Recent findings about vermiculite ore contaminated with tremolite asbestos have caused. Commercially produced vermiculite insulation from Libby, Montana, contains trace levels of asbestiform amphibole, which is known to cause asbestos-related diseases. Vermiculite insulation is a pebble-like, pour-in product and is usually gray-brown or silver-gold in color. A few large, hard, green flakes can be easily seen, which in my experience can typically indicate positive for asbestos (I keep a tally of my guesses before I send the samples, I am currently 64/83, 77%. Check the underside of your roof for a white or gray rough coating. 31 (ex. AVD Fire. The EPA recommends that vermiculite insulation be left undisturbed. It comes in small pellets, such as those used for wood stoves. Vermiculite is still sold today, mainly for agricultural and horticultural use. Its nominal particle size is between 2 -15mm. If you must remove any asbestos-containing vermiculite from your home, you should hire a licensed asbestos contractor. Where does the asbestos come from and why is it a health concern? Vermiculite ores often contain a range of other minerals including, in some cases, asbestos. Browse 270+ asbestos insulation stock photos and images available, or search for asbestos tile or asbestos removal to find more great stock photos and pictures. £1,438. Nominal Particle Size Loose Bulk Density Large Grade (Micafil) 3 – 15 mm 70 Kg/m 3 Medium Grade 2 – 8 mm 85 Kg/m 3 Fine Grade 0. (Source: DSP Inspections) In the U. Vermiculite produced by the Libby, Montana, asbestos mine can contain asbestos. - They would need to gather 3 samples in different sections of the. Does Vermiculite Contain Asbestos? What is the Mixing Ratio to Mix Vermiculite with Cement? What are the Insulation Properties of Micafil Volume Calculator Downloads. According to the EPA, you should assume that vermiculite insulation contains asbestos. When it comes to asbestos, it rarely needs introduced at this point. While no longer produced, as many as 35 million U. This procedure DOES NOT test for asbestos content. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. 2009). Contribute to dinglei2022/en development by creating an account on GitHub. ASBESTOS-CONTAMINATED VERMICULITE Overview In response to reports it received about adverse human health impacts associ- ated with exposure to asbestos. com. But now that we know the damage asbestos has on our lungs, removing this undesirable building material has. The EPA recommends that vermiculite insulation be left undisturbed. Tremolite ranges in color from a milky white to a dark green and is found in other minerals such as talc and vermiculite. As an example, if you spent $3,000 for vermiculite removal and $1,800 for reinsulation you are potentially eligible for a $2,640. The concerns about the dangers with vermiculite insulation in the UK stem from the fact that until the 1990s, most vermiculite originated from a mine in America which also contained asbestos deposits. Found vermiculite (asbestos) under attic floor boards on top of plaster ceilings while investigating before doing renovations. Average asbestos garage roof removal cost: £1,650. In short, the Trust will reimburse up to 55% of the total cost of removal, abatement, or containment, and re-insulation, (as long as the re-insulation costs are reasonably related to the size of the vermiculite abatement) with a maximum reimbursement of $4,633. Spray-On Asbestos Insulation. Recent findings about vermiculite ore contaminated with tremolite asbestos. Other common uses are as thermal and sound insulation, construction material, insulation material, and for lightweight, absorbent packaging material. Vermiculite is an insulation that comes in pellets ranging in colour from silver-gold to grey-brown. EXFOLIATED VERMICULITE consists of accordion-like granules containing microscopic air layers, to which vermiculite owes its light weight and excellent insulation properties. Why should I be concerned about asbestos-contaminated vermiculite insulation? A mine near Libby, Montana was the source of over 70 percent of all vermiculite sold in the U. As well as being rich in vermiculite. asbestos and take precautions. You are over thinking this. Vermiculite-fill insulation is one of the most common household materials that contain asbestos. e. S. Great job, but today I find about 75% of Vermiculite by Libby etc in the USA contains a dangerous form of Asbestos. Thermal Conductivity: k-value = 0. It fixes the chimney liner at the top of the stack using plates and clamps. It can also be seen on ceilings, where it looks like a thick coating of cement. 5–6. Indiana has notification requirements for demolition or renovation of commercial and industrial buildings that have ACM. Vermiculite is a naturally occurring mineral compound that expands when heated. I would leave that research to Dr. Not all vermiculite products contain asbestos. In the 1920s, Zonolite began mining vermiculite in Libby, a city in Montana. Lightweight packaging. It fixes the chimney liner at the top of the stack using plates and clamps. Being with features like lightweight, fireproof, and absorbent, it is the ideal loose fill. Micalite Boards is checked by an independent laboratory for the presence of Asbestos. Different sizes of vermiculite particles . Made from a naturally occurring mineral, vermiculite insulation can be poured within your loft for a simple-to-install insulation option. I found a couple of paper bags in the attic today with the name Micafil. 1 milligrams per cubic meter, which is the lowest possible exposure. Airborne asbestos is dangerous because certain forms of it are quite effective and triggering a deadly form of lung cancer. The expanded vermiculite is a light-weight, fire-resistant, and odorless material and has been used in numerous products, including insulation for. Made from aluminium-iron-magnesium silicates, it is a natural mineral used for void filling. Therefore, the only way to definitively know is to have samples of the material in question analyzed. The Fine “One Percent” Line. £ 25. , vermiculite insulation, vermiculite block fill) must be treated as asbestos-containing material, regardless of its asbestos content. Sold in multi-litre bags, this insulation can be installed by both builders and homeowners and is. Therefore the Micafil loft insulation is considerably more expensive!products. )Insulation with vermiculite looks like small gray-brown or silver-gold pebbles. 1 m 2 K/W per metre of insulation. Price of Micafil loft insulation. Would the UK regulations then in force allowing the bagged sale of this material - I estimate I purchased the equivalent of 10-12 bags x 100litres. Name – Vermiculite is sold as Zonolite. These requirements also apply to renovations and demolitions of multi-family buildings with more than four. g. Most plants are in pots for now, I repotted everything with 40-50% vermiculite/50-60% compost and everything is doing much better. Vermiculite ores may contain a variety of other minerals including asbestos, which, if present in significant quantities, could pose a health risk to producers and end users. At the height of asbestos insulation use, there were many different brands, including Zonolite, Kaylo and Limpet. Only a trained technician using a microscope can see asbestos fibers. Airborne asbestos Last published: May 11,. , loose-fill insulation, acoustic finishes, spray-on insulation, and concrete mixes for swimming pools), agricul-tural and horticultural products (e. , pipe lagging, sprayed-on fireproofing) may be assumed to be less than 1% if the vermiculite constitutes less than 10% of the total material. Since there is. It’s generally silver-gold or brownish-grey and looks like a. To further reduce the risk associated with the occasional use of vermiculite products during gardening activities, EPA recommends that consumers: Use vermiculite outdoors or in a well-ventilated area. Vermiculite attic insulation is a pebble-like, pour-in product and is usually light-brown or gold in color. Vermiculite: a review of the mineralogy and health effects of vermiculite exploitation. Vermiculite Boards Ideal for wood burning stoves, Micalite™ boards are available in pre-cut shapes with decorative surfaces including Brick effect, Herringbone and Reeded patterns. 7 reviews. Vermiculite insulation and stored boxes show. Also, it is a common material that is known to contain asbestos. 0). 15. Vermiculite Micafil is as an excellent thermal insulating material capable of withstanding temperatures in excess of 1000C. It may have shiny flakes or small accordion-like pieces. Expanded vermiculite is used in construction and consumer materials (e. Light-weight loose fill insulation. 88. It is typically light gray or yellow and has a crumbly texture. It is very flexible and is often used in attics and walls or wrapped around pipes. Alan Carson is a past president of ASHI, the American Society of Home Inspectors. The EPA recommends that vermiculite insulation be left undisturbed. If you choose to remove the vermiculite. . The International Agency for Research on Cancer recently concluded that “all forms of asbestos are ‘carcinogenic to humans’” and that “mineral substances (e. Similar Posts. Known as Micafil, expanded vermiculite is a 100% natural material that can be used for void fill. Spray-on insulation coatings made before 1990 usually contain a high percentage of asbestos. before 1990 contains amphibole asbestos fibres. However, that is not to say it cannot contain. It is not always necessary to remove the asbestos from the workplace or home. EXFOLIATED VERMICULITE consists of accordion-like granules containing microscopic air layers, to which vermiculite owes its light weight and excellent insulation properties. Vermiculite insulation looks like pebbles and typically is greyish-brown or silvery-gold. I found a couple of paper bags in the attic today with the name Micafil. Pinchin. Vermiculite was first identified in 1881 in a mine near Libby,. Prior to its. such as loose packing and rope and gasket packing materials used to seal pipe penetrations between building areas. Since spray-on asbestos. Melting Point:- 1330°C. Among its popular uses were for wall and attic insulation in homes. Vermiculite insulation may contain asbestos, which is known to cause cancer. even more if vermiculite had fallen into wall spaces (e. Vermiculite insulation is easy to identify by visual inspection, as it is a granular, loose-fill pour-in insulation. There are two options for collecting a sample: 1. Call Us: (630) 629-6600. The 37BVMB is a masonry block fill vermiculite that has a granular material which provides loose fill masonry insulation. If your home was constructed after their closing date, it reduces the. Vermiculite is a volcanic mineral that is fire-resistant and has strong insulation properties. £40. S. In May 2003, EPA released information indicating that vermiculite contaminated with traces, less than 1% asbestos, is of significant concern. The discovery of blown cellulose and fiberglass insulation made vermiculite obsolete but it was still widely used in the transition phase. Asbestos Packing materials. Opens in a new window or tab. Airborne asbestos fibers present a health risk through inhalation, so the first step is to not disturb the material, which could release fibers into the air. We provide exfoliated vermiculite from Micafil, the UK’s leading manufacturer. 3. Was purchased from the seller who was and still is a realestate agent. Protect Your Family from Asbestos-Contaminated Vermiculite Insulation . Vermiculite insulation; Zonolite insulation; Numerous asbestos companies manufactured and distributed the above products. OTS has long been concerned about human exposure to asbestos. from 1919 to 1990. Older homes (built prior to 1990) have insulation that can contain anywhere from 15 % asbestos to 100% asbestos. These questions & answers about Mica-Fil, a Munn & Steele Vermiculite Insulation product and its asbestos content were posted originally at MUNN & STEEL & MICA-FIL VERMICULITE BUILDING INSULATION - be sure to see that article. Attic and wall insulation produced using vermiculite ore, particularly ore that originated from a Libby, Montana mine and sold under the name "Zonolite Attic Insulation" may contain asbestos fibers. Asbestos Insulation. 43 Inc VAT. The four most common types of insulation are blanket, block, loose-fill, and spray-on: Blanket Insulation — Usually either in the form of batts (pre-cut sections) or large rolls, blanket insulation generally looks like a big, cotton-like blanket. 4. 926992105. The EPA recommends that vermiculite insulation be left undisturbed. It comes in small pellets, such as those used for wood stoves. Close this search box. What is vermiculite? Vermiculite is a mineral that expands when rapidly heated. The medium is considered safe for commercial and personal use. Homeowner Information. So broad was the product’s reach, it’s believed that an estimated 824 cubic metres. However, it is very simple to analyse vermiculite for asbestos contamination. While the homeowners noted that neighbors up the road had just renovated a home similar in style and vintage to theirs and didn’t have an asbestos abatement, our clients quickly came to appreciate the steps we took to bring Lucas on. W. Look at the photos on this website and then look at the insulation without. It can also be used for a number of other things such as insulation in lofts or between floors base for gas coal fires and garden bedding and potting. It is made from aluminium-iron-magnesium-silicates and consists of thin, flat flakes. Micafil is typically used for chimney flue linings. came from a mine near Libby, Montana, that contained a deposit of asbestos which contaminated the vermiculite. There is some relief out there for vermiculite abatement when it can be tested and found to be. This fill consists of thick flakes, making it ideal for containers of liquids where spillage and leaks. We also do not recommend opening walls, ceilings, or floors to look for vermiculite insulation. Garage roofing is one of the most common places that homeowners find asbestos and can be expensive to remove. Vermiculite clays are weathered micas in which the potassium ions between the molecular sheets are. 5 – 3 mm 100 Kg/m 3The cost to remove insulation with asbestos in it can cost anywhere from $800 to $15,000. Currently, inspectors must send samples to off-site laboratories before. Even though there's loads, I've just ordered a second bag as I've used up the first one. co. Vermiculite is a silver-gold to grey-brown mineral. Leave vermiculite insulation undisturbed in your attic or in your walls. It is applicable for the construction sector. Randolph. Risks of asbestos4trade foil tape 50mm x 45m. The expanded vermiculite is a light-weight, fire-resistant, and odorless material and has been used in numerous products, including insulation for. 1 The Mi Flues Screw-FIX Insulation Back Filler is a new concept to make the job of back filling your chimney with vermiculite as easy as possible when using a. Nearly all vermiculite contains asbestos, which can cause lung cancer when inhaled. On 2019-05-31 by (mod) - Thanks for the interesting comment. Very happy with the product. Ask Your Own Canada Law Question. Here are some signs to look for that indicate your loose-fill insulation may be contaminated with asbestos: Your house was constructed prior to 1990. Disturbing vermiculite with less. nearly an inch long. Vermiculite has a high cation-exchange capacity (CEC) at 100–150 meq /100 g. Another study found that, among houses with vermiculite attic insulation, only 26% had detectable levels of amphibole asbestos in their living spaces. 6 out of 5. These panels contain. Pure vermiculite is not dangerous. Thanks for submitting! Vermiculite Insulation Removal - Remediation Services Company in Winnipeg, MB. Vermiculite / Micafil is a highly versatile product. doi: 10. S. tested for $100 for 5 day turnaround, or $200 for 24 hour turnaround at. Although not all vermiculites are contaminated by asbestos, there is a big possibility of real danger if it is sourced from the mine in Libby, Montana. vermiculite at the lower portions (as asbestos settles to the bottom) - The cost for remediation is anywhere from $6,000 to $15,000, and possibly. Click & CollectAvailable for collection. Zonolite Insulation is the trademarked name of a product mined in Libby, MT, and sold as attic insulation between the 1940's and mid-1980's. 2. Give us enough sample to work with. Location. Guide to using Micafil Vermiculite for Loft Insulation - Dupre Minerals EN English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian český русский български العربية Unknown Asbestos vermiculite is a type of insulation made from asbestos fibers that are mixed with a water-miscible binder. It is vermiculite insulation. Vermiculite from Libby, Montana was used in the majority of vermiculite insulation in the U. If you remove or disturb the insulation, it is. Micafil Vermiculite Loose Fill Insulation (100ltr) is one of the simplest and most reliable solutions for fireproof chimney backfill and thermal insulation in cramped, awkward areas. Which is false. Image #2 (below) shows the fibers of the chrysotile type, which makes up about 90% of all commercially available asbestos. Efficient Vermiculite Backfill Insulation is an efficient heat insulator that can be used to pour back down the chimney filling the void between the brick chimney and the flexible flue liner. Some vermiculite produced at Libby Mine in Montana from the 1920s until 1990, sold primarily under the brand name Zonolite®, has been found to contain asbestos. Other common uses are as thermal and sound insulation, construction material, insulation material, and for lightweight, absorbent packaging material. 1987;. Micafil AG. We do not recommend you take samples of the loft insulation. Micafil Vermiculite is free flowing and easy to install, it is ideal for thermal and acoustic insulation in lofts, between floors, interior cavity walls and for pipe protection. Hello! I found on the attic of my 1956 house a few bags from old insulation Micafil vermiculite. g. Wet-applied and pre-formed. There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) being composed of many microscopic "fibrils" that can be released into the atmosphere by. Multi-purpose. It’s dangerous to install cellulose insulation on top of the vermiculite. There are many types of insulation Asbestos or vermiculite insulation, including loose-fill, insulation wrappings for pipes and plumbing, Asbestos insulating board, spray-on insulation and more. Can I take vermiculite insulation out myself? Federal asbestos regulations do not apply to work that you perform in your own home, but the EPA strongly recommends that you not attempt to remove vermiculite insulation yourself. We have observed that depending on the mine from which it originates, and the process used to expand the vermiculite particles, vermiculite may vary in appearance and shininess. Contact your local health department for more information. 2. A benefit of vermiculite compared to other insulation substances is that it can be poured into small or difficult areas that other insulation cannot reach. However, due to limitations in the methods even trained technicians cannot. from exposure to asbestos. The particles of insulation have a particular color. Asbestosis – This chronic condition aggravates lung tissues and creates scarring. Known as Micafil, expanded vermiculite is a 100% natural material that can be used for void fill. What is vermiculite loose fill? Vermiculite is a 100% natural material that can be used for void fill. from exposure to asbestos. More than 70% of vermiculite sold in the U. As a result, vermiculite that had been. The mine was closed in 1990. Vermiculite is best used for water-loving plants that need their soil to stay moist at all times. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. In general, vermiculite insulation is only dangerous when it is exposed. Older buildings and homes may have asbestos within products from hot water piping insulation to furnace insulation, even. £25. We've used the loft for years for storing toys, christmas stuff and general tat. , Glass wool, batts, blankets,. Call Today for Testing and Removal Services 1-833-367-7354. Share. The home inspector got it tested and it came back composed of cellulose and non fibrous materials, no. There is limited evidence that asbestos exposure. Sample collection of vermiculite should be done by a professional. 2. Airborne asbestos fibers present a health risk through inhalation, so the first step is to not disturb the material, which could release fibers into the air. during the 20th century was contaminated with asbestos. It is typically light gray or yellow and has a crumbly texture. Written by Tara Strand on May 4, 2018. Vermiculite is a naturally occurring mineral compound that is often used as an insulation material. If your home was built before the 1990s and contains this texture and color. Although the Libby. Asbestos may still be found in many different building materials and products, regardless of their age. Vermiculite Insulation. Micafil Chimney Insulation Specs. Other constituent analysis are used to determine if the vermiculite is consistent with Zonolite. Features and Benefits: Vermiculite is irritant free, ultra lightweight, non-toxic, odour free and fire proof up to 1300. Vermiculite is a member of the phyllosilicate group of minerals, resembling mica in appearance, and is a hydrous phyllosilicate mineral that undergoes significant expansion when heated. You can remove it yourself. 2. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. In addition to the potential for asbestos to be present in vermiculite, a number of people regularly ask me about asbestos siding. These panels contain ‘puffed’ pockets of air that give them a textured look known as ‘popcorn ceilings’. mesothelioma, a rare form of cancer that is found in the thin lining of the lung, chest and the abdomen and heart. First things first: while loose-fill insulation is. If you have vermiculite insulation in your home, you should assume this material may be contaminated with asbestos and be aware of steps you can take to protect yourself and your family from exposure to asbestos. Vermiculite is an insulating and fire-resistant mineral found in many homes built between 1930 and 1990. Other common uses are as thermal and sound insulation, construction material, insulation material, and for lightweight, absorbent packaging material. Being with features like lightweight, fireproof, and absorbent, it is the ideal loose fill void packing and cushioning material suitable for many packaging needs, especially for transporting dangerous and fragile goods due to its high. Asbestos has never been detected in Micafil vermiculite. If you must remove any asbestos-containing vermiculite from your home, you should hire a licensed asbestos contractor. Texture: Asbestos-containing insulation was typically heat. However, nearly 80% of the world’s vermiculite supply came from the asbestos-contaminated Libby, Montana mine. You can also call 608-261-6876 or visit our Asbestos Program page for a list of state-certified contractors and consultants. But don’t worry about inspecting it closely—if you suspect it’s vermiculite, back away gently without disturbing it. It also enables you to keep the interior cool. From 1924 -1990, most of the world’s supply of raw vermiculite ore came from Libby, Montana. S. If vermiculite insulation is confined and not exposed to the actively used spaces of the building, it poses very little risk. Asbestos is the name for a group of minerals that occur naturally in the ground. Vermiculite from the Libby mine in Montana, USA is known to contain high levels of amphibolic asbestos. , Vermiculite Newark, NJ Mico Mineral Insulation Co. and they sold me "Micafil" brand block fill vermiculite. What you can do to reduce your exposure to asbestos. Airborne asbestos fibers present a health. If you decide to remove vermiculite insulation from your attic, have it done by a professional who has the required equipment necessary to capture asbestos and vermiculite dust and debris fibres. 5–0. S. When vermiculite is heated to very high temperatures, it expands into long strands resembling small worms. Ripping away old asbestos insulation from around a hot water tank. Vermiculite Micafil with its free flowing properties of loose-fill, make it an excellent insulation for lofts. Asbestos has never been detected in Micafil vermiculite. Shown (from Rosato) is a U. It is made from mineral material. Vermiculite Product. It was heat-treated to create fire-resistant ceiling and insulation panels. Currently, inspectors must send samples to off-site laboratories before making. Selikoff. Inhalation of asbestos can cause lung problems. Typical vermiculite insulation . Vermiculite insulation looks like pebbles and typically is grayish-brown or silvery-gold. Question: worried sick after our home inspector tested our "vermiculite insulation" for asbestos - lab said it was cellulose. Is there any way besides getting a lab test done, to know if it contains asbestos? The bags are old and I took a picture of them before burning them. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. Different sizes of vermiculite particles . nearly an inch long. If asbestos-containing materials need to be removed, Call Clean Cut Abatement Now at (800)975-1697. , most vermiculite insulation containing asbestos was sourced from a mine near. There is an accordion-style texture to the particles. during the 20th century was contaminated with. The EPA (Environmental Protection Agency) recommends that if you have vermiculite, it’s best to assume it contains asbestos and leave it alone. What is the coverage area for 100L of Micafil vermiculite spread to a depth of 200mm as loft insulation? What is the coverage area for 100L of Micafil vermiculite spread to a depth of 200mm as loft insulation? 100 litres of micafil at 200mm will cover 0. 30m2 to a depth of 100mm. Specifically designed for lithium-ion battery fires, AVDfire delivers superior performance to extinguish flames and minimise damage. The Trust is expected to operate for a minimum of 20 years. Airborne asbestos Last published: May 11,. If youre not sure whether or not you need to remove insulation due to asbestos, you should get in touch with an inspector to determine if removal is necessary. Sprayed-on application of materials containing more than 1% asbestos to buildings, structures, pipes, and conduits unless the material is encapsulated with a bituminous or resinous binder during spraying and the materials are not friable after drying. The majority of all vermiculite insulation produced before 1990 used contaminated vermiculite from Libby. , potting mixes and soilAsbestos crystals are heavier than Vermiculite flakes. In this article series we also give the history of the Libby vermiculite mine, its purchase by WR Grace Corporation, the asbestos-related bankruptcy filing, asbestos abatement cost claims & filings & the current ZAI settlement trust that may assist building tenants or owners with vermiculite removal costs. The mine became inactive in 1990, so vermiculite loose-fill. Grace, was responsible for 80% of the world’s vermiculite, and vermiculite attic insulation could be purchased locally and installed. Asbestos occurs in six mineral types, and all have fibers that are harmful to lung tissue, getting embedded in lung tissue and causing inflammation, scarring, and eventually tumors. To help combat the cost of removal, the Zonolite Attic Insulation Trust was founded in 2014. That’s good news, because most Zonolite, a type of vermiculite insulation, falls into that category. If you have vermiculite insulation in your home, you should assume this material may be contaminated with asbestos and be aware of steps you can take to protect yourself and your family from exposure to asbestos. The best way to minimize asbestos exposure from vermiculite is to NOT remove or disturb the insulation. The Vermiculite is then poured in before the gap between the pot, and the liner is filled with a sand and cement mix. However, some vermiculite insulation can contain asbestos fibres. R. These companies may be found liable for individuals’ asbestos exposure and resulting related diseases. Micafil Vermiculite Specification: Material – Mineral (90%…EPA recommends that vermiculite insulation be left undisturbed. The insulation lays flat – Zonolite lays flat and firm in the joist cavity, as opposed to loose-fill fiberglass, which tends to fluff up. The insulation is delivered in light, 100 Litre bags which are easy to handle, even on a ladder or in a cramped loft space. Based on just-released data from a study conducted 2 years ago in six Vermont homes with vermiculite insulation, EPA reports that “the asbestos content of the vermiculite was as high as 2. Once inhaled, most asbestos remains in the lungs. This is the hard, wavy-surfaced siding that was especially popular in. uk. Any ideas? Vermiculite is a 2:1 clay, meaning it has two tetrahedral sheets for every one octahedral sheet. Modern vermiculite insulation will not contain asbestos, and is considered a safe product for use around buildings. With time, asbestos sinks to the bottom of the insulation layer. g. Alternatively, the inside chimney method is suitable for Vermiculite insulation. Asbestos insulating boards are not as dangerous as some other asbestos insulation products but still pose a real threat to safety. Concerns about Asbestos-contaminated Vermiculite Insulation. In a different study, 29% of homes with vermiculite had very low levels of detectable Libby amphibole, similar to normal outdoor background concentrations. In fact, it is thought that most mesotheliomas are due to asbestos exposure ( 9 ). Asbestos deposits Geology. hire a professional to test for asbestos before renovating or remodelling. CARA is a ready-to-use, air-drying refractory adhesive. The following photographs show typical vermiculite insulation. A large portion of all vermiculite used in the United States was mined in Libby,. Also used for chimney flue lining.