EN. Available in a range grades, our loose fill Micafil product can be used for packaging, insulation and in the smaller grades, utilised for forms of fire protection. Vermiculite is a silver-gold to grey-brown mineral. Therefore, you must use safety gear before putting the insulation into bags. It’s dangerous to perform any attic air sealing work until all of the vermiculite has been removed by a certified asbestos abatement contractor, at a cost ranging from $7,000 to $12,000. , Corkboard Detroit, MI Multicell Multicell Sales Corp. The 37BVMB is a masonry block fill vermiculite that has a granular material which provides loose fill masonry insulation. The work site should be visually free of dust and debris. Grace. £1,438. It is one of the best insulators available today and this is why it is commonly used in. This property also allows for high water. MICAFIL, founded in 1918 and based in Zurich, Switzerland, established itself as technology leader in bushings through its manufacture of traditional types such as OIP (Oil Impregnated Paper) and RBP (Resin Bonded Paper) and insulation components. The price of Micafil is approximately £20 per bag – and one bag of this will cover 1m2 to a depth of 100mm. Unprotected persons or workers who renovate, disturb vermiculate during . Livonia, Michigan. Vermiculite in its pure form is nontoxic. Most of the nation’s vermiculite up until 1990 came from the vermiculite mine in Libby,. Is vermiculite insulation a problem? Prior to 1990, much of the world's supply of vermiculite came from a mine near Libby, Montana. In case you do not know already, then Vermiculite Micafil is a great loose-fill thermal insulating material that is designed to reduce the loss of heat in cold weather. F. Price and other details may vary based on product size and colour. Written by Tara Strand on May 4, 2018. But don’t worry about inspecting it closely—if you suspect it’s vermiculite, back away gently without disturbing it. Asbestos fibers. Spray-On Asbestos Insulation. Among its popular uses were for wall and attic insulation in homes. EXFOLIATED VERMICULITE consists of accordion-like granules containing microscopic air layers, to which vermiculite owes its light weight and excellent insulation properties. These products commonly. 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. It was heat-treated to create fire-resistant ceiling and insulation panels. such as loose packing and rope and gasket packing materials used to seal pipe penetrations between building areas. 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. If the fluff resembles a snow drift, you likely don’t have any asbestos. Vermiculite is an insulation that comes in pellets ranging in colour from silver-gold to grey-brown. There is no known safe level of asbestos exposure. . If you disturb the insulation, you may inhale some asbestos fibers. Grace also was involved with asbestos mining. The Environmental Protection Agency notes that when vermiculate is heated, it expands into worm-like. If you’d like help with filing a claim, please get in touch by email at help@asbestosclaims. 13). Vermiculite is a silver-gold to grey-brown mineral. 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. com. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. In 2014, a trust fund was established with $3 billion to compensate victims. Asbestos as loose-fill insulation looks like shredded cotton. Testing the vermic by TEM analysis should have been their first step. and they sold me "Micafil" brand block fill vermiculite. Vermiculite from Libby was. According to Healthdirect Australia, exposure to asbestos may increase the risk of asbestosis, mesothelioma, lung cancer, pleural disease and other types of cancer. As well as being rich in vermiculite. Horticultural Vermiculite. Cellulose Insulation. To ensure that your sample is unbiased, try to reach the bottom of the insulation and take your samples from there. Vermiculite’s inner laminar layers allow it to expand up to 50% in volume which allows it to be highly aerated. Vermiculite Origins, Uses & Identification. With over 20 years of experience we have grown. Is vermiculite insulation a problem? potential to release asbestos fibers into the air. The degree of health risk depends on how much and how often this occurred. Asbestos vermiculite is a type of insulation made from asbestos fibers that are mixed with a water-miscible binder. The home inspector got it tested and it came back composed of cellulose and non fibrous materials, no. Services Required: (check all that apply) Vermiculite Testing. In case you do not know already, then Vermiculite Micafil is a great loose-fill thermal insulating material that is designed to reduce the loss of heat in cold weather. Vermiculite materials that are distributed under the brand Zonolite were discovered to contain Tremolite-Actinolite asbestos fibers. The Trust is expected to operate for a minimum of 20 years. Fortunately it will almost assuredly not be due to asbestos exposure. For the record, we at Structure Tech do not test for asbestos. Your question:Until 1990, most of the vermiculite sold in the U. It is vermiculite insulation. You are over thinking this. | | Organization (s): U. C $78. Vermiculite is a naturally occurring mineral that was used as a household insulation product from 1940 to the 1990s. Search. 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. While not all vermiculite produced before 1990 contains asbestos fibres, it is. Table 3. You’re probably wondering how asbestos crossed paths with vermiculite. Medium Grade 2 – 8 85 Insulation, Horticulture, Refractories, General purpose. Am I at risk? Should I take it out? 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. 6 g/cm3 and a refractoriness of 1500–1600°C was produced from expanded vermiculite, and a technology for producing ceramic vermiculite. Become a trained and accredited asbestos professional. It is very flexible and is often used in attics and walls or wrapped around pipes. 2. Eventually, the asbestos sunk close to the bottom of the insulation layer and concentrated along the floor. As a result, vermiculite that had been. Item Code: 487280161. It also has a decent R Value, around 2. 54. You might see it between joists in the attic and other areas. 800-723-3216. However, due to limitations in the methods even trained technicians cannot. 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. 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. Q: Is in-home asbestos always dangerous? A: No. Vermiculite is tested and found to contain asbestos. Asbestos has never been detected in Micafil vermiculite. If you disturb the insulation, you may inhale some asbestos fibers. Vermiculite Micafil Loft Insulation. Vermiculite is a naturally occurring mineral compound that expands when heated. The difference between cellulose versus asbestos insulation varies greatly, as one material is more natural than the other. Vermiculite masonry fill creates a barrier against moisture, heat, and sound. Vermiculite from Libby, Montana was used in the majority of vermiculite insulation in the U. Ask Your Own Canada Law Question. uk. We also do not recommend opening walls, ceilings, or floors to look for vermiculite insulation. Vermiculite Void Fill Packaging. Asbestos is only a health problem when its fibers become airborne, as can happen, for example, if an asbestos-containing popcorn ceiling begins to disintegrate. Large elasticity modulus. Consisting of the naturally occurring mineral vermiculite, Zonolite was used for decades to insulate millions of American homes. , B. S. Several years later, after it was installed in thousands of attics, it was found to contain. Other common uses are as thermal and sound insulation, construction material, insulation material, and for lightweight, absorbent packaging material. . 2. The reason it often contains asbestos is because most vermiculite insulation in the U. Other common uses are as thermal and sound insulation, construction material, insulation material, and for lightweight, absorbent packaging material. Typical vermiculite insulation Vermiculite insulation between attic joists Vermiculite insulation particle size relative to paper clip Different sizes of vermiculite particles 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 article series explains how to recognize vermiculite building insulation that may contain asbestos fibers. Asbestos was an obvious component to add to spray on insulation since it is fireproof and an excellent thermal insulator. For years, Zonolite was used in the insulation of homes throughout the United. Zonolite Insulation. Vermiculite is not asbestos and is a safe, highly versatile mineral used widely through the world in many products. 5 lists the properties of vermiculite and some of the common smectite minerals found in nature. The Environmental Protection Agency also includes information on its webpage about how to protect your family from asbestos-contaminated vermiculite insulation. Vermiculite, a durable silicate material, was sold for over 50 years in Australia before. Have owned home just over 20 years. A. 2. Extracted from the mine between 1920 and 1990, this vermiculite insulation was sold in large bags mainly, but not exclusively, under the trademark Zonolite® Attic Insulation. 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. Vermiculite Micafil with its free flowing properties of loose-fill, make it an excellent insulation for lofts. Most commonly, vermiculite was used for insulation in walls and attics across the nation. OTS became interested in asbestos-contaminated vermiculite as a result of itsThe Micafil Vermiculite Loose Fill Loft Insulation is a naturally occurring mineral expanded at a high temperature to produce aerated particles 90% air by volume. Found vermiculite (asbestos) under attic floor boards on top of plaster ceilings while investigating before doing renovations. Melting Point:- 1330°C. Guide to using Micafil Vermiculite for Loft Insulation - Dupre Minerals. Garage roofing is one of the most common places that homeowners find asbestos and can be expensive to remove. Contact Us. . 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. co. If vermiculite insulation is confined and not exposed to the actively used spaces of the building, it poses very little risk. It is made from mineral material. 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. Is vermiculite insulation a problem? potential to release asbestos fibers into the air. Also used for chimney flue lining. Known as Micafil, expanded vermiculite is a 100% natural material that can be used for void fill. Vermiculite Micafil is as an excellent thermal insulating material capable of withstanding temperatures in excess of 1000C. First things first: while loose-fill insulation is. S. The following photographs show typical vermiculite. Risks of asbestos4trade foil tape 50mm x 45m. Looking for Signs of Asbestos and Dealing with Vermiculite InsulationThree of the major health effects associated with asbestos exposure are: lung cancer. This type of asbestos insulation can be seen in bigger warehouses or commercial buildings. When heated to around 1000 degrees C, it pops (or puffs up), creating pockets of air. Vermiculite is lightweight, non-toxic and sterile and does not deteriorate over time. However, it is very simple to analyse vermiculite for asbestos contamination. Airborne asbestos Last published: May 11,. Price: £30 | Buy now from Buildingmaterials. The recent innovation should provide a time-saving technique for commercial and home inspectors. Avoid creating dust by keeping vermiculite damp during use. Vermiculite was first identified in 1881 in a mine near Libby,. Vermiculite clays are weathered micas in which the potassium ions between the molecular sheets are. 1006/rtph. 1054. , pipe lagging, sprayed-on fireproofing) may be assumed to be less than 1% if the vermiculite constitutes less than 10% of the total material. The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants. 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. I found a couple of paper bags in the attic today with the name Micafil. When it comes to cutting gaskets there are several ways to get the job done. This fill consists of thick flakes, making it ideal for containers of liquids where spillage and leaks may occur. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. I'm AHERA certified as a building inspector, NIOSH 582 qualified and have lead many asbestos abatement and identification projects. Guide to using Micafil Vermiculite for Loft Insulation - Dupre Minerals. Carry on browsing if. Vermiculite is a popular insulation material, but much of the vermiculite used in the U. Typical vermiculite insulation . 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. Vermiculite insulation per 1991 main source was mined in Montana which contained asbestos. The EPA defines an asbestos-containing material (ACM) as having greater than 1 percent asbestos. What it is: A lightweight, shiny mineral that resembles mica flakes. The pictures in the center of this pamphlet and on the cover show several samples of vermiculite attic insulation. Asbestos is most dangerous when inhaled or when it comes into contact with the skin. Prior to its. Scientists with the United States Geology Survey (USGS) have created a hand-held spectrometer to determine if vermiculite insulation contains deadly amphibole asbestos. S. It contained minerals originating from the Libby Mine in Libby. Features and Benefits: Vermiculite is irritant free, ultra lightweight, non-toxic, odour free and fire proof up to 1300. Give us enough sample to work with. Note: This method isn’t suitable if you’re adding Vermiculite insulation. Currently, inspectors must send samples to off-site laboratories before. Sold in multi-litre bags, this insulation can be installed by both builders and homeowners and is. A well-insulated attic is a perfect storage place, but it must be safe. If you are having work done in your attic or walls, pause the project immediately. from 1919 to 1990. It is a limited-expansion clay with a medium shrink–swell capacity. Nearly all vermiculite contains asbestos, which can cause lung cancer when inhaled. It can also be seen on ceilings, where it looks like a thick coating of cement. The majority of all vermiculite insulation pro-duced before 1990 used contaminated vermicu-lite from Libby. VAT) Excellent loose-fill thermal insulation material. 43 Inc VAT. The EPA (Environmental Protection Agency) recommends that if you have vermiculite, it’s best to assume it contains asbestos and leave it alone. Wet-applied and pre-formed. from exposure to asbestos. Vermiculite is resistant to rot and low cost, non-toxic and fireproof. Other constituent analysis are used to determine if the vermiculite is consistent with Zonolite. S. What you can do to reduce your exposure to asbestos. How can I tell if my vermiculite insulation contains asbestos? You should assume that vermiculite insulation is from Libby and treat the material as if it contained asbestos by not disturbing it or by using a trained professional if it needs to be removed. Also known as Micafil, it is sold in 100 litre (3. Layer structure and composition have much in common with mica group minerals (Fig. One of those products is home insulation. Have owned home just over 20 years. 20460> [1] Thanks to Gary Randolph, Ounce of Prevention Home Inspection, LLC Buffalo, NY, for attentive reading and editing suggestions. USEPA is gathering more information about vermiculite insulation and other products containing vermiculite. Asbestos fibers in vermiculite are too small to be seen by the naked eye. Asbestos is most dangerous when inhaled or when it comes into contact with the skin. I have read that it is one of the brands that are ok. The raw Libby ore was estimated to be 21–26% asbestos by weight; the mill feed was 3. Doing a one-time removal job is not going to hurt you. The insulation is delivered in light, 100 Litre bags which are easy to handle, even on a ladder or in a cramped loft space. Made from aluminium-iron-magnesium silicates, it is a natural mineral used for void filling. Vermiculite from the Libby mine in Montana, USA is known to contain high levels of amphibolic asbestos. Vermiculite also known as micafil is an excellent insulating material capable of withstanding temperatures in excess of 1000℃. Does Vermiculite Contain Asbestos? What is the Mixing Ratio to Mix Vermiculite with Cement? What are the Insulation Properties of Micafil Volume Calculator Downloads. Once inhaled, most asbestos remains in the lungs. Brand New. See the information on Sampling and Testing for more information. The EPA asbestos web site contains general information on asbestos sources, exposure and health effects, what to do if you suspect asbestos, training, and laws and regulations. Attic insulation produced using vermiculite ore, particularly ore that originated from the Libby. 1 Types of Asbestos Asbestos is a general term used to describe 6 different types of commercially usedVermiculite is a mineral used in a number of consumer products, including home insulation. Removing deteriorating roofing shingles and siding containing asbestos, or tampering with roofing felt that contains asbestos. Vermiculite is an insulating and fire-resistant mineral found in many homes built between 1930 and 1990. Textile Coatings. Skip to content. Grace, was responsible for 80% of the world’s vermiculite, and vermiculite attic insulation could be purchased locally and installed. These products can cause health risks if disturbed during maintenance, renovation. Although the mine was shut down many years ago. Asbestos can be found in many forms. CARA is a ready-to-use, air-drying refractory adhesive. Get Started. Its nominal particle size is between 2 -15mm. However, that is not to say it cannot contain. 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. Price of Micafil loft insulation. ZONOLITE INSULATION; In the U. As an example, if you spent $3,000 for vermiculite removal and $1,800 for reinsulation you are potentially eligible for a $2,640. These panels contain. This insulation was used in millions of homes and businesses nationwide, and in over 50,000. R. , potting mixes and soilAsbestos crystals are heavier than Vermiculite flakes. 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. Inhalation of asbestos can cause lung problems. It comes in small pellets, such as those used for wood stoves. Vermiculite is best used for water-loving plants that need their soil to stay moist at all times. Zonolite was a common brand-name of vermiculite insulation found in thousands of homes throughout the United States. Your chances of developing Mesothelioma from a brief exposure to vermiculite are minimal. 3. Add $1 to $4 per square foot for the cost to add new attic insulation after removing the asbestos from the attic. Of concern is Zonolite, a product made from vermiculite which was used in many Canadian. Wear a respirator and shower/wash clothes right after doing the job. Was purchased from the seller who was and still is a realestate agent. Vermiculite insulation is probably not a large concern, but only as long as it stays undisturbed in the attic. 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. If you disturb the insulation, you may inhale some asbestos fibers. For more information, contact The Vermiculite. Selikoff. I recently bought a 1940s house which upon inspection was suspected to have vermiculita in a small area of the attic. Asbestos types are recognized in six forms of asbestos, including chrysotile, crocidolite, amosite, anthophyllite, tremolite, and actinolite. The Vermiculite is then poured in before the gap between the pot, and the liner is filled with a sand and. EXFOLIATED VERMICULITE consists of accordion-like granules containing microscopic air layers, to which vermiculite owes its light weight and excellent insulation properties. 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. Contribute to dinglei2022/en development by creating an account on GitHub. 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. These panels contain ‘puffed’ pockets of air that give them a textured look known as ‘popcorn ceilings’. • Lightweight Concrete. EN. However, due to limitations in the methods even trained technicians cannot. #1. Vermiculite Void Fill. This procedure DOES NOT test for asbestos content. A member of the phyllosilicate group of minerals, it resembles mica in appearance. uk. e. £21. This Dupre Vermiculite loose-fill insulation is a highly absorbent protector suitable for packaging, chimney lining, loft insulation and high-temperature insulation. S. Vermiculite insulation particle Typical vermiculite insulation . Vermiculite is used in some potting soil for plant growth, and it appears as bright gold or silver flakes. Vermiculite Insulation. Avoid unnecessary removal of harmless vermiculite insulation: if your vermiculite insulation does not contain asbestos it does not need to be removed. The biggest concern for asbestos in attics is vermiculite insulation. Check the underside of your roof for a white or gray rough coating. 19 Ex VAT £25. Since there is. When heated, it can expand to a much larger size than its natural form. The Health Risks Of Vermiculite Containing Amphibole Asbestos Although the overall percentages of. 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 absorbency and resistance to chemicals. , vermiculite insulation, vermiculite block fill) must be treated as asbestos-containing material, regardless of its asbestos content. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. Before its partial ban in 1989, asbestos was used in products like insulation, electrical panels, and brake pads. Unfortunately, the mine also contained asbestos that contaminated the vermiculite. Vermiculite: a review of the mineralogy and health effects of vermiculite exploitation. 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. Moving the vermiculite will cause fibres to become airborne. 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. were deferred due to the presence of vermiculite insulation. The only way to know the amount of asbestos in a material is to have it tested. Average asbestos garage roof removal cost: £1,650. 37. 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. Vermiculite is a mineral that was once all the rage in building insulation. Replacing wall insulation costs $1 to $5 per square foot. Micafil Vermiculite Specification: Material – Mineral (90%…EPA recommends that vermiculite insulation be left undisturbed. I went to my local building supply looking for vermiculite to use as loose insulation over the ceramic fiber blanket I had wrapped around my oven. exposure data for asbestos in vermiculite, and estimates asbestos exposures to workers and consumers who come into contact with asbestos-contaminated vermicul~te. He states that is deception and claims we knew about it. The first vermiculite mining effort on record was in Colorado in 1915, but it didn’t stay open for long. 2. Further information on the EPA’s position on Vermiculite and special rebates and grants can be found on the links above. It can be a grayish-brown or a silvery-gold in color. Most of the vermiculite attic insulation produced until the mid 1980s was sold under the brand name Zonolite. It has a neutral pH. It fixes the chimney liner at the top of the stack using plates and clamps. This ore is now known to contain a group of mineral fibers called “Libby Asbestos. For more information call us on +44 (0) 1782 383000. We provide exfoliated vermiculite from Micafil, the UK’s leading manufacturer. 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. Hello! I found on the attic of my 1956 house a few bags from old insulation Micafil vermiculite. It is made from mineral material. It is vermiculite insulation. S. More than 70% of vermiculite sold in the U. even more if vermiculite had fallen into wall spaces (e. diseases. 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. On its web site, EPA has updated information about Vermiculite and its. Alternatively, the inside chimney method is suitable for Vermiculite insulation. Vermiculite is used in some potting soil for plant growth, and it appears as bright gold or silver flakes. S. Vermiculite has a high cation-exchange capacity (CEC) at 100–150 meq /100 g. The Vermiculite is then poured in before the gap between the pot, and the liner is filled with a sand and cement mix. read moreMicafil Vermiculite Model: Vermiculite Vermiculite is most commonly used for insulation and protection for solid flue liner pipe protection. Asbestos has never been detected in Micafil vermiculite. Asbestos in the air can be inhaled and cause lung damage. 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. Mr. 15. Yes. While no longer produced, as many as 35 million U. Vermiculite insulation may contain asbestos, which is known to cause cancer. The best way to minimize your risk of amphibole asbestos exposure is to avoid disturbing vermiculite-based. S. When these tiny fibers become airborne, they can be inhaled into the lungs, where they might eventually cause asbestosis, lung cancer, and even the deadly asbestos cancer mesothelioma. The amount of asbestos in asbestos containing materials (ACM) varies from greater than 1% to 100%. Asbestos Encapsulation Costs. The mine became inactive in 1990, so vermiculite loose-fill. R. Graduated from University of Central Florida (Ph. A variety of regulations are in place that should prevent inadvertent exposure to asbestos in vermiculites, but great care is needed if true asbestos hazards are to be. This lightweight product creates a protective fill when placed into block core cavities. Expanded vermiculite is used in construction and consumer materials (e. Vermiculite insulation looks like pebbles and typically is grayish-brown or silvery-gold. If you must remove any asbestos-containing vermiculite from your home, you should hire a licensed asbestos contractor. The method developed can be used to determine vermiculite insulation's source and estimate its potential. Products made from vermiculite ore produced by the Libby Mine were not. What are the Insulation Properties of Micafil. Very simple to install poured straight from the bag.