Horsehair plaster asbestos Feb 11, 2021 · Questions & answers on the asbestos content of plaster used in buildings on walls and ceilings. In 1977, their use was prohibited. In the plaster mix of older cement brands, asbestos fibers may be present. If asbestos-containing plaster begins to deteriorate or becomes damaged, it must be encapsulated, removed, or repaired by a trained and certified asbestos abatement contractor. Horsehair plaster dust is released into the air by brushing or sweeping it. If you think your home may have asbestos, do not attempt to remove the horse-hair plaster. See full list on wikihow. However, if you live in an older home with horsehair plaster walls and one of those walls is damaged, then repairing it can be a little confusing for homeowners with little or no home improvement skills. Horsehair plaster (or any plaster with animal hair mixed in) can be an anthrax risk, but from my understanding it’s pretty rare. I haven't the eye, is there any asbestos? Horsehair plaster, likelihood of this being asbestos? Found behind the walls of my staircase in an otherwise empty cavity, the walls of the cavity were plaster and lathe and the walls were made of this. We had lab tests done and the amount of asbestos is about 1. Does old plaster contain asbestos? 2. crip659 – crip659 2024-11-07 15:45:42 +00:00 CommentedNov 7, 2024 at 15:45 I read somewhere that horsehair plaster can contain asbestos, and it can also contain anthrax have it tested jsotola – jsotola 2024-11-07 23:54:32 +00:00 Oct 30, 2010 · working on a house with lath and plaster, built around 1870 to 1890. - searshomes. Aug 17, 2020 · Plaster has been used as an interior and exterior wall covering for thousands of years. Asbestos can have a macro structure that's fibrous, but the absence of any of that macro structure doesn't mean that asbestos isn't there. The walls in the bathroom are definitely asbestos and they are in good shape. Any immediate thoughts on these orange fibers? My dad, contractor, says they’re likely horse hair. Was told asbestos did exist in the house but was removed. Horsehair plaster, used in the 1800s, is generally thought to be free from asbestos since asbestos gained popularity later as an additive. Nov 2, 2021 · Learn how to identify asbestos in plaster walls, understand the risks of exposure, and explore legal options if you’ve been affected by contaminated materials. Horse hair, cow hair, lime-based mortar for the walls, seaweed were all commonly used and provided strength and durability to the plaster. May 30, 2020 · When did they stop putting horsehair in plaster? As mentioned above, horsehair plaster isn’t typically used nowadays. We live in a very historic little town called Frederick Maryland. Drywall replaced this plaster in the 1950s. Call a professional asbestos removal contractor, because asbestos is extremely dangerous and can cause serious health problems. I’ve seen horse hair in the walls throughout the house (the non asbestos walls) so was hoping I was looking at the same thing here. I wouldn’t be worried about that plaster, but a house of that vintage could contain asbestos elsewhere, eg if the original sheets in the laundry, bathroom are still there they might be old fibro May 9, 2025 · Horsehair plaster in older homes, typically built before the 20th century, adds historical charm but poses weatherization challenges. It is a type of plaster that is not recommended for indoor use. Feb 6, 2016 · Just to put a perspective on things, the asbestos fibers that cause cancers might be 1/50th as long as a horse hair is thick, and 200 to 500 times thinner. Yup, horsehair plaster and lathe are rarely contaminated by asbestos. My grandmother says her home was made around the 1930's. This looks more like jute or hemp, which was used back in the day for making rope before the synthetics came along. 2) asbestos was used in plaster because horsehair was less prevalent 3) asbestos was used in gypsum plaster, not lime plaster 4) asbestos was only used in the white top skim oar of plaster, as it prevented cracking 5) asbestos was only used in textured coatings and popcorn coats Does this horse hair plaster look like it has asbestos mixed in? Year: 1900 Year built: 1900. Jun 10, 2020 · Horsehair plaster what is it used for identifying sheetrock asbestos does drywall look like domestic surveys blog to when ing a property ceilings and lath tear off tips the family handyman vs board skim high performance healthy building materials repair maintenance certapro painters in potential health risks legal implications explained Horsehair Plaster What Is It Used For Identifying Worried about the presence of Anthrax? Oracle Solutions are experts in Anthrax Testing in buildings throughout the UK. Hey there, We’re 90% through demo and I’m concerned there’s asbestos in the plaster and lathe we demo’d. Rather, it may be the result of aging "horsehair Nov 29, 2022 · Horsehair plaster and dust can be potentially dangerous because they may contain asbestos and anthrax spores. Key Takeaways Horsehair plaster is a traditional building material used before the mid-20th century. The horsehair that was used was from the mane and the tail of the horse. Homes with darker horsehairs in the plaster tend to be safer, but lighter fibers in your plaster walls indicate a more likely presence of asbestos. I had plaster like that tested for asbestos and the result showed "unknown fiber" (I assume it was horsehair) in the plaster, so the GC did some abatement just in case, but I think it was totally unnecessary as the report didn't find any asbestos. The conversation revolves around identifying a mysterious substance found in an old Only paint contains lead and horse hair plaster was typically pre asbestos. Older buildings frequently contain both horsehair plaster and asbestos, posing potential health risks. Since we want to remove the blown plaster round the window in one room it's probably wise to get it tested - and the artex on the ceiling. The house I am renting in at the moment also has the same horsehair sheeting boards and a lot of the plaster was falling off the walls when I moved in. Plastering company serving the Massachusetts and Southern New Hampshire area. Any leads on a source for clean/processed hair for plaster? Is horse hair plaster, as a result, toxic? According to Asbestos Watch and Bricks, horsehair plaster may contain anthrax spores or asbestos. Furthermore, does horse hair plaster contain asbestos?Horse hair plaster has be known to contain Asbestos as Sep 29, 2025 · Is there such a thing? Mrs. Mar 7, 2015 · Often, people talk about “old-fashioned horse-hair plaster,” but the binding agent in old plaster walls was more commonly cattle hair. Feb 28, 2021 · I've seen some old horsehair plaster and the fibers were brown and arranged in long straight clumps. Not sure if they checked the plaster. Yeah, that’s right, horsehair. Does plaster contain horse hair? The reinforcing fibers in lime and sand basecoat plaster was animal hair. Seal any doors/openings to the rest of the house with poly sheeting then put a box fan in a window in the work area blowing out. How to tell if plaster has asbestos in walls? Texture and Nov 24, 2002 · Questions about older homes, specifically from 1900 on. Im *reasonably* certain its not asbestos cement sheeting. Is this asbestos or horsehair plaster? House built 1889, removing old plaster and lath from attic bedroom. Alternatively, break away a Nov 28, 2021 · Although asbestos can be found in horsehair plaster, most of the time horsehair plaster doesn’t contain asbestos. Dec 27, 2019 · Is there asbestos in old horsehair plaster? Although asbestos can be found in horsehair plaster, most of the time horsehair plaster doesn’t contain asbestos. Aug 9, 2025 · Does horsehair plaster contain asbestos? While traditional horsehair plaster used in the 1800s is unlikely to contain asbestos, cross-contamination can be a concern. Asbestos plaster isn’t used in most homes. Although asbestos can be found in horsehair plaster, most of the time horsehair plaster doesn't contain asbestos. was asbestos commonly used in that era in Ohio? Mar 23, 2014 · does this look like asbestos to you? here are some pictures: Nov 29, 2022 · Horsehair plaster and dust can be potentially dangerous because they may contain asbestos and anthrax spores. The plaster is composed of three elements; lime, aggregate, water and animal hair, which is mixed together shortly before applying to the lath. Call the professionals today! Horse hair is often mixed with lime or gypsum-based plaster to add strength and flexibility to the finished product. Google says Horsehair plaster MAY contain Asbestos. Can you paint over horsehair plaster? To paint horsehair plaster, fill any small holes or blemishes with joint compound. Can horsehair plaster make you sick? Horse Hair Plaster Watch on Rewired my own 100 year old horse hair plaster and lathe house without ripping out walls. This article series explains where & when asbestos is likely to be found in plaster used on building walls & ceilings. But what does asbestos look like in walls? Visual identification alone won’t be enough to identify asbestos-containing materials. I can get the materials to do plaster repair work over wood lathe, but I can't figure out where to get the hair for the base coat (goat, horse or cow body hair). And the living and bedroom ceilings are plaster and lathe. Thank you for your contributions here and happy cake day! Apr 23, 2017 · A friend of mine who does remodels on older homes said that they would have basically used horse hair OR asbestos in plaster. 20 votes, 66 comments. Northeast US. Horsehair was the “go to” plaster for many years by many builders because it was so flexible in comparison to the other types of animal hair and plant fibers and the finish was much more uniform. The genuine horsehair plaster is the older stuff, and is inside wardrobes. The synthetic stuff has white/clear plastic fibres and seems to be newer plaster. We provide plastering solutions for internal and external construction, from skim coat veneer plaster to stucco plaster. Nov 21, 2022 · Horsehair plaster can release millions of asbestos fibers into the air, increasing the risk of cancer, particularly mesothelioma and lung cancer. It is unclear how much, if any, asbestos was used in conventional plaster basecoats. It is not safe for indoor use because it can contain asbestos and anthrax. Horsehair plaster removal requires strict safety precautions. Why? First, asbestos helps make Asbestos in horsehair, from my research, didn't become more common until the 1920s and onward and mostly in decorative plaster. While cross-contamination with asbestos might occur, it remains unlikely that horsehair plaster originally contained asbestos. I’ve been doing a good deal of it and found there’s a good deal of “hairy stuff” in it. If you brush the plaster, you risk exposing yourself to the plaster dust and exposing yourself to these spores. In summary, horse hair plaster itself does not contain asbestos. The horse hair was used as a strengthening fiber. Posts, comments and replies here do not replace the guidance of a qualified person or, after confirmed exposure, a doctor. It would be very tough to defend ignoring a test result. The material looks like concrete, but it has some brown hair-like material mixed in. I didn't do this because I was worried about it necessarily being Asbestos but more-so that it was unsightly. Mar 17, 2019 · Your letter states that your home is "nearly 100 years old," so there's a good chance that those fibers aren't coming from peeling asbestos. Horsehair is not as common now as it was in the last few hundred years, but it is still used today. Apr 6, 2022 · Horsehair plaster and asbestos Many builders over the years have mixed in asbestos into their plaster for several reasons. It is composed of water, lime, aggregate, and sometimes animal hair. We have three layer horsehair (cut from the tails of slaughtered horses) plaster in our 1870 home. Could this be asbestos? Thanks We would like to show you a description here but the site won’t allow us. What is the best way to remove the wallpaper without damaging the lath and plaster walls too much? Nov 28, 2022 · Horsehair plaster and dust can be potentially dangerous because they may contain asbestos and anthrax spores. Patch as you would gyprock. **Asbestos Content** Horsehair plaster sometimes contains asbestos, a hazardous material that can cause lung cancer and other respiratory diseases if inhaled. 1. Horse hair can plaster have a small possibility of containing anthrax. Larger holes can be repaired by cutting out the degraded plaster and fitting a piece of blue board in the hole, then using plaster or joint compound to blend the repaired hole. The ceiling is obviously very disturbed. Today many homeowners tear out their old plaster not knowing the benefits. The demo in our dining room this week has revealed a lot of horsehair plaster. When did lath and plaster stop Dec 11, 2019 · A prevalent building technique up until the turn of the century/post war era, lath and plaster was the most common type of plaster application used in both residential and commercial spaces. Asbestos continued to make its way into some types of plaster through cross-contamination despite its known danger. Horsehair Nov 29, 2022 · Horsehair plaster and dust can be potentially dangerous because they may contain asbestos and anthrax spores. Horse hairs are long, strong, and when they’re mixed with plaster, they offer a lot of structural strength. Oct 8, 2025 · How common is asbestos in plaster? While not all plaster has asbestos, you should assume that any plaster in a home built before the 1980s does. com Dec 14, 2002 · 1) asbestos was reay only used between the 40s to the 70s in plaster. The old plasterboard, fibrous stuff, looks like it has horse hair mixed through it doesn't contain asbestos. Horse Hair plaster was used right through the 1800's until even the mid - late 1950's. Horse hair plaster is generally older and might be from the time period where they mixed in asbestos. What is the difference in plaster/lathe and “blueboard”? 3. Has got it in her head that the lime and horsehair plaster in our 1920s house might contain asbestos. Asbestos, on the other hand, is a fibrous mineral that was commonly used in building materials such as insulation and fireproofing. However, homes built before the mid-1980s could still contain asbestos in the walls and ceilings. In fact, many professionals say that if the plaster on your walls has a lack of dark horsehair fibers, there’s a good chance the plaster may be contaminated with asbestos. Homeowners often encounter these materials during renovations. Is asbestos present in the old plaster? To be considered an asbestos-containing material (ACM) and thus a health hazard, plaster must only contain 1% asbestos. Obviously it’s only a risk if the animals the hair was collected from had anthrax. However, there is a possibility that it may have been mixed with asbestos-containing materials during construction, especially in older buildings. Asbestos fibers are microscopic, and cannot normally be seen with the naked eye. Even though plaster sometimes contained hair from horses and even humans, most of this hair was from cows and pigs, or animals shaved for leather making. Nov 12, 2025 · Exposure to asbestos plaster can cause cancer, among other diseases. Asbestos was used in many building materials including plaster walls up to the 1980s due to its fire-retardant and insulation properties. Nov 29, 2022 · The horsehair that was used was from the mane and the tail of the horse. Mar 31, 2025 · Horsehair plaster, a composite material, historically incorporated horsehair for structural integrity. Anthrax is a disease of animals that can be transmitted to humans through skin Dec 7, 2015 · Components or ingredients used in plaster walls & ceilings: What are the ingredients in historic & modern building plaster? Do they include asbestos? This article describes the common ingredients used in making both trowel-applied and sprayed-on plaster used in building ceilings and walls as coatings, fire-resistant sprays, ornaments, and for similar indoor as well as exterior plaster coating Nov 29, 2022 · When did they stop making horse hair plaster? As mentioned above, horsehair plaster isn’t typically used nowadays. trueYea, that's horsehair, or equivalent. Nov 29, 2022 · Is there asbestos in horsehair plaster? Although asbestos can be found in horsehair plaster, most of the time horsehair plaster doesn’t contain asbestos. Read: What do you wear to a race? Dec 28, 2019 · So, what is horsehair plaster? Why is it called horsehair plaster? Although there are different variations, the most common type of horsehair plaster is a mixture of lime, sand, plaster, and horsehair. It was an inexpensive way to increase the plaster’s ability to insulate buildings and resist fire. Nothing that can't be done with a decent set of fish sticks (harbor freight, $10), a jigsaw, and or one of the oscillating cutters. 5% - just slightly over the legal limit. What do you guys think? Asbestos? My best guess is it was plastered sometime in the 20’s or 30’s and my Sometimes they'd mix asbestos into plaster to make it more fire resistant. Nov 29, 2022 · The misuse and application of older, banned plaster building materials can also create risk for asbestos exposure. 46 Likes, TikTok video from Courtney & Matt (@living_in_history): “#horsehairplaster #victorianhome #asbestos #ouroldhouse #historichome #restorationprojects”. Jan 2, 2012 · Plaster was an important part of building an old home prior to WWII. Learn what to do with old plaster during a home renovation. If you are unsure whether your home has asbestos, ask the local building code office for information about the history of local building practices. Walls were finished with wood wainscoting. Oct 1, 2019 · Horsehair is typically used in veneer plaster. furnitureexpertshandyman. Dec 29, 2018 · If the fibers are in the paper of the plaster board it most likely is not asbestos as the fibers on the plaster board are special fibers for the Veneer Plaster to attach to. Oct 14, 2011 · Hi, I asked this question before for a different wall that i am removing And it turned out to be two layers of gypsum. The slaughtered horse hair is used as a reinforcement technique, today we use fiberglass, wasting nothing from the animal this is what was used to reinforce and strengthen the mortar or plaster that was placed in these homes, at times there have been traces of asbestos added to the mix. Oct 15, 2023 · Her house is old and she doesn't care, but I'm concerned if this asbestos or not. Only paint contains lead and horse hair plaster was typically pre asbestos. Its got long (about 3-4 inch) dark brown/black fibres in it. Learn how to fill holes, smooth surfaces, and paint horsehair plaster walls in this step-by-step guide. Before starting repairs or renovations, it is vital to have the materials tested. Horsehair plaster may contain asbestos or other hazardous materials, posing risks during renovations. This kind of screeching gloom and doom is I have an old house with the wallpaper in a poor condition. 2. Potential Challenges With Horsehair Plaster Asbestos Concerns Houses built before the 1940s may contain asbestos mixed with plaster. This newer plaster is quite thick, about 2cms, and the fibres sit in white plaster Feb 14, 2025 · Do all plaster walls have asbestos? Author: Sadye Schroeder | Last update: Friday, February 14, 2025 While it is still legal to import products containing less than 1 percent asbestos, you won't generally find asbestos in plaster today. There is a risk, albeit very minor indeed, that animal hair incorporated into plaster mixes before about 1900 (when greater controls were introduced) could be contaminated with anthrax. It's amazing how resourceful and creative the builders were in their materials for construction. Dec 1, 2020 · Horsehair plaster…was used up to the late 60s. I got to one lathe and plaster section and noticed in the plaster these brown hairs (horse hair?) Nov 29, 2022 · Horsehair plaster and dust can be potentially dangerous because they may contain asbestos and anthrax spores. Though it is no longer utilized today, many individuals choose to preserve horsehair plaster as a means of maintaining historical accuracy. Hello all, I’ve been remodeling my old Victorian house and knocking plaster off some old plastered-up fireplaces to expose the brick. org I am reasonably sure it's not asbestos. Jul 11, 2024 · WHAT IS HORSEHAIR PLASTER? Since around 1850, houses have been made from a large array of materials, some good, some not so. . Horsehair plaster removal requires A subreddit dedicated to answering questions related to asbestos. Your pictures show white fibers that are more randomly arranged. It’s not recommended for indoor use because it can contain asbestos fibers. I'm removing an adjacent wall as well and started opening up a few sections. If you do have asbestos in brisbane you can remove up to 10m^2 yourself anything above this requires a minimum class b asbestos removal licence. A relic in the walls. Aug 26, 2015 · I found some material (pictures below) that I'm concerned might be asbestos, while demolishing the ceiling of a house in the UK which was built in the 1920's. But, there are a few signs you can look out for that may indicate that your walls contain asbestos which we will discuss here. Nov 29, 2022 · What is horsehair plaster? Horsehair plaster is commonly used in older South Shore and Boston-area homes. We would like to show you a description here but the site won’t allow us. Still, I did stop all work and and just got a test kit. It has been used to make fabric for clothing and upholstery, paint brushes, fishing line, musical instrument bows, wall plaster, and more Nov 29, 2022 · Can horsehair plaster make you sick? Historic Plaster is a Lime-based plaster reinforced with animal hair, usually from horses, cows, goats or oxen. How did they make horse hair plaster? Horsehair plaster is commonly used in older South Shore and Boston-area homes USG also manufactured other asbestos products like cement shingles (often called asbestos shingles), fireproof plaster (for column and metal deck fireproofing) and acoustic plaster. Jun 3, 2021 · Horsehair plaster and dust can be potentially dangerous because they may contain asbestos and anthrax spores. Any breed of horse can be used to gather horsehair but specific breeds are used for certain products. If you can find and mark the studs then can use longer screws, or can glue the drywall to the plaster. Oct 31, 2025 · Is Horse Hair Plaster Dangerous? Horse hair plaster, an age-old building material, is not inherently dangerous when undisturbed and properly maintained. Looking at it closely, there appears to be hair like material mixed in with the plaster. I purchased a kit and am sending in for sampling tomorrow. Horsehair. Only then did I put on a mask and start to worry. My parents house built in 1964 is full of it, it’s fine. Nov 29, 2022 · Their use was banned in 1977. Over time, it may settle or deteriorate, leaving voids and gaps. However, concerns arise primarily when the plaster contains asbestos, a known carcinogen sometimes added for increased strength and fire resistance. Hi K-style, thanks for your reply. It might be helpful for you to find out if other homes from the same period in your neighborhood ever had testing done. I've repaired all of the exposed horsehairs by patching it with plaster and painting. Plaster was rare in the very oldest New England houses. What would be the asbestos? Horsehair comes from the manes and tails of horses. Horse hair plaster is well known, although other animal hair was used, depending on the region. My experience is that if it has horsehair visible, it is much less likely to contain asbestos. com Sep 13, 2021 · Although asbestos can be found in horsehair plaster, most of the time horsehair plaster doesn’t contain asbestos. As a result, is asbestos present in horse hair plaster? Asbestos has been known to act as a bonding matrix in horse hair plaster, though I’m not sure how What is horse hair plaster made of? Horsehair plaster is a relatively simple mixture and application process. For added context, the house was built in 1920, we’re in the US northeast. Dealing with them can be a bit of a mystery for many owners. Is horse hair plaster toxic in this manner? According to Asbestos Watch and Bricks, horsehair plaster may contain anthrax spores or asbestos. Horse hair plaster was used from the 1800s to the mid- to late 1950s. Any Nov 7, 2024 · I think I would just slap drywall over the plaster. Contractors frequently used or applied asbestos-containing materials in: Ceiling tiles Asphalt roof shingles 2 Wall and attic insulation (or “loose fill” insulation) Certain textured paints and Nov 28, 2022 · Can horsehair plaster walls be repaired? Yes, holes and imperfections in the horsehair plaster can be filled with joint compound. Another myth is that this animal hair is horse hair. Homebuilders used horsehair to bind the plaster mixture together and add strength to it. May 7, 2019 · Horse Hair Plaster was how most walls were finished before Drywall became popular after WWII. Both the ox and the donkey have been contributors. Was asbestos used in plaster in 1920’s? Until the mid-1980s, asbestos was commonly added to plaster. Not asbestos. What years did horse hair plaster? Until the late-1950s, plaster walls were the norm in new home construction. | Horse hair (or other animal hair) was added to plaster to help prevent shrinkage and bind the mixture all throughout the 1800s Horsehair plaster can contain dangerous asbestos and anthrax fibers. If you have any asbestos exposure, it’s important to get it checked out for signs of asbestos-related diseases. If the fibers are in the core of the plaster board it would be Asbestos. You can't visually see asbestos in plaster, but you can only be sure by having it tested. They used it to hold the plaster boards together pre-modern cardboard sandwiched plaster boards. Also if the Veneer Plaster system is a two coat it could contain Asbestos. May 21, 2025 · Horsehair plaster is potentially dangerous because it may contain anthrax spores or asbestos, according to Asbestos Watch and Bricks & Brass. Asbestos was used as a binder for plaster, like how horsehair was used. The composition of horsehair plaster poses a risk of contamination from asbestos and anthrax spores, owing to the inclusion of animal fibers in the mixture. It’s beautiful and most of the homes in the downtown area are over 100 years old. www. These days, horsehair plaster is rarely utilized. Safe removal of horsehair plaster requires stringent safety precautions. I’m looking at houses built in […] Oct 30, 2012 · Historic plaster Historic Plaster is a Lime-based plaster reinforced with animal hair, usually from horses, cows, goats or oxen. Hiring a professional to inspect the property is the only way to be 100% sure if asbestos is present or not. If you brush the plaster, you risk exposing yourself to the plaster dust and these spores. Being that this is horse hair plaster board, he said it was incredibly unlikely. Here are some important facts: 1. Asbestos, a known carcinogen, was a common additive in building materials. As the colonists became more established Asbestos has been known to act as a bonding matrix in horse hair plaster, though I’m not sure how widespread Asbestos use was in the late 1800s. Sometimes the hair of other animals was used. It consists of a binding agent (clay, lime, gypsum, or cement), an aggregate (traditionally sand), and water; fibers such as hair are often added for strength. If you’re concerned about asbestos in your plaster walls, it’s advisable to seek the expertise of a certified professional for a thorough testing and identification. A lot of Dec 3, 2020 · Hi, In a closet there is the exposed lath and crumbling plaster. Side note, that looks like good old fashion WA jarah framing and the wiring has been redone at some point which is good news. Nov 29, 2022 · Horsehair plaster and dust can be potentially dangerous because they may contain asbestos and anthrax spores. If you lived in a home built in the 1920s or 1930s, there is a significant chance you have asbestos in different rooms, structures, and features. Understanding Horse Hair Plaster Horse hair plaster, a mixture of lime, sand, water, and According to Asbestos Watch and Bricks, horsehair plaster may contain anthrax spores or asbestos. So without further ado, let’s get started. Victims diagnosed with mesothelioma cancer may be eligible for compensation. We bought a fixer upper house and 2 weeks after closing found out that there is asbestos in the brown coat/horsehair plaster in every wall of the house! The house is from 1899 and has almost all of the lathe and plaster walls intact. It is composed of a mixture of lime, sand, water, and horsehair, which provides strength and prevents cracking. I'm removing plaster ACM from a 100+ year old school currently. Animal Hair Plaster Mixture for Maryland Statehouse Horsehair Nov 29, 2022 · Although asbestos can be found in horsehair plaster, most of the time horsehair plaster doesn’t contain asbestos. Most homes constructed before 1980 contain asbestos. Oct 27, 2022 · This article will help you understand the difference between horsehair plaster and asbestos & how to repair or remove horsehair plaster. · Horse hair plaster has be known to contain Asbestos as a bonding matrix, although I'm not entirely sure how common Asbestos use was in the late 1800's. Is there asbestos in horsehair Mar 24, 2014 · Originally Posted by eddie1278 If you get asbestos in your lungs that's it. Oh, for heaven's sake calm down. Does plaster contain asbestos? This article explains where & when asbestos is likely to be found in plaster used on building walls & ceilings. I've been told it's Horsehair plaster. It is what it is in either event,😬. If you suspected it of being asbestos why would you be holding it? It appears to be horse hair but without testing who knows. What is this? In fact, many professionals say that if the plaster on your walls has a lack of dark horsehair fibers, there’s a good chance the plaster may be contaminated with asbestos. Feb 15, 2025 · Cut and Remove Plaster: Use a drill and saw to cut through the plaster, exposing the studs. Oct 20, 2025 · Are you worried there is asbestos in lath and plaster walls in your home? Keep reading to learn why this building material is so dangerous and how to find it.