Many types of asbestos insulation, including loose-fill, pipe wrap and spray-on, were friable and easily released asbestos fibers. Grace & CoBlocks. Grace made dozens of products containing asbestos-tainted vermiculite. $199. Foamular 350 XPS Insulation; Foamular 400 XPS Insulation; Foamular 600 High Density XPS Insulation; Foamular C-200 XPS Insulation (Formerly Celfort 200) Foamular C-300 XPS Insulation (Formerly Celfort 300) Plasti-Fab EPS. ) in 1963. by Zonolite Co. R-21 Attic Wall Unfaced Reflective Roll Insulation 33. Product Name: Zonolite ® Masonry Insulation MSDS Number: Z-01713 Cancelled MSDS Number: Z-01695 MSDS Date: 10/31/2007 Chemical Family Name: Expanded. Please send me Zonolite Masonry Fill Insulation folder which contains complete technical data. Edmonton. Vermiculite is a mica – like mineral that is heated to about 700 °C during processing. From 1924 -1990, most of the world’s supply of raw vermiculite ore came from Libby, Montana. The insulation product has very low or trace levels of asbestos (less than 1%). Zonolite; Vermiculite; Perlite; 4 Cubic Foot Per Bag (30 bags per pallet) Insulation - Masonry Fill. Estimated to be installed in several million homes and other properties, "Zonolite" products (Libby-vermiculite) are assumed contaminated with amphibole asbestos and should not be disturbed without proper training and work practices. 1-800-596-8666. Insulation Joint reinforcement Weeps at 16 in. 11 m3) bags, is lightweight, free flowing, inorganic vermiculite, specially treated for water repellency. The expanded vermiculite is a light-weight, fire-resistant, and odorless material and has been used in numerous products, including insulation for. (51 mm) clear airspace Bituthene Mastic Perm-A-Barrier Wall Flashing Drainage fill usage and type optional Dry-Block in CMU & mortar Weeps at 16 in. It was demonstrated that airborne concentrations of amphibole asbestos were not elevated if the material is undisturbed. An example of asbestos-containing Grace products: Zonolite Super 40 – Used in interior drywall applications; Zonolite Masonry Insulation – For use in construction applications Asbestos is a definite health hazard because the very tiny indestructible fibres float into your lungs and stay there, eventually causing cancer type growths. (“Collectiva”) was appointed Claims Administrator by the court in May 2011. 1940 Ontario Ave. However, tests show that activities. Grace Construction Products entered the vermiculite business in 1963 with the acquisition of the Zonolite Company. to the 1837 pounds per cu- bic foot range. The trust will reimburse homeowners for 55% of their removal and re-insulation costs, with a maximum payout per owner of $4,125. Just recently I have become aware of houses built around or before 1920, yes 100 year old houses, where it was discovered that there was about 2 inches of Vermiculite under two different layers of re-insulation over. of plastering. C. There is an accordion-style texture to the particles. It is fire resistant, with a fusion point of. Vermiculite has a high cation-exchange capacity (CEC) at 100–150 meq /100 g. David Crowl has decided to retire and pursue other interests. Explore Recent Photos; Trending; Events;. The Spokesman-Review According to government estimates, Zonolite is in 15 million to 35. , Sept. Insulation products can still be found in thousands of buildings across the country. (51 mm) clear airspace Cavity insulation Joint reinforcement & veneer anchor Dry. The most common types of materials used for loose-fill insulation include cellulose, fiberglass, and mineral (rock or slag) wool. noise insulation artificial concrete brick | mycorrhizal fungi respond to resource inequality by moving< Zonolite vss: value, it often eliminates the need for further elab- orate interior treatment. $349. Finished grade See alternate Base of Wall Details—GCP Drawing SW-3. Sill Detail Masonry Opening Head Flashing. Vermiculite is a mica – like mineral that is heated to about 700 °C during processing. 5-7. By now, Zonolite" Masonry Fill Insulation would not only havepaid for itself. Insulation Joint reinforcement Weeps at 16 in. (51 mm) clear airspace Cavity insulation Joint reinforcement & veneer anchor. GRACE CATALOGUE REMPLISSAGE et isolations maçonnerie zonolite amiante vermiculite 1974 - EUR 219,61. Testing Vermiculite for Asbestos. 87107 T1TLE _ NAME _ Gentlemen: Much as I like peanu t buller, It doesn't seem to do much more for a wall other than Insulate It beller than air. R. Using Zonolite Masonry Fill is the easiest, most economical way to insulate walls like these. CMU spec mix. These products included Monokote Fireproofing, Zonolite Concrete Roof Decks and Zonolite Masonry Insulation. Asbestos Zonolite Insulation. KEYMESH Catalog ASBESTOS Vermiculite Insulation Keystone Steel & Wire Co 1960's. Cellulose is primarily made from recycled newsprint. (51 mm) clear airspace Cavity insulation Joint reinforcement & veneer anchor. This lightweight product creates a protective fill when placed into block core cavities. Zonolite Masonry Fill Insulation Zonolite. In the cavity between all exterior (and interior) masonry walls. Vermiculite masonry fill creates a barrier against moisture, heat, and sound. 01. Vermiculite Insulation. (If collecting multiple samples, each sample should have small scoops from different areas of the attic . by Zonolite Company. Large Styrofoam Blocks for Flotation. It came from vermiculite ore in a now-closed, 80-year-old mine that was last owned by W. S. The Zonolite Concrete shall be protected from freezing during and after placing until such time as no harm results. R. Forum; Pizza Oven Design and Installation; Pompeii Oven Construction; If this is your first visit, be sure to check out the FAQ by clicking the link above. Compare $ 53. Vermiculite could also be used as an aggregate in plaster or concrete. In good condition. Resu t: Vastly increased comfort, a whop. Zonolite masonry insulation is used to insulate masonry wall cores and cavities. Must pick up. Insulation values are increased 20 or more times those of structural concrete. Insulation Joint reinforcement Weeps at 16 in. N. Zonolite Park, now owned by DeKalb County, features 1. Zonolite Masonry Insulation. Zonolite Attic Insulation Exposure Studies. Wildlife seen here includes deer, fish, frogs and birds. H. Ari can be reached at (204) 291-5358 or check out his website at In 1923, a deposit in Libby, Mont. 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. Since spray-on asbestos. Keeps inside wall tempera tures comfortable and the heating and air conditioning bills easy to take. 0. Achenbach FrankJ. Zonolite Masonry Fill (for short) is sim- ply poured into the cores of concrete blocks, or into the cavities of brick cav- ity walls. The approximate remaining 25% is not eligible for reimbursement. or Best Offer. It is a soft, resilient, permanent pad that won't rot or decay. Alberta > Results for "concrete blocks" Results for "concrete blocks" in All Categories in Alberta Showing 1 - 40 of 145 results. In Canada, it was one of the insulating materials allowed under the Canadian Home Insulation Program from about 1976 to the mid-1980’s. When it comes. Grace was founded in Peru in 1854. Title: Print Created Date: 1/10/2014 8:11:52 AMIt was sold under the brand Zonolite, for about 70 years. List of companies in the United States that manufacture products containing asbestos. It is lightweight, non-toxic and non-flammable. Photos of the Zonolite in the structure before removal For removal prior to 6/16/14, you may provide BEFORE and AFTER photos of the attic or other area in questions depicting the presence of the attic insulation and removal of ZAI . Insulators used loose-fill Zonolite in attics and walls. Vermiculite Attic Insulation. At masonry opening head & sill flashing and at other flashing terminations, cut and lap flashing to provide end dams. For example, if you have a 600-square-foot attic, you’ll pay an average of $900 for the cost to remove the insulation. Zonolite pours right into the voids. R. 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. Masonry CMU - Free download as PDF File (. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. Watch on. POWER-PAC STACKS Chimney Catalog Vermiculite Insulation. Grace & Company Site Executive Summary The Agency for Toxic Substances and Disease Registry (ATSDR) evaluated the Zonolite/W. vermiculite attic insulation originated from the Libby mine, while 30% came from other sources. Zonolite insulation is no longer manufactured in the United States. greg_2015 - you are exactly on point. (Source: DSP Inspections) In the U. 800. To make it easier to find the right insulation. Although this product's labeling indicates "Masonry Fill", the vermiculite insulation was installed throughout the attic area (under walking boards). Grace 6' cs. It’s defined by chronic scarring, which can lead to long-term respiratory. homes and buildings may still contain Zonolite. These products can cause health risks if disturbed during maintenance, renovation or demolition. Masonry unif-s monufoct-ured and furnished by CREGO BLOCK CO. FR. for attic insulation was produced from mines in Libby, Montana by a company named W. construction foam blocks. The trust will reimburse homeowners for 55% of their removal and re-insulation costs, with a maximum payout per owner of $4,125. About 75-80% of the vermiculite sold in the U. It was sold under the brand Zonolite, for about 70 years. Asbestos exposure can lead to diseases, like mesothelioma. 825 MacKay Street Regina, SK Canada, S4N 2S3. The mine produced up to 200,000 tons of vermiculite per year to be used in Zonolite. Insulation Joint reinforcement Weeps at 16 in. It also increases the fire resistance rating and Sound Transmission Classification (STC) of the wall system. Sill Detail Masonry Opening Head Flashing. 1 of 2. 5 – 7. Perm-A-Barrier Wall Flashing with end dams Sloped sill set in mortar Drip Sealant Weep 2 in. G 53 Zonolite Division, W. Grace & Co. P. floor insulation Zonolite Concrete floor insulation (1:6 mix — 1 bag cement to 1 '/^ bags of Zonolite Aggregate) shall be placed on a well drained, reasonably level and stable base. The various ways of establishing that you have the Zonolite Brand are set forth on the claim form. Many of the asbestos-containing products produced by W. If testing has been done or other evidence indicates the presence of Zonolite insulation, the ZAI trust may reimburse 55% of the costs up to a maximum cost $7,500 (maximum reimbursement of $4,125). At the time, it was approved for use under a federal government insulation program, so was widely used across the country. (51 mm) clear airspace Cavity insulation Joint reinforcement & veneer anchor. • Carefully scoop the insulation into the container , taking small samples of the insulation from different areas of the attic, if possible. MasterSeal NP 1 is a one-component, high performance, non-priming, gun-grade, elastomeric polyurethane sealant. C. NVS Concrete, 1" Insulcel Concrete, 1" Zonocel Concrete, 1" Insulperm Insulating Board, 1” Steel Decking . Grace & Company (WRG). Core-Fill 500™ provides the highest R-Values available among integral insulation systems. Therefore, a cinder block wall, without any additional material, has very little insulating properties. It is winning rapidThis expansion created pockets of air that made the material suitable for use as insulation and provided better drainage in dense garden soils. Technical Bulletin ISSUED: 19/03/18 ROCKWOOL 8024 Esquesing Line, Milton, Ontario L9T 6W3 T: 1 (800) 265-6878 E: info@ROCKWOOL. Wall (sq ft) Block Size. POWER-PAC STACKS Chimney Catalog Vermiculite Insulation ASBESTOS 1960's. We can handle any size project in strict compliance with all applicable federal and local regulations. The designer must consider not only the insulating value of the concrete material, but al-so how it combines with other flooring or. If an attic is insulated with a thin layer of vermiculite — a layer that provides less than the minimum R-value required by code. Colors to look out for in these pebbles are grayish, brown, or silvery gold. Grace made asbestos products and faced litigation that caused it to go bankrupt. By 1977 such loose-fill insulation, or Zonolite Attic Insulation (ZAI), consti-tuted 15 % of domestic vermiculite use. David Crowl has decided to retire and pursue other interests. The particles of insulation have a particular color. use (in the 1950s and 1960s) of zonolite, vermiculite and perlite was used initially in the cores of concrete masonry units and wall cavity’s to increase the masonry’s marginal thermal performance. That’s why it’s so much better to have an attic with no insulation at all than it is to have an attic with 8 inches of vermiculite. lightweight, free flowing, inorganic. Cole PaulR. S. Photos of the Zonolite in the structure before removal For removal prior to 6/16/14, you may provide BEFORE and AFTER photos of the attic or other area in questions depicting the presence of theSpraytex Textured Paint. Zonolite® Masonry Insulation is free flowing vermiculite used to insulate masonry wall cores and cavities. 69 shipping. Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. R. The former W. Vermiculite was commonly sold in gardening and hardware stores. a lightweight, insulating concrete composed of Portland cement, water, and vermiculite aggregate. Some of the factors that influence the cost to remove insulation include the size of your attic and. Everything in the auction is owned by Kenneth Crowl, Inc. There were major. NM-Ol 5119 Edith Blvd. Weight per cubic foot is reduced from 140 lbs. 00). Grace Construction Products entered the vermiculite business in 1963 with the acquisition of the Zonolite Company. Testing Vermiculite for Asbestos. Grace were focused on providing durability, insulation and fire protection to structures. Degradation of Glass Mineral Wool Insulation after 25 Years in Masonry Cavity Walls . Continuous insulation is defined in 90. R. but thebuildingtoo! Today, Zonolite frequently pays for itself within two or three heating seasons. , was developed for commercial production by the Zonolite Company of Chicago, Ill. Hot deal Good condition and free Text for addition information m. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. Zonolite All-Purpose Plaster is an improvement over ordinary plaster in six all-important ways. Cellulose Blown-In Insulation or Spray Applied Insulation. Zonolite Masonry Insulation, available in 0. or Best Offer. Foam does not settle like zonolite or perlite, and completely fills all the voids in the wall – unlike pre-manufactured insulation inserts. Published 1 July 2010. CATALOGO W. Perlite is a better insulator, when compared with vermiculite, but it is more costly and difficult to find. Installation. or Best Offer. ) View More. This type of asbestos insulation can be seen in bigger warehouses or commercial buildings. Uses for Vermiculite. where the temperature difference is in degrees Fahrenheit between the two sides of the insulation, the area is in square feet, the time in hours, and the heat loss in. The Monolith Movie In The Works. Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. Zonolite Masonry Fill is a free-flowing, drainable vermiculite insulation specially treated for water repellency and used to insulate masonry wall cores and cavities. A mine near Libby, Montana, was the source of over 70 percent of all vermiculite sold in the United States from 1919 to 1990. If there is a potential for it to become airborne. Finished grade See alternate Base of Wall Details—GCP Drawing SW-3. It comes in small pellets, such as those used for wood stoves. Previous Post Calcium Chloride / Ice Melt. It has a dry loose weight density of 4. with end dams end dams Optional Zonolite Insulation Masonry Insulation Sloped sill Dry-Block Perm-A-Barrier set in. , Albuquerque, N. vermiculite attic insulation originated from the Libby mine, while 30% came from other sources. 2 Zonolite Attic Insulation 6 3. Gypsum Company: Acoustical Plaster. Much appreciated. The Vermiculite Association or one of its members, or. SKU #: 6304. Zonolite Masonry Insulation, available in 0. S. Sill Detail Masonry Opening Head Flashing. Foam does not settle like zonolite or perlite, and completely fills all the voids in the wall – unlike pre-manufactured insulation inserts. It also increases the fire-resistance rating and Sound Transmission Classification (STC) of the wall system. Background Insulation Vermiculite Consumer Products Vermiculite is a naturally occurring mineral compound composed of shiny flakes, resembling. Saskatoon Office. Phone:(306)569-2334 Fax:(306)757-2512. It doubles their insulation value; a real boon to mankind. The Schundler Company 10 Central Street Nahant, MA 01908 732-287-2244 or Construction Products Main Page. In addition to its use as an insulation product and in construction as a masonry fill, a cavity fill, & in concrete blocks, vermiculite is added to soils in horticultural applications and to cement to make a lightweight concrete. You must also provide a Declaration of Authenticity (available on the website). When it comes to cost, quality and. Vintage advertisement for W. Houses That Might Have Vermiculite Insulation. Zonolite Masonry Fill Insulation - "a 193287681560. 0 pcf (72 – 112 kg/m3), and is capable of supporting its own weight, so it will not settle. is a flashing grade single component moisture cure polyurethane roof coating. Because Zonolite had been contaminated with tremolite, it resulted in being a health hazard. Zonolite Masonry Insulation. Zonolite Insulation. Conexpo-Con/Agg, Las Vegas, USA (Chinese, English, French, German, Italian, Portuguese, Russian, Spanish) International show for the construction and construction materials industries, showcasing the latest equipment, services and. The Zonolite Attic Insulation trust was established in 2014 to help homeowners with the cost of removing Zonolite Attic Insulation from their homes. INTERIOR INSULATION. A measure of the resistance of building materials and structures to the flow of heat; the higher the R-value the more effective the substance is as thermal insulation. Saskatoon, SK Canada, S7K 1T6. Grace's Zonolite Vermiculite Masonry Fill Insulation. Zonolite masonry insulation is used to insulate masonry wall cores and cavities. zonolite-masonry-fill-1945-a Identifier-ark ark:/13960/s2sv7rf08jd Location Chicago Heights IL Ocr tesseract 5. At the end of the day, make sure you stay safe and remove this harmful substance if you find it. Zonolite is the trademarked name of a vermiculite attic insulation product sold between the 1940s and 1990s. They manufactured sealants, fireproofing materials, cement, and many other asbestos products. Vermiculite clays are weathered micas in which the potassium ions between the molecular sheets are. 11 m3 (4 ft3 ) bags, is. Following is a sampling of some of the asbestos-containing products manufactured or distributed by companies for use in the American marketplace. Zonolite~Masonry Fill Insulation: better than everything Zonolite Masonry Fill lnsulation was developed specifi cally for these kinds of walls . The Zonolite Attic Insulation trust was established in 2014 to help homeowners with the cost of removing Zonolite Attic Insulation from their homes. Moving the vermiculite will cause fibres to become airborne. Notable brands include Zonolite, Kaylo and Unibestos. S. The good news. PERM-A-BARRIER® WALL FLASHING Self-adhesive, rubberized asphalt/polyethylene flashing tapes for cavity wall applications GraceWaterproofingProducts ProductAdvantagesVermiculite insulation looks like pebbles and typically is grayish-brown or silvery-gold. Lung Disease. Zonolite vermiculite product has been found to be contaminated with amphibole asbestos and installed in an estimated 15-30 million homes and properties in various forms, including, but not limited to more common applications such as: attic insulation, masonry insulation, fireproofing additive, plaster aggregate, acoustic ceiling surfacing. It also increases the fire resistance. $0. Most fiberglass products contain 40% to 60% recycled glass. Sold in multi-litre bags, this insulation can be installed by both builders and homeowners and is. Coarse Vermiculite. File cabinet . zonolite. Finished grade See alternate Base of Wall Details—Grace Drawing SW-3 Sill Detail Masonry Opening Head Flashing Perm-A-Barrier Wall Flashing with end dams Sloped sill set in mortar Drip Sealant Weep 2 in. 2_0300425. 9 per inch which is equal or superior to R-values associated with certain rigid board products. Arabian Vermiculite Industries (AVI) was established in 1985 by Khalifa Al Gosaibi Holding to manufacture and service the growing demand for quality fireproofing, in the growing construction sector . Zonolite, when mixed with a Portland cement binder, in lieu of sand gravel aggregate and gravel aggregate, produces a lightweight insulating concrete. Company Profile Arabian Vermiculite Industries (AVI) prides itself on building a strong reputation over the years by manufacturing quality products and providing an outstanding…Concrete Masonry blocks Solid Hollow Thermal Hourdi These Blocks have a thermal core made of Polystyrene with 25kg/m3 density Normal weight concrete is at 2150Kg /m3 density These blocks are perfect for thermal insulation and is mandatory for external walls The blocks are available with a face dimension of 400 x 200 mm L x H and thickness of. The Spokesman-Review According to government estimates, Zonolite is in 15 million to 35. Weight per cubic foot is reduced from 140 lbs. The product was made of asbestos-contaminated vermiculite once mined in Libby, Montana. Styrofoam Blocks for Building Houses. The R-value of this ambient space is 1. ZONOLITE Masonry Insulation, available in 4 cf (0. 9 per inch which is equal or superior to R-values associated with certain rigid board products. mattress . Loose Fill Insulation Could Contain Asbestos If: Asbestos Insulation. Contact us to learn more about Concrete Blocks. Zonolite insulation is the brand name of vermiculite that came from a contaminated mine, so asbestos is mixed into it. But a naturally occurring type of deadly asbestos was found in the same deposit. Aegean Perlites SA Mining and purifying of perlites, also manufacturing of expanded perlites. Check out the video clip below for the highlights:Find great deals on eBay for zonolite. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. Grace has funded the Zonolite Attic Insulation Trust to reimburse claimants for legitimate property damage claims associated with the removal, abatement, and/or containing the asbestos-contaminated vermiculite insulation. Zonolite Purchase 2 Ways of Providing Payment: 1. C. W. It. Loose Fill Insulation Could Contain Asbestos If:We’re having some trouble displaying this photo at the moment. Description. These products can cause health risks if disturbed during maintenance, renovation or demolition. The OwensCorning Foamular Cel-Lok Wall Insulation System consists of a slotted rigid foam insulation board into which Thermo-Stud metal furring channels are field installed. Free shipping. 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. S. say yes," I cringe Asbestos Property Damage Claimants Individuals and entities that own. Zonolite® - Grace Construction Products. The vermiculite was used for attic insulation, fireproofing products, masonry fill and as an additive in potting soils and fertilizers. In 1923, a deposit in Libby, Mont. While no longer produced, as many as 35 million U. Insulation Joint reinforcement Weeps at 16 in. 25 lbs. BACK; Plastispan 40 EPS Insulation; Plastispan Type 1 EPS Insulation; Plastispan Type 2 EPS Insulation; Spray. Perm-A-Barrier Wall Flashing with end dams Sloped sill set in mortar Drip Sealant Weep 2 in. Grace. Zurn Industries, Inc. 87107 T1TLE _ NAME _ Gentlemen: Much as I like peanu t buller, It doesn't seem to do much more for a wall other than Insulate It beller than air. It is a pebble-like, pour-in product that is usually light brown or gold in color, ranging in size from very fine particles to course pieces around an inch long. Insulation – Masonry Fill. From one. 1 Concrete Block Wall Assessment and Sampling 8 5. 4 to 0. Get started with a free consultation for stress-free and mess-free professional installation. Raybestos-Manhattan & Raymark Industries. A trust fund was created with $3 billion to handle claims in 2014. 2 One of the major uses of Zonolite was loose-fill insulation in attics of homes. R. A measure of the resistance of building materials and structures to the flow of heat; the higher the R-value the more effective the substance is as thermal 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. It is lightweight, non-toxic, and non-flammable. Shipping: Shipped by UPS Ground or 3 Day. Vermiculite from Libby was used in the. Zonolite Insulation. Insulation values are increased 20 or more times those of structural concrete. 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. 25 lbs. Current Matches Filter Results (145) Filter by. The recommended value for an exterior wall is between R-13 and R-23. Grace Inc. Product Use: Insulation, Construction, Industrial, and Horticultural Applications Distributor: Uline Shipping Supplies 12575 Uline Drive Pleasant Prairie, WI 53158 Telephone Number: 1- 800-295-5510 Fax Number: 262-612-4266 Preparation date of SDS: June 7, 2015 Review date: June 19, 2018 SECTION 2 – Hazards IdentificationVermiculite-asbestos insulation resembles rocky gravel. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. When furnace at high temperatures, Perlite "pops" and expands up to 15 times its original volume. This satis-fied the increased energy demands. ZONOLITE'" MASONRY INSULATION ZONOLITE Masonry Insulation is a lightweight, free-flow ing, granular vermicul ite which Is specially treated for water repellency.