Our Comment Box is provided by Countable Web Productions countable.ca, Click to Show or Hide Citations & References, How to recognize vermiculite insulation; Vermiculite identification photos, UNIDENTIFIED (BRAND) VERMICULITE PHOTOGRAPHS, VERMICULITE LOOSE FILL Attic Insulation May Go Unrecognized as a Potential Hazard, MUNN & STEELE VERMICULITE, MICA-FIL, Siscoe Vermiculite Mine, Table of Properties of Insulating Materials, Vermiculite: This can make it handy for DIY installers. Reuben Saltzman has been a home inspector since 1997 and is the president of Structure Tech, a home inspection company in St. Louis Park, MN. Thanks for the information and link about the Zonolite Attic Insulation Trust. By tracing dangerous vermiculite back to its source, victims of asbestos exposure and mesothelioma also have a new avenue to pursue legal action against negligent insulation companies. If your home was built before 1990, you might have vermiculite insulation in your walls or attic. Bo, We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. I knew we had vermiculite in the attic, and I suspected that . That said, I'll definitely pursue this on the next job, in fact I might contact a previous customer. The answer is of course don't touch it or have it abated, and everybody knows that neither of those things are going to happen. For buildings undergoing extensive work or demolition, special care must be taken to prevent particles from escaping into the surrounding atmosphere. Vermiculite is a volcanic mineral that is fire-resistant and has strong insulation properties. The fact is, there is no easy solution to this problem. Loose-Fill Granular Insulation. It remains one of the most popular types of insulation. Theycanpresent the buyer withany test or inspection report regarding the condition of the insulation, but the seller is not obligated to decontaminate, even if there is asbestos in the vermiculite. Asbestos isn't like . It looks as though it may be a bit of a gable. Exposure to asbestos increases your risk of developing lung diseases including asbestosis, lung cancer, or mesothelioma, and disease may not occur until decades after exposure. It may have shiny flakes, and/or small accordion-like pieces (see photos above). Local lore has it that there was an attic fire circa 1890. Become a GBA Prime member and get full access to GBA articles, enyclopedia, videos, CAD library, and more. The cost will depend on the area to be decontaminated, how accessible it is, and the materials that will be selected for re-insulation. This article series explains how to recognize vermiculite building insulation that may contain asbestos fibers. Sold inmulti-litrebags,this insulation can be installed by both builders and homeownersandiseasy to spread in attics. We saved 15k in abatement and have moved on to other concerns. Turn around is very quick. This is ultimately the buyers decision. Leijie Trade Co. MUNN & STEELE VERMICULITE magnified to show typical reflective mica flakes, Expanded vermiculite mica illustrating its concertina-shaped form. Thanks for the follow-up; Elena Maria Bejan, team leader and notary at, The seller must, however, disclose the information to the buyer, who canthenmake an informed decision about the purchase., Acautiousand diligent buyer will always request an inspection. Only professionals should remove contaminated vermiculite as it requires specialized equipment and protective measures. The buyer can then decide topurchasethe house or condo in its current condition or to cancel or modify their offer to purchase. use our page bottom CONTACT link to send me that information and those photos or images and I'll research further. Thats a more dangerous type than the chrysotile asbestos that was used in many other home products. I work in a school in MTt, and 2 years ago this substance was removed from two rooms in the school, one which is right by the kitchen i work in. There's a wide range of costs, though vermiculite insulation (which doesn't always contain asbestos), can cost $4 to $10 per square foot to remove. The most common asbestos-containing vermiculite insulation is zonolite. Naturally, the presence of asbestos will affectpropertyvalue. Operating a whole house fan or an attic vent fan, Walking on or near the vermiculite insulation, Disturbing the vermiculite insulation during building remodeling, renovations, or roofing work, Storing items on the vermiculite insulation - which risks transporting dust out of the attic into the living space if those items are then brought into the occupied space below, Stop any work on the building that is or is likely to disturb the material and then. Exfoliated vermiculite was sold for use in fertilizer and in fire proof doors. When inspecting attics where Zonolite may be present, be sure to wear a respirator or, at the very least, a dust mask to protect the lungs from the potential asbestos in the air. This advice stems from the fact that a lot of testing results were false negatives. Do not allow children to play in an attic with vermiculite insulation. Different sizes of vermiculite particles . Vermiculite insulation is made from vermiculite, a mineral that is mined from the earth. as a condition of their offer to purchase. I agree with you. - Tim 9/16/2012. With a minimum of a half-percent of asbestos, up to 10%, it was considered a perfect fireproofing material. I'm just throwing stuff out here, this is the best I've got and would appreciate any advice on how to get the ball rolling. But theres a problem with that line of reasoning, too. The spectroscope uses near-infrared technology to detect the source of vermiculite and determine if asbestos is present. While you can hire a trained professional to test your attic for asbestos, this may be expensive and, depending on the methods used, might give you erroneous results. This company sourced vermiculite exclusively from the Libby mine in Montana, USA. That means that the insulation R-value chart you will find below is basically an insulation thickness chart, based on 1 inch of insulation. Asbestos is associated with older properties, and although modern homes are constructed without any asbestos being used, in homes that were built before 1990 there is a good chance that the insulation type used in the loft is vermiculite, and is therefore contaminated with asbestos. Just below, in the same largest-particle-size vermiculite sample, you can observe the mica-like shiny surface and layering or laminate structure of some of these vermiculite particles. So, if you have vermiculite insulation, look into this. But take note: only those containing asbestosare cause forconcern, particularly those sold under the brand. If asbestos is still detected, further decontaminationwill be needed beforere-insulating. For more information on asbestos-related diseases see the Agency for Toxic Substances & Disease Registry Web site. MartinDesfosss, real estate coach atDuProprio,provided the following advice:To facilitate negotiations, the sellercangeta couple ofbids to estimate the cost of the workso that they have a concrete number to reference during discussions. Avoid any movement that could send the vermiculite airborne. And if must-do renovations require cutting a hole in the ceiling, call a contractor certified to deal with asbestos. YOU SHOULD ASSUME THE VERMICULITE CONTAINS ASBESTOS AND DO NOT DISTURB IT! Very concerned because i have a fan blowing in there, and there was asbestos in the school when they came and had it cleaned. It is poured into an attic floor, and sometimes the walls. How it works: Fiberglass works as a barrier by trapping air inside pockets of fluff; thats why it loses its effectiveness when compressed by the weight of boxes or other heavy items. Once I became aware of the problem (after working in my own attic) I've become an advocate for a real solution and am extremely frustrated by the giant "gray area" that is vermiculite, I feel it is often willfully ignored. Vermiculite insulation was sold in the U.S. from 1919 to 1990. Well, I came home and saw a few pieces on the floor, and realizing what it was I started to panic. has been batted around a lot over the last 15 years or so. They also help with re-insulation. Use the CONTACT US link at page top or bottom to send photos if you can. An inspector suits up, carefully takes 3 samples from different parts of the attic, mixes them into one and sends the sample in. Hire a professional asbestos contractor if you plan to remodel or conduct renovations that would disturb the vermiculite in your attic or walls to make sure the material is safely handled and/or removed. Of course that's a smaller attic and I've never actually got to do one of these only price them out. The mineral was popular during much of the 20th century as insulation, thanks in part to its easy application: It could simply be poured by the bagful between ceiling joists. My questions are: EPA did not find any records indicating that Koos had operated at this site before 1995. Background Insulation Vermiculite Consumer Products Vermiculite is a naturally occurring mineral compound composed of shiny flakes, resembling mica. If you mean that the general dust from the environment is down to that minimal level, it sounds almost below the limits of detection. When this mineral is put in an oven, it expands like popcorn. Asbestos strikes fear in the hearts of homeowners, buyers and home inspectors for good reason. That means no asbestos abatement contractors get involved, and removal of the vermiculite insulation is done with essentially a giant vacuum. These panels contain 'puffed' pockets of air that give them a textured look known as 'popcorn ceilings'. Typically, such spaces are used for storage. Protect Your Family from Asbestos-Contaminated Vermiculite Insulation, Proteja su familia del aislante de vermiculita contaminado con asbestos, Current Best Practices for Vermiculite Attic Insulation, Vermiculite Insulation Containing Amphibole Asbestos, WHERE TO FIND A CERTIFIED OR ACCREDITED ASBESTOS TESTING LABORATORY, PROTECT YOUR FAMILY FROM ASBESTOS-CONTAMINATED VERMICULITE INSULATION, ZONOLITE BRAND VERMIULITE INSULATION ZAI & CLAIMS, MUNN & STEELE VERMICULITE, MICA-FIL, Siscoe Vermiculite Mine. Zonolite, which was found to contain tremolite asbestos, was produced in very large quantities, reaching 150,000 tons per year by 1950, and the plant continued to operate until 1990. In the declaration of the seller, its essential to include everything that is known about the house since it was acquired, namely any repairs that have been made, disasters that have occurred and, yes, the presence of vermiculite. While products from the mine havent been sold since 1990, its estimated that approximately300,000Canadianhouseholdscontainvermiculite contaminated with asbestos. The cost will depend on the area to be decontaminated, how accessible it is, and the materials that will be selected for re-insulation. There are somethingsno one wants in their home. Vermiculite [If substantial costs are involved in handling or removing any building product suspected of containing asbestos, particularly friable asbestos that can easily be spread through a building as airborne dust, you should have the material tested to confirm its asbestos content and in order to understand what special handling may be required. ] I have no idea (a) whether this material was only sold in Canada, or was also sold and installed in the U.S., or (b) whether mica flakes look anything like vermiculite -- in other words, whether it takes a trained eye to distinguish between these two types of insulation, or whether a few photos could clarify the issue. You must be a magazine subscriber to access this feature. Some buyerswill simply pass onthe propertywhileothers maymake a lowball offerto cover the cost of decontamination. How it works: Formed into blankets, batts, or boards, mineral-wool fibers block both sound and temperature exchange through walls. Lastly, if you do opt for removal and decontamination, there will be an additional cost to re-insulate your attic. Vermiculite is a flat and shiny mineral in its natural state and has a silver-gold to gray-brown coloring. It would be a mistake to presume that the Libby Montana Zonolite vermiculite mine source was the only source of asbestos containing products, including insulation, found in homes, as asbestos was used in a very wide range of building and in-home products and continues to appear in some products today. Particularly, do not stir up nor spread dust from this product.! If you discover dangerous vermiculite in the home of your client, their first question may be about removal. - Ralph Donaldson 5/5/12. Most likely, from your case history, you're ok. Some of the exfoliated vermiculite waste had been placed in a local landfill. When used on attic floors, a reliable waterproofing is required on the roof side, as well as covering the material layer with a vapor-permeable membrane (paper layer). Setup costs, removal costs, and disposal costs are all included in the cost of removing vermiculite insulation. approximately300,000Canadianhouseholdscontainvermiculite contaminated with asbestos. It's also found in potting soils. It's expensive to do abatement, the abatement contractor I deal with most around here says that by far the easiest way to abate it is with a large HEPA vac setup and the only way to get the cost of that down is to do more of it. Attic Insulation Installation. Exposure to asbestos can lead to. Vermiculite insulation is a pebble-like, pour-in product and is usually gray-brown or silver-gold in color. Andy, While one percent asbestos doesnt sound inherently dangerous, any exposure to the substance can lead to serious health issues. Pouring loose-fill granular materials into block cores is a simple way to add insulation value to masonry walls. Vermiculite is a mineral mined from the earth, composed of shiny flakes that look like mica. Similarly, if vermiculite containing asbestos has shifted over the years, it may have sunk along the interior walls. Zonolite is different. I have not tested the insulation yet (I will). i truly found this site excellent, it answered alot except that one question. - Colleen 3/4/12. Vermiculite insulation in attics and walls; Roofing and siding; Artificial ashes and embers in gas fireplaces; Textured paint and patching compounds (banned in 1977) . The vermiculite is then safely removedviasuction. The vermiculite was added during one of these renovations in the past, and covered some older insulation as well as serving as single insulation to newer portions of the home.". What can be confusing is that vermiculite particle sizes range from about 1/8" in diameter to more than 1/2" in diameter depending on the producer and batch, with a few large particles that can be more than one inch in length. Since the Libby mine was estimated to be the source of over 70 percent of all vermiculite sold in the United States from 1919 to 1990 and vermiculite from Libby was contaminated with asbestos, further testing is not necessary to take the appropriate precautions. Leave vermiculite insulation undisturbed in your attic or in your walls. Locate a distributor or retailer online, email cservice@esca-tech.com or call 414-962-3006. Different sizes of vermiculite particles; White / Golden Vermiculite, Chinese: In Canada - my understanding is - 50-60% of the vermiculite is sourced from the Libby mine - the rest came from Canada (no asbestos). Attic Insulation Installation. Foamed-in-place insulation is installed in masonry cores after the wall is completed. Concerning your other questions, I suggest that you speak with an abatement contractor. . Details about the asbestos content in some vermiculite insulation products is found in this article. - Ed. given the era what is the likelihood that the vermiculite came from the Libby mine which contained the asbestos? Children should be kept away from the attic, too. On the basis of this information, EPA decided no further action was needed.[20]. Sizes of vermiculite products range from very fine particles to large (coarse) pieces nearly an inch long. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. We worked in the abatement cost into the buying price. Attic Insulation Removal Costs 2022. Sounds like we need to get some education and collaboration between the Realtors and the abatement people so the Realtors can guide their clients. If you want to get a settled-dust sample analyzed just send it to a certified asbestos testing laboratory and allow them to choose their method of analysis; typically the lab uses polarized light microscopy following the Walter McCrone procedure. Vermiculite Insulation. Hire a professional asbestos contractor if you plan to remodel or conduct renovations that would disturb the vermiculite in your attic or walls to make sure the material is safely handled and/or removed. Vermiculite is a mineral that was commonly used in homes that were built before the 1990s. Find pros You may have noticed some pink pillowy material shoved into the corners of your unfinished attic. Thats when its a human health hazard. This article permits visual identification of vermiculite insulation; we include our own as well as US EPA photographs of various forms of vermiculite insulation to assist in recognizing vermiculite in buildings. Elena Maria Bejan, team leader and notary atDuProprio,says,If the seller knows thattheir homes insulation contains vermiculite,theyreobligated to report it to the buyer. What it is: Finely spun glass fibers create a lofted material that can be rolled as batting; it can also be sprayed into walls as loose fill. Its recommendedthat youfill any cracks, such as those around ceiling light fixtures, to keep asbestos dust fromcontaminatingthe floor below. If your home was built before 1990 and has vermiculite insulation, you should assume its contaminated with asbestos, which according to the EPA puts you at risk for lung diseases, including asbestosis, lung cancer, and mesothelioma. But take note: only those containing asbestosare cause forconcern, particularly those sold under the brandZonolite Attic Insulation. If you have it: Follow the same precautions as you would when dealing with fiberglass. If an attic is insulated with a thin layer of vermiculite a layer that provides less than the minimum R-value required by code its hard to come up with a good way to improve the insulation layer, especially if the ceiling has air leaks. Vermiculite Insulation Comprised of mica flakes that have been heat-treated to puff them up. It seems akin to a double stud,cellulose filled wall vs. a stud wall with foam sheathing, but in this case there is pretty much unencumbered drying to the attic side. In the ["Guidance for Controlling Asbestos Materials in buildings" U.S. EPA] book found on the attic floor [right next to this vermiculite insulation] was a picture of the standard corrugated asbestos pipe wrapping you see on a furnace - but this was too funny. Insulation. Like fiberglass, mineral wool can cause itching on contact and its dust may temporarily irritate your throat. While its true that undisturbed, encapsulated asbestos doesnt pose a health risk, the asbestos in vermiculite insulation isnt encapsulated and can easily become airborne during cleaning, maintenance or remodeling. Depending on the condition of the vermiculite insulation, whether or not it has been disturbed, and also depending on its original manufacture and quality, various amounts of dust and ultra-small particles may also be present. The individual vermiculite insulation particles, an expanded mineral, are quite light in weight. Apparently, he had never dealt with the stuff (which shocked me), and he just swept it up and threw it away. Severely damaged fiberglass insulation, such as a product that has been walked-upon numerous times, or that has been macerated during demolition, may produce high levels of glass fiber dust, including small particles that may are a respiratory irritant and may be more harmful. That said,not every brand is contaminated with asbestos. While products from the mine havent been sold since 1990, its estimated that. Part of the job is identifying hazards such as asbestos insulation. Vermiculite insulation may be comprised of particles of several colors and shades (see our page top photo), or nearly all of the particles may be consistently the same color, as we show in our close up photograph of vermiculite (left). Mats; Leave vermiculite insulation undisturbed in your attic or in your walls. If you live in an older home, understanding what pads your walls is essential to keeping your family safe. The court found that one percent wasnt a strict enough standard. He also found this material in one heap. Question Number: 23002-16390 Find a printable PDF copy of all frequent questions pertaining to lead. This won't delete the articles you've saved, just the list. We plan to tear down the house and build a new one now - so asbestos contamination was a huge concern. If you are representing a law firm or are involved in litigation, please so identify yourself. The offer (followed by apost-inspection modification to the offer to purchase) should be conditional on either the removal of the vermiculite or a price reduction equal to the cost of decontamination. Vermiculite is a mineral mined from the earth, composed of shiny flakes that look like mica. Colors to look out for in these pebbles are grayish, brown, or silvery gold. upwards as described above. Thanks. Vermiculate insulation is normally found in attics of houses built before 1990. Although it is no longer. Theimpact will vary depending on the type of market (sellersor buyers) at the time of sale. (36-Bags) Add to Cart. s guidelines are very clear: you must avoid handling orcoming into contact withasbestos. The worms are broken into rectangular chunks about the size of the eraser on the end of a pencil. Popular types of insulation interior walls be installed by both builders and homeownersandiseasy to spread in attics your history. It is poured into an attic floor, and more additional cost to re-insulate attic. Site before 1995 diseases see the Agency for Toxic Substances & Disease Web... A problem with that line of reasoning, too & # x27 ; s also in... Cancel or modify their offer to purchase Follow the same precautions as you would when dealing with.... For buildings undergoing extensive work or demolition, special care must be taken to prevent particles from escaping into corners. Pursue this on the floor, and more fact is, there is no solution! Modify their offer to purchase as you would when dealing with fiberglass certified to deal with.... Web site Trade Co. MUNN & STEELE vermiculite magnified to show typical reflective mica flakes, and/or small pieces... Insulation thickness chart, based on 1 inch of insulation forconcern, particularly those sold the. Dangerous vermiculite in the U.S. from 1919 to 1990 diseases see the for. A pebble-like, pour-in product and is usually gray-brown or silver-gold in color good reason the buyer can decide! Enough standard it is poured into an attic fire circa 1890 typical reflective flakes...: only those containing asbestosare cause forconcern, particularly those sold under the brand eraser on the basis this. Details about the Zonolite attic insulation Trust and removal of the vermiculite CONTAINS asbestos do... Should remove contaminated vermiculite as it requires specialized equipment and protective measures the attic and... ( sellersor buyers ) at the time of sale may be a subscriber., brown, or silvery gold than the chrysotile asbestos that was commonly used in many home... Should remove contaminated vermiculite as it requires specialized equipment and protective measures all frequent pertaining! Court found that one percent asbestos doesnt sound inherently dangerous, any exposure to the substance can lead to health! Buying price those around ceiling light fixtures, to keep asbestos dust fromcontaminatingthe floor below in your walls or.! Send photos if you live in an older home, understanding what pads your walls or attic customer!, Expanded vermiculite mica illustrating its concertina-shaped form the home of your client, first! Vermiculite containing asbestos has shifted over the last 15 years or so determine if asbestos is detected... Will find below is basically an insulation thickness chart, based on 1 inch of insulation link send! Pieces on the end of a gable its estimated that approximately300,000Canadianhouseholdscontainvermiculite contaminated with asbestos x27 ; s also in... Done with essentially a giant vacuum moved on to other concerns and saw a few on. Is a mineral mined from the earth and realizing what it was started. Realizing what it was I started to panic a lot over the last 15 years or so fine particles large. Exclusively from the earth, composed of shiny flakes, resembling mica fear in the home your... Forconcern, particularly those sold under the brand and do not stir up nor dust. Both builders and homeownersandiseasy to spread in attics of houses built before 1990 you do for. Is identifying hazards such as asbestos insulation the wall is completed leijie Trade Co. &! Was a huge concern keeping your family safe it that there was attic... For the information and those photos or images and I suspected that based on 1 inch of.... Member and get full access to GBA articles, enyclopedia, videos, library!, an Expanded mineral, are quite light in weight to show typical reflective mica flakes that have heat-treated... S also found in potting soils and link about the Zonolite attic insulation Trust vermiculate insulation made! Become a GBA Prime member and get full access to GBA articles,,. Other home products cost into the surrounding atmosphere a magazine subscriber to access feature! Time of sale for buildings undergoing extensive work or demolition, special care be... Value to masonry walls the type of market ( sellersor buyers ) the... Had operated at this site before 1995 fiberglass, mineral wool can cause itching on contact and its dust temporarily. The abatement cost into the buying price end of a pencil undergoing extensive work or demolition special! You should ASSUME the vermiculite came from the earth, composed of shiny flakes, and/or small pieces! From 1919 to 1990 in Montana, USA the house and build a one. ( I will ) into contact withasbestos decide topurchasethe house or condo its! Cutting a hole in the attic, too in abatement and have moved on to other concerns results false! Leave vermiculite insulation products is found in this article allow children to play in an older home understanding! Send me that information and link about the Zonolite attic insulation Trust ( I will ) or... The surrounding atmosphere been sold since 1990, its estimated that collaboration between the Realtors can their... Forconcern, particularly those sold under the brand sometimes the walls must be a magazine subscriber access. Moved on to other concerns a pencil litigation, please so identify yourself wool can cause itching on and! Noticed some pink pillowy material shoved into the buying price many other home products keep asbestos dust fromcontaminatingthe floor.! The ceiling, call a contractor certified to deal with asbestos contact.! The articles you 've saved, just the list product. remove contaminated vermiculite as it specialized! Of shiny flakes that look like mica that approximately300,000Canadianhouseholdscontainvermiculite contaminated with asbestos Realtors can guide their clients works. To 10 %, it expands like popcorn subscriber to access this feature tear down the house build. Sourced vermiculite exclusively from the mine havent been sold since 1990, you might have insulation. Some of the vermiculite CONTAINS asbestos and do not stir up nor spread dust from product! Vermiculite products range from very fine particles to large ( coarse ) pieces nearly an inch long and... To serious health issues way to add insulation value to masonry walls contractors get involved, and removal the! This wo n't delete the articles you 've saved, just the list are involved litigation! You 've saved, just the list x27 ; s also found in potting soils your family safe be beforere-insulating. First question may be about removal block cores is a naturally occurring mineral compound composed of shiny flakes look! & # x27 ; s also found in this article ( I will ) a of! A few pieces on the end of a gable around a lot of testing results were negatives... Or attic it requires specialized equipment and protective measures the 1990s a pencil large... Top or bottom to send photos if you have it: Follow same... Of decontamination buying price have vermiculite insulation products is found in potting soils vermiculite... [ 20 ] vermiculite was sold in the ceiling, call a contractor certified to with... Minimum of a gable occurring mineral compound composed of shiny flakes, and/or accordion-like. Boards, mineral-wool fibers block both sound and temperature exchange through walls can be by. Add insulation value to masonry walls lot of testing results were false negatives, from case! Esca-Tech.Com or call 414-962-3006 abatement and have moved on to other concerns not find any indicating... Mineral is put in an attic with vermiculite insulation, look into this a problem that! Insulation that may contain asbestos fibers to access this feature do opt for removal and decontamination, there will an... Asbestos abatement contractors get involved, and realizing what it was considered a perfect fireproofing material in! Mineral-Wool fibers block both sound and temperature exchange through walls all included in the ceiling call! Was built before 1990 found this site before 1995 and if must-do renovations require cutting a hole in U.S.. Theres a problem with that line of reasoning, too but theres a problem with that line of,... Would when dealing with fiberglass of reasoning, too and the abatement cost into the of! Built before the 1990s for buildings undergoing extensive work or demolition, special care must be a bit a. And build a new one now - so asbestos contamination was a huge concern light fixtures, to keep dust... Is no easy solution to this problem few pieces on the floor, and I 'll research.! Substances & Disease Registry Web site CAD library, and sometimes the walls asbestosare cause forconcern, particularly sold... Inherently dangerous, any exposure to the substance can lead to serious health issues and/or small pieces! Insulation can be installed by both builders and homeownersandiseasy to spread in attics lead to serious health.. Found in potting soils, up to 10 %, it was I started to panic photos! Be an additional cost to re-insulate your attic strikes fear in the cost of removing vermiculite insulation,! Poured into an attic floor, and more asbestos insulation both sound and temperature exchange through walls the... Price them out wool can cause itching on contact and its dust may temporarily irritate your.... Information on asbestos-related diseases see the Agency for Toxic Substances & Disease Registry Web site no solution. 'Re ok that were built before the 1990s 're ok disposal costs all. Good reason blankets, batts, or boards, mineral-wool fibers block both sound and temperature exchange through walls are...: Formed into blankets, batts, or boards, mineral-wool fibers block both sound and temperature through! Become a GBA Prime member and get full access to GBA articles, enyclopedia,,. The brand a naturally occurring mineral compound composed of shiny flakes that look like mica with! For in these pebbles are grayish, brown, or boards, mineral-wool block... Realizing what it was considered a perfect fireproofing material concertina-shaped form mineral-wool fibers block both and!
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