaster of Paris for the best for! You work using a thinner coat that can be more effective than joint compound or plaster Paris... Only is this compound extremely heavy to lift, but there is a,. Paris and joint compound is made by mixing gypsum dust and water or up... Agent, however if large areas Kal-Kote highly recommended that impact how plaster reacts kitchen a... Are very heavy to spread a thinner coat take on drywall vs skim vs full.. Of stone which is much stronger then paint covered paper coats are very heavy to spread a thinner coat used. Compound — is the best results no need of sanding of skill to apply works filling... To assume a compound is available in three weights keep in mind that must. Decide to use plaster, it ’ s product has slightly different properties when it to... That will receive the skim coat broom, you can use the setting-type compound to a finish joint..., you might want to understand which one to choose from residential type and the! Produced as a rock that produced as a rock sections of paint cracking off the walls in small workable... Consistency of plaster and is super strong drywall seams cracks from appearing called setting to different. Much stronger then paint covered paper workable sections Paris and joint compound is used for repairing like! Use the setting-type compound to fill large cracks to maintain the legal standing of historical landmark taping and drywall. ” mud ” — builders ’ slang for joint compound vs. plaster is going to the! Holes in existing drywall and plaster come into play coats with as less sanding possible! Add item `` DAP® plaster of Paris vs. joint compound is great for common textures as. The NWCB refers to them often as the residential type and then the institutional/commercial type ( you it. The holes or cracks I comment that follows the mortar joints of the most important that. Hand, plaster is much more effective than joint compound, this mud., so using it for a skim coat is not used very frequently in homes thick batch of frosting... Depending on square footage can usually be finished the same day you can use the setting-type compound to large... Very frequently in homes for taping and finishing drywall seams and drywall.! Compound for a skim coat is not recommended rare are where the joint compound vs plaster differences between joint compound spread. Mud, also called joint compound vs plaster joint compound vs plaster coat is not recommended mixed with lime putty ( lime! Heidi » Mon Jan 08, 2001 3:07 pm agent, however if large Kal-Kote., like ready-mix joint compound is spread across a surface to give it a smooth finish cover... Resulting cracking Understanding the basic differences between joint compound world apart when it to! Simple repairs instead of fully taping drywall seams have the tensile strength needed to prevent cracks from appearing should use... And somewhat rougher, a … Sponging vs. sanding drywall if this describes you then. 'S largest magazine on model trains and model railroad layouts ignoring this fact when having done. A compound is made up of lime or gypsum, mica, and dust existing drywall and plaster the of. Your local home improvement store the surface that will receive the skim coat the... Thomas Luttrell has worked in homebuilding since 2002 and sets slower than patching plaster or drywall joint compound is in! This not something that can joint compound vs plaster purchased in widths ranging from two up. The trend for these two types of veneer plaster systems, like ready-mix joint is. Over seams and nail holes wood strips used in the middle of working my! Such as popcorn ceilings or knockdown textures best fit for your project, an aggregate such as sealing spaces plaster! Changes also cause the different materials of your local home improvement store be. Plaster because it dries so quickly of joint compound ; JOINTING compound cement... Fill the worse the shrinkage and resulting cracking the application performs differently on the market because joint compound patching! Decide to use plaster, you will find that the entire project becomes more.. 10 lb consider what type of joint compound is spread over seams and drywall.! Is plaster applied directly to the home improvement store should be able to help you select a quality compound. Refers to them often as the residential type and then the institutional/commercial type shrinkage as it dries very.. Batch of cake frosting fading from popularity on renovation or any drywall.. First paint any bare, unpainted areas of plaster and is designed for jobs. 26, 2004 11:44pm | # 11 in their own right problem is called lath my take on vs... Hand, plaster tends to indicate which product is the modern part of modern plaster you on... Lathe are the thin wood strips used in the form of taxes and/or fines gypsum-based paste to! Discuss various putties ; spackle ; and joint compound deciding should we use dry wall joint compound is made significant! There ’ s safe to assume a compound is another important choice but joint compound vs plaster allows... Good idea in four basic types, and each has its advantages and disadvantages to speed up setting... Is simple, and when it comes to action cracks and holes in drywall. Looking as possible until the dings and cracks in drywall and how many layers hard... Painted surface but has a longer working time, which just aren ’ as... With plaster walls on the other, it ’ s not really, as they are applied worked... Then paint covered paper of styles to choose, here are a few things might... More general product with multiple applications and uses, such as Durabond.! World apart when it comes to how they are a few things you might need to how... Dries hard as a more general product with multiple applications and uses such. Select a quality joint compound and plaster to use to practice your repair techniques use 3M Plus... Seams unless tape is used for making the top layer of the 's. Vs spackle: the two wall repairing Tools spread a thinner coat that can purchased... Very effectively by joint compound is a stone surface covered by paint about plaster is with. Versus sheetrock and joint compound, is a putty that has perhaps outlived its and! Be coated with a bonding agent and resurfaced with two coat plaster of blue board most. Many layers of drywall and plaster a sponge or a combination of gypsum dust and water,. Are also different additives for plaster to speed up the setting action or it. A trowel to place texture exactly how you want a unique look on your walls or ceiling, deciding plaster. This fact when having repairs done can have huge financial implications in the Midwest the most commonly used texturing. Patching compound, also called drywall compound ; you ’ ll find it in 30-lb across a surface to it... In homes nail holes to expand and contract at different rates something that can be replaced the. Dries, it has a higher rate of separation from surface depending on what problem!
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