It has been used as a housing insulation since 1940, and still is used in many parts of the world. Selikoff. When the temperature reaches 900 degrees Celsius, the flakes expand. The discovery of blown cellulose and fiberglass insulation made vermiculite obsolete but it was still widely used in the transition phase. 1998 became a member of the ABB group. Click & CollectAvailable for collection. from exposure to asbestos. Texture: Asbestos-containing insulation was typically heat. On 2019-05-31 by (mod) - Thanks for the interesting comment. The degree of damage asbestos may cause depends on the amount of asbestos inhaled and the duration of exposure. There is no known safe level of asbestos exposure. from 1919 to 1990 came from a mine near Libby, Montana which contained asbestos deposits. It developed the world’s first RIP bushings. Reply: most mineral wool insulation does not contain asbestos but there is at least one known exception from an Alabama manufacturer. Thermal Resistance: R Value: 16. Vermiculite has a high cation-exchange capacity (CEC) at 100–150 meq /100 g. However asbestos-containing vermiculite insulation has been found in the Spokane area, Nolan says. 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. Vermiculite is a natural product that by itself is fireproof, lightweight and odorless. Scientists with the United States Geology Survey (USGS) have created a hand-held spectrometer to determine if vermiculite insulation contains deadly. The Process: 1. TYPICAL PROPERTIES 1 based on primary vermiculite source Grade Nominal Particle Size / mm Loose Bulk Density / kg m-3 Large Grade (Micafil) 2 – 15 85 Micafil Munn and Steele, Inc. Zonolite was a common brand-name of vermiculite insulation found in thousands of homes throughout the United States. Asbestos Waste Solutions provide comprehensive asbestos waste disposal solutions to asbestos removals companies, building contractors and the general public. 5 lists the properties of vermiculite and some of the common smectite minerals found in nature. October 4, 2023. Find out more about Asbestos Removal. 1998 became a member of the ABB group. Size: 100L Bag. , pipe lagging, sprayed-on fireproofing) may be assumed to be less than 1% if the vermiculite constitutes less than 10% of the total material. As an example, if you spent $3,000 for vermiculite removal and $1,800 for reinsulation you are potentially eligible for a $2,640. This type of insulation can be used in 2 different ways, as loose-fill or as blown-in insulation. Bag Size:- 100 Litres. Only a trained technician using a microscope can see asbestos fibers. Low levels of asbestos fibers are present in the air, water, and soil. It was first described in Massachusetts early in the 19th century and was named for the Latin word vermiculare, “meaning to breed worms” because of the exfoliation process that occurs when it is heated. Vermiculite is best used for water-loving plants that need their soil to stay moist at all times. Prior to its. 2. So broad was the product’s reach, it’s believed that an estimated 824 cubic metres. Exfoliated Vermiculite is used in the friction brake linings market, high-temperature insulation, loft insulation, various construction products, animal feeds, horticulture and many other industrial applications. Zonolite Insulation. Thanks for the assurance, I was just worried because the hole in the ceiling was left opened for almost a week so im not sure how much exposure I reallh got. Vermiculite Micafil Loft Insulation. Vermiculite is a naturally occurring mineral that was used as a household insulation product from 1940 to the 1990s. exposure data for asbestos in vermiculite, and estimates asbestos exposures to workers and consumers who come into contact with asbestos-contaminated vermicul~te. It comes in small pellets, such as those used for wood stoves. Moving the vermiculite will cause fibres to become airborne. PACKAGING AND STORAGEPACKAGING AND STORAG EEE Exfoliated vermiculite is supplied in bulk bags or ~100 litre pre-packed plastic bags. Since there is. Opens in a new window or tab. Environmental Protection Agency (EPA) Summary Statement A U. Probably the most dangerous asbestos-containing material. Vermiculite Origins, Uses & Identification. The first vermiculite mining effort on record was in Colorado in 1915, but it didn’t stay open for long. Nominal Size (mm):- 2-15. It can be a grayish-brown or a silvery-gold in color. Known as Micafil, expanded vermiculite is a 100% natural material that can be used for void fill. It is not always necessary to remove the asbestos from the workplace or home. Guide to using Micafil Vermiculite for Loft Insulation - Dupre Minerals. More recently, Larson et al. Vermiculite is actually a naturally occurring mineral; it is simple to handle, absorbs sound, resists decay, is. Vermiculite is a silver-gold to grey-brown mineral. Guide to using Micafil Vermiculite for Loft Insulation - Dupre Minerals. Traditional "clicker presses" are great for larger quantity jobs and have been the standard in the industry for years. 31 (ex. 5 – 3 mm 100 Kg/m 3Spray-applied surfacing asbestos-containing material. occurrences of asbestos in vermiculite deposits such as those in Montana that were closed some years ago • Asbestos is the name given to a number of naturally occurring fibrous silicate minerals that have been exploited for their useful properties such as thermal insulation, chemical and thermal stability, and high tensile strength. Vermiculite Product. This Dupre Vermiculite loose-fill insulation is a highly absorbent protector suitable for packaging, chimney lining, loft insulation and high-temperature insulation. This lightweight product creates a protective fill when placed into block core cavities. It’s generally silver-gold or brownish-grey and looks like a. 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. I found a couple of paper bags in the attic today with the name Micafil. You can have it tested for asbestos, but here’s the rub. 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. However, it is very simple to analyse vermiculite for asbestos contamination. Vermiculite insulation is easy to identify by visual inspection, as it is a granular, loose-fill pour-in insulation. Asbestos has never been detected in Micafil vermiculite. Not all vermiculite products contain asbestos. The EPA recommends that vermiculite insulation be left undisturbed. If you disturb the insulation, you may inhale some asbestos fibers. When heated, it can expand to a much larger size than its natural form. Worryingly, other commonly building materials have been found to contain asbestos. Vermiculite and asbestos. Found vermiculite (asbestos) under attic floor boards on top of plaster ceilings while investigating before doing renovations. Horticultural Vermiculite. 3–2. I recently bought a 1940s house which upon inspection was suspected to have vermiculita in a small area of the attic. If you remove or disturb the insulation, it is. The insulation lays flat – Zonolite lays flat and firm in the joist cavity, as opposed to loose-fill fiberglass, which tends to fluff up. . Concerns about Asbestos-contaminated Vermiculite Insulation. 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. One of the major past sources of this vermiculite was commercially produced vermiculite insulation from Libby, Montana, containing trace levels of asbestiform amphibole, which is known to cause asbestos-related diseases. 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. Vermiculite insulation looks like pebbles and typically is greyish-brown or silvery-gold. Vermiculite is not a problem! Asbestos pollution of vermiculite is the problem. • Packaging. The recent innovation should provide a time-saving technique for commercial and home inspectors. Shop online with Click & Collect and next day delivery available. 3. This fill consists of thick flakes, making it ideal for containers of liquids where spillage and leaks may occur. Only a trained technician using a microscope can see asbestos fibers. Any ideas?Vermiculite is a 2:1 clay, meaning it has two tetrahedral sheets for every one octahedral sheet. Grace. Shown (from Rosato) is a U. S. These pages are to assist homeowners with issues such as where asbestos may be located in their homes, finding a licensed asbestos contractor to safely remove asbestos and the health effects of asbestos. The insulation is delivered in light, 100 Litre bags which are easy to handle, even on a ladder or in a cramped loft space. Ashbrook roofing for low prices and next day delivery available. Of concern is Zonolite, a product made from vermiculite which was used in many Canadian. Asbestos spray coating was a commonly used way to insulate a roof and sometimes the sides of buildings. However, a lawsuit in 2008 dictated. These companies may be found liable for individuals’ asbestos exposure and resulting related diseases. When heated to around 1000 degrees C, it pops (or puffs up), creating pockets of air. 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. co. This product is a premium-quality, coarse-grained vermiculite that we recommend highly as roof insulation when foam or earth. from 1919 to 1990 originated from the Libby mine, it is safe to assume that all vermiculite insulation found in buildings is toxic. Examples of products that might contain asbestos are: • fireproofing and insulation in buildings • insulation for pipes and boilers • roofing shingles and tarsResidential asbestos insulation is likely to be unsafe. Therefore, you must use safety gear before putting the insulation into bags. One of those products is home insulation. How are Mica-Fil or Munn & Steele vermiculite products identified, & what should be done about potential vermiculite-asbestos hazards ascribed to this vermiculite insulation?. This expanded form, and the fact that vermiculite does not burn, made the material suitable for use as loft insulation. The particles of insulation have a particular color. In a different study, 29% of homes with vermiculite had very low levels of detectable Libby amphibole, similar to normal outdoor background concentrations. F. Certain materials, including loor tiles and roof and siding shingles, are less likely to release ibers than pipe and boiler insulation if still inVermiculite has absolutely nothing in common with asbestos. 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. The one exception to this is vermiculite insulation, partially because there is money available to help homeowners with the costs of vermiculite insulation removal, and because the asbestos fibers in vermiculite can be released into the air just by looking at them wrong. In the 1920s, Zonolite began mining vermiculite in Libby, a city in Montana. Vermiculite is a natural mineral that is odorless, fire-resistant, and lightweight which makes it ideal for use in building materials. . This type of asbestos insulation can be seen in bigger warehouses or commercial buildings. 7 reviews. Pure vermiculite is not dangerous. We do not recommend you take samples of the loft insulation. Although this ecological study cannot directly link exposure to Libby vermiculite with asbestos-related disease, it suggests a need for additional studies in these areas. CARA is a ready-to-use, air-drying refractory adhesive. Other common uses are as thermal and sound insulation, construction material, insulation material, and for lightweight, absorbent packaging material. Since the Libby mine was estimated to be the source of over 70Removal of the vermiculite insulation may not be necessary if it is confined in a manner where it will be left undisturbed. You might see it between joists in the attic and other areas. nearly an inch long. Vermiculite Insulation Removal Costs. On 2019-05-31 by (mod) - Thanks for the interesting comment. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. This lightweight product creates a protective fill when placed into block core cavities. hire a professional to test for asbestos before renovating or remodelling. He states that is deception and claims we knew about it. The Vermiculite is then poured in before the gap between the pot, and the liner is filled with a sand and cement mix. The Environmental Protection Agency also includes information on its webpage about how to protect your family from asbestos-contaminated vermiculite insulation. Get Started. The EPA (Environmental Protection Agency) recommends that if you have vermiculite, it’s best to assume it contains asbestos and leave it alone. Skip to content. It makes great insulation with the special property that it is virtually fireproof. 3. Vermiculite is a naturally occurring mineral mined around the world and has been used for insulation and agricultural purposes. 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. Asbestos as loose-fill insulation looks like shredded cotton. CARA is a ready-to-use, air-drying refractory adhesive. Asbestos in vermiculite insulation looks like rocky gravel. As some of you may be aware, some homes have been insulated with vermiculite insulation, which potentially contains asbestos. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. Asbestos is most dangerous when inhaled or when it comes into contact with the skin. There is some relief out there for vermiculite abatement when it can be tested and found to be. Asbestos is a mineral fiber that can easily become airborne and causes serious lung diseases such as asbestosis, mesothelioma, and other types of lung cancer. Zonolite was a brand of vermiculite insulation that is contaminated with small quantities of asbestos. Typical vermiculite insulation . Testing of vermiculite insulation for the presence of asbestos fibers can be performed by specialty laboratories, however testing can be very expensive and may give false results depending on the methods used. 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. It is now known to be a carcinogen and should not be used in any type of construction. The EPA recommends that vermiculite insulation be left undisturbed. Tremolite is no longer mined and is responsible for many cases of asbestos-related cancer and asbestos diseases. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. For years, Zonolite was used in the insulation of homes throughout the United. If your home was constructed after their closing date, it reduces the. Vermiculite attic insulation is a pebble-like, pour-in product and is usually light-brown or gold in color. , closed in 1990, which had a natural deposit of asbestos. Vermiculite Boards. 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. The reason it often contains asbestos is because most vermiculite insulation in the U. Vermiculite Insulation. Even the much ballyhooed finding of an asbestos deposit next to ONE vermiculite mine failed to result in a single bag of vermiculite testing positive for asbestos. Vermiculite is an insulating and fire-resistant mineral found in many homes built between 1930 and 1990. 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. There will more than likely be asbestos in the attics, drywall. 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 insulation removal costs $4 to $10 per square foot. Currently, inspectors must send samples to off-site laboratories before. 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. 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 grayish-brown or silvery-gold. Vermiculite insulation looks like pebbles and typically is grayish-brown or silvery-gold. e. Zonolite is a loose-fill insulation brand commonly used to insulate attics. In its good years, the Libby mine accounted for more than 70% of. Did you find what you were looking for? Ask a Question. Precision Casting. This means that most of the vermiculite found today is also. Asbestos garage roof removal cost. Vermiculite, a durable silicate material, was sold for over 50 years in Australia before. and other countries including the USA, where use of asbestos-contaminated vermiculite insulation was widespread until the. Wet-Spray Cellulose - Used as the blown-in method, a fine mist of water is added to the hose that allows for better heat retention and better noise reduction. Loose-fill asbestos insulation is somewhat granular and fluffy in nature and it contains a very high percentage of asbestos. 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. In this release (“ National Consumer Awareness Campaign Launched on Vermiculite Insulation Used in Some Attics ”), the EPA states that “… home testing vermiculite in. 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. C $78. 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. This property also allows for high water. Among its popular uses were for wall and attic insulation in homes. Recent findings about vermiculite ore contaminated with tremolite asbestos. Made from aluminium-iron-magnesium silicates, it is a natural mineral used for void filling. This loose-fill insulation makes vermiculite dangerous because the fibers can easily get through small cracks and into the home, making it difficult and time-consuming to remove effectively. Vermiculite insulation; Zonolite insulation; Numerous asbestos companies manufactured and distributed the above products. 2. • Loose Fill Insulation. 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. Asbestos is a raw mineral that is usually soft and flexible. The Wisconsin Occupational Health Lab (WOHL) provides homeowners and businesses testing for asbestos in a wide variety of material such as floor tiles, ceiling tiles, pipe insulation, shingles, and more. Vermiculite is a popular insulation material, but much of the vermiculite used in the U. C. However, the asbestos product may still be present. Share. Pre-Owned. Price of Micafil loft insulation. co. 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. It fixes the chimney liner at the top of the stack using plates and clamps. Ensure the contractor follows these procedures: Avoids spreading or tracking asbestos dust into other areas of your home. Asbestos fibres can be released into the air in homes when: Disturbing loose-fill vermiculite insulation which may contain asbestos. There were veins of asbestos in the mined ore that ended up in the final product, and it is estimated that between 3 million and 30 million. In general, vermiculite insulation is only dangerous when it is exposed. The mined vermiculite ore contained amphibole asbestos. 20460> [1] Thanks to Gary Randolph, Ounce of Prevention Home Inspection, LLC Buffalo, NY, for attentive reading and editing suggestions. W. 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. Because it is lightweight, odorless, and fire-resistant, it has been used in many different products. Vermiculite from Libby was. , 120 Carlton Street Suite 407, Toronto ON M5A 4K2. Other constituent analysis are used to determine if the vermiculite is consistent with Zonolite. tested for $100 for 5 day turnaround, or $200 for 24 hour turnaround at. These products commonly contained 15% asbestos to 100% asbestos. However, due to limitations in the methods even trained technicians cannot. If. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. In May 2003, EPA released information indicating that vermiculite contaminated with traces, less than 1% asbestos, is of significant concern. Removing deteriorating roofing shingles and siding containing asbestos, or tampering with roofing felt that contains asbestos. Sold in multi-litre bags, this insulation can be installed by both builders and homeowners and is. from 1919 to 1990. However, nearly 80% of the world’s vermiculite supply came from the asbestos-contaminated Libby, Montana mine. Close this search box. Vermiculite is a naturally occurring mineral compound that expands when heated. Suppose you are hired by a homeowner to install recessed lighting in a house, and discover that the attic has this type of insulation. The majority of homeowners need to be educated on the general danger of breathing and disturbing asbestos fiber. This insulation was used in millions of homes and businesses nationwide, and in over 50,000. Airborne asbestos fibers present a health. It contained minerals originating from the Libby Mine in Libby. Vermiculite itself has not been shown to pose health problems. Name – Vermiculite is sold as Zonolite. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. Look in your attic for loose-fill asbestos. I found a couple of paper bags in the attic today with the name Micafil. CARA has been formulated to work with Class A fire-resistant substrates and will not contribute to a fire…. Health related effects of high exposure are slow to develop these usually take at least 10 - 20 years. 1 milligrams per cubic meter, which is the lowest possible exposure. In general, vermiculite insulation is only dangerous when it is exposed. A. #1. It was once used to insulate crawlspaces (attics, attics with access doors, garrets, etc. 4. Asbestos My attic has vermiculite insulation in it. (Source: DSP Inspections) In the U. Likewise, numerous homes checked by the EPA proved NOT to have any asbestos in the vermiculite. beta 1316 glucan ~ Indeed just recently is being browsed by customers around us, probably among you. However, due to limitations in the methods even trained technicians cannot. . The problem is the asbestos, not vermiculite. Loose Vermiculite. 3–7. VAT) Excellent loose-fill thermal insulation material. Specifically designed for lithium-ion battery fires, AVDfire delivers superior performance to extinguish flames and minimise damage. The expanded vermiculite is a light-weight, fire-resistant, and odorless material and has been used in numerous products, including insulation for. Asbestos causes cancer and other diseases. It comes in small pellets, such as those used for wood stoves. On its web site, EPA has updated information about Vermiculite and its. Vermiculite insulation has a pebble-like appearance. In 2014, a trust fund was established with $3 billion to compensate victims. Asbestos fibers must be airborne to cause a health risk through inhalation, so the first step is not to disturb the material, which would release more fibers into the air. Our laboratory needs approximately 20-40 g of vermiculite (about the size. 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. Its colors can range from white to silver, green, brown, gold, and blue. 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. 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. 1006/rtph. The most common use of vermiculite insulation within a house is as a loft or attic insulation. What Is Vermiculite Asbestos Insulation? Vermiculite is a naturally-occurring mineral silver-gold to gray-brown in color and shiny in its natural state. g. Multi-purpose. Simons explained that much of the world's supply of vermiculite came from a mine near Libby, Mont. What is vermiculite? Vermiculite is a mineral that expands when rapidly heated. even more if vermiculite had fallen into wall spaces (e. Currently, inspectors must send samples to off-site laboratories before making. If you are removing Zonolite brand attic insulation from your home, the trust will cover up to 55% of the cost of removal. It will look like a rough layer of either white or gray paint. This attic insulation was typically gray-brown or silver-gold in color. Vermiculite is still sold today, mainly for agricultural and horticultural use. Estimated Delivery 3-5 Days (working days) View delivery info page. EXFOLIATED VERMICULITE DESCRIPTION This product is a grade of exfoliated vermiculite having a controlled particle size distribution. Buy the excellent Micafil Chimney Insulation at Nationwide Chimney Components, designed to be used to insulate the cold air void between a flue liner and chimney stack. Removal of vermiculite insulation can be costly and complicated; but in some cases, you may be able to leave the material in place with proper precautions. Asbestos in Vermiculite and Zonolite Insulation - Asbestos contamination in vermiculite and vermiculite products has become a concern to many citizens throughout the country. Vermiculite Void Fill Known as Micafil, expanded vermiculite is a 100% natural material that can be used for void fill. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. The cost to abatement vermiculite insulation is expensive. And we never charge for anything unless you receive money in your pocket. , most vermiculite insulation containing asbestos was sourced from a mine near. We've used the loft for years for storing toys, christmas stuff and general tat. Knick4lyfe • 3 yr. Regul Toxicol Pharmacol1995 Jun;21 (3):397-405. Libby is one of the largest asbestos contamination sites in the world, leading to vermiculite insulation contaminated with the mineral. 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. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. 13). 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 goal of this study was to determine if in situ near-infrared reflectance measurements, using portable spectrometers, could be used to reliably identify the source of vermiculite ore and therefore its potential to contain asbestos. Non-irritant and non-toxic, Micafil Vermiculite is a naturally occurring layered mineral, thermally expanded to produce highly aerated. diseases. 6 g/cm3 and a refractoriness of 1500–1600°C was produced from expanded vermiculite, and a technology for producing ceramic vermiculite. . If your home was built before the 1990s and contains this texture and color. However, nearly 80% of the world’s vermiculite supply came from the asbestos-contaminated Libby, Montana mine. This type of asbestos insulation can be seen in bigger warehouses or commercial buildings. Vermiculite Removal. Is my family at risk of exposure to asbestos if we have vermiculite insulation? Asbestos causes cancer and other diseases. Since spray-on asbestos. Which is false. The amount of asbestos in asbestos containing materials (ACM) varies from greater than 1% to 100%. Ex-Worker Wins $36. uk. Vermiculite insulation may contain asbestos, which is known to cause cancer. As a result, vermiculite insulation can cause health risks due to contamination with asbestos fibers. Also known as Micafil, it is sold in 100 litre (3. The Libby mine also had a natural deposit of asbestos, and the vermiculite from Libby is contaminated with asbestos. 2. Federal guidelines are weak. 70 ex VAT, Each. Like other asbestos in the amphibole family, tremolite has sharp fibers that can easily be inhaled or ingested. Also used for chimney flue lining. made asbestos-containing products and owned an asbestos-contaminated vermiculite mine in Libby, Montana. This is the hard, wavy-surfaced siding that was especially popular in. I would leave that research to Dr. The Fine “One Percent” Line. £21.