Our Comment Box is provided by Countable Web Productions countable.ca, Click to Show or Hide Citations & References, 5 easy questions to tell if your FLOOR probably contains asbestos, 1960-1969 VINYL FLOOR TILE ASBESTOS TESTS - 03, 1960-1969 VINYL FLOOR TILE ASBESTOS TESTS - 04, MARBLE / STONE CHIP PATTERN FLOORING ASBESTOS, ASBESTOS TEST REPORT: Asbestos analysis of ca 1965 FLOOR TILE from a NEW YORK HOME, 1960-1969 ASPHALT FLOOR TILE ASBESTOS TEST - 06, ASBESTOS TEST LABS in the USA - EXAMPLE REPORTS, SOLID TILE & FEATURE STRIP FLOORING EXAMPLE, SHEET & TILE FLOORING ASBESTOS ID-BRICK PATTERN ID, ARMSTRONG FLOOR TILE IDENTIFICATION PHOTOS 1970-1972, ASBESTOS FLOOR IDENTIFICATION FAQs 1960-1969, ASBESTOS FLOOR TILE IDENTIFICATION COLOR KEY, ASBESTOS FLOORING IDENTIFICATION GUIDE INDEX, 1960-1969 ARMSTRONG EXCELON FLOOR TILE GUIDE, ASBESTOS, ITS INDUSTRIAL APPLICATIONS, ROSATO 1959, HOME INSPECTION EDUCATION COURSES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, 94% non-fibrous (other) Note: could in some flooring incude non-fibrous asbestos filler [Ed. This article series includes a photo-gallery of pictures of floor coverings submitted for identification along with comments on findings, recommendations, & asbestos content. . Typically the floating floor will use a rosin paper or other underlayment as well. and finally what would you suggest for the flooring? [28] Stanton, .F., et al., National Bureau of Standards Special Publication 506: 143-151, [20] Pott, F., Staub-Reinhalf Luft 38, 486-490 (1978) cited by McCrone, Asbestos products and their history and use in various building materials such as asphalt and vinyl flooring includes discussion which draws on, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. The History of Asbestos: Timelines of When Asbestos Was First Used Asbestos found in the vinyl floor tiles at the TOH TV project house means a state-licensed (and well-protected) abatement crew must do the removal. It means a lot that you took the time and trouble to comment as you did, and of course I'm very happy that our information proved helpful to you.Indeed we have worked hard for over fifteen years to make information at InspectAPedia.com accurate, in-depth, and without bias, so I am of course very grateful when a reader reports that our website has been useful.To that end, I would much appreciate hearing any comments, critique, suggestions, or further questions that you may have about any of our diagnosis/repair articles. Armstrong introduced peel and stick tiles in late 1969. by Inspectapedia Com Moderator, Yes that floor is likely to contain asbestos - you'll find a very close match in our photos from the 1960s and 1970s. ], Various (colored) fibrous material, homogeneous. Kentile Floors History of Asbestos 1960 - Armstrong Excelon Floor Vinyl Plastic Asbestos Floor Tiles, 9" x 9" & beginning in 1960 available in 12" x 12" size Excelon Vinyl Asbestos Tiles were produced in both 9" x 9" and for order quantities over 9,000 sq.ft. [8] Resilient Floor Covering Institute, 1030 15th St. NW, suite 350, Washington D.C. [9] Inspiring Interiors from Armstrong 1950s from Armstrong, [Paperback], Schiffer Publishing (March 1998), ISBN-10: 0764304585, ISBN-13: 978-0764304583, [1] Interior Solutions from Armstrong the 1960s from Armstrong, [Paperback], Schiffer Publishing (March 1999), ISBN-10: 0764307002, ISBN-13: 978-0764307003, [11] Asbestos products and their history and use in various building materials such as asphalt and vinyl flooring includes discussion which draws on, [16] EVER WEAR TILE CO is currently (2009) in the Terrazzo, Tile, Marble, and Mosaic Work industry in Fallon, NV. 1/16" was referred to as service gauge. S.E. 4. In some instances, we have seen up to six layers of asbestos floor tiles. ThaneI would treat the floor as presumed to contain asbestos, based on your notes on home age and floor appearance.At DOES THIS FLOOR CONTAIN ASBESTOS?I pose 5 simple questions that you can try to answer to make a reasonable guess at whether or not the floor in your photo contains asbestos. Thanks to reader Kim for the photo of black and white VAT resembling Armstrong Excelon from a 1952 home - January 2011. "Extrusion graining process." We have tiles like the top ones. STYLETONE floor tiles were sold in these colors: Woodtone vinyl asbestos floor tiles in 1962 sold 9" x 9" x 1/8" & 1/16" thicknessesColors: Light Oak 850, MEDIUM OAK 851, Dark Oak 852 (see the 1961 photos). It is all glued on really well and not crumbled at all. Vinyl or asphalt tiles that have these colors in it have a high likelihood of asbestos fibers. Take a look at our next photograph below, showing the edge of this 1960's floor tile. Be Lurking in Your Home. @Inspectapedia Com Moderator, Thank you. Looking for information (manufacturing window, brand, etc.) Avoid making a dusty mess. Has anyone come across this tile design before? Vinyl flooring containing asbestos comes in a wide variety of colours and patterns. I would appreciate it. - G.M. https://inspectapedia.com/hazmat/DIY-Asbestos-Floor-Test.php If removing the tiles is legal in your community, and you choose to do the work yourself, your local building authority or hazardous waste utility will often provide a list of procedures to follow. Asbestos Floor Tiles - ABI Home Inspection Services Thanks for asking, Quora User! If that leaves you with suggestions or questions do let me know. Use a steel floor scraper to pry up the asbestos tiles one at a time. by Inspectapedia Com Moderator. The reason I'm concerned about these tiles is that my daughters have been practicing irish dance in our basement for the past 6 months in their hard shoes (like tap shoes but wooden on the bottom instead of metal) and the tiles got pretty scuffed up from their dancing. Sure, Anon, just use the email found at our CONTACT link seen at the top or bottom of any InspectApedia.com page - but it may not be necessary. Eri,Thank you so much for your very nice note. materials are in good condition and the asbestos can not be released into the air. While some states and communities prohibit the removal of asbestos flooring, many areas do permit homeowners to do so. I'm not sure my ground detected on your site, but I send two photos if you are able to recognize or catalog. Would it best to just put a floating floor over it? Can you please identify this tile? This is in a 1963 house in Freeport. Black Mastic Asbestos - Basics and Removal - The Spruce 04. Trying to renovate a basement bathroom, and came across some flooring Im unsure of. When we moved in, there was carpet covering all floors except the kitchen. Molly,We can understand your concern but honestly it's not reasonable or possible to assess the level of exposure to a hazardous material from an e text.You might however collect some settled dust from the occupied spaces. Any information would be greatly appreciated. This photo guide to asphalt asbestos & vinyl asbestos floor tiles for each year shows at least one color photo of each floor tile style or pattern in an example color. This article contains flooring identification requests for floor tiles or sheet flooring believed to date from the 1960's. Light Woodtone 788, Red Woodtone # 796, Dark Woodtone 799 (See same tile pattern & color photos from 1958 for color photos). The primary diseases related to asbestos exposure are: Asbestos floor tiles will not release toxic fibers and pose a health risk unless they are disturbed. Colors: IMPERIAL pattern vinyl asbestos floor tiles for 1961 sold as 9" x 9"x 3/32 or 1/8" gauge, shown above [Click to enlarge any image]Colors: METALLIC series floor tiles for 1961, straight grain, shown aboveColors: SPATTER series floor tiles, shown aboveColors: STANDARD STRAIGHT GRAIN pattern Armstrong flooring tiles 1961, shown above The same is true in the bath: pebble style underneath a newer layer, except there is no wood layer between.The closest I could find in your list to the lowest layer is Styletone 838 Glaciertone.Thanks for the amazing list. - concerned that white brick pattern sheet flooring may contain asbestos. Armstrong is a separate company from Congoleum-Nairn. But your packaging and the patent numbers put the product in a significantly earlier time frame. I hope you can advise me on the matter, think that contain asbestos? Thank you for providing a useful site about asbestos tile. Also we don't know if the lab is looking only for characteristic and comparatively large asbestos fibers or if the procedure also detects shorts or fines of asbestos widely used as filler in asphalt-asbestos and vinyl-asbestos floor tile. InspectAPedia tolerates no conflicts of interest. These tiles also include metallic accents, metallic highlights in gold, silver or bronze dispersed through the pattern. It that a safe alternative to removing? The white substance in your 2nd photo looks like tile mastic adhesive. I may have misunderstood you but if you're saying that you think that large piece of flooring tell you whether or not the material contains asbestos, that's a mistake. Short of having a sample of the flooring tested, you can make a reasonable *guess* at whether or not your floor contains asbestos by answering the few easy questions found at If you live in an older home and are concerned that your you may have asbestos floor tiles, keep reading. Mastic is a term that has largely become outdated, but you may still find it on old cans around the house. this site is so rarelots of gratitude. DOES THIS FLOORING CONTAIN ASBESTOS? Anything from 1985 (ish) or OLDER means it is possible to have asbestos in it. Any recommendations for a product to seal the tiles? See details, TIDESTONE style asbestos vinyl floor tiles (Malibu beige 51764) shown above, TRAVERTEX style (Briar tan 51130, Mist white51135, WOODTONE (standard tile, wood tone: Light oak 56850), Custom vinyl cork floor tile ingredients: raw cork & vinyl resins (literature does not cite asbestos), Cork floor tile ingredients: raw cork, resins, and CORK PARQUET floor tiles, in both material types, Also see the 1960's Armstrongs red and white brick flooring patterns illustrated, at SHEET & TILE FLOORING ASBESTOS ID-BRICK PATTERN ID, The 1960s & 1970s motif floor tiles shown above have been reported by readers in homes dating from 1968 and 1973 and are also shown at, Embossed (9 x 9 & 12" x 12")(See 1965-1966 styles of embossed floor tiles), CUSTOM SHALESTONE (Bushkill white - left) 12" x 12" x 1/16" floor tile images from 1969, Imperial Modern (9 x 9 & 12" x 12") (see 1968). "The interaction of asbestos and iron in lung tissue revealed by synchrotron-based scanning X-ray microscopy." The vinyl tile data on the original packaging in your photo is incomplete but we can see the tile style name (Applause vinyl floor tile), a fragment of text probably indicating that the supplier and perhaps manufacturer of this flooring was in Alabama, and some patent numbers. Above: asbestos suspect sheet flooring from the 1960s, from reader Kat. Identifying Asbestos Tile Flooring By Date If the flooring was installed between 1952 and 1986, your vinyl flooring might contain asbestos. To be clear, there were some 1960's asphalt- or vinyl-based floor tiles that did NOT contain asbestos. The use of Asbestos dates back at least 4,500 years. All You Need to Know About Asbestos Floor Tiles - Bob Vila This 3"x3" "EXCELON" tile sample is from a boxed set made by Armstrong, dated August 1964; the pattern is called: "Andover White". CENTENNIAL SERIES floor tiles, shown above include ovate spots on a soft background, with pearlescent/metallic highlights (above left) Colors: Corkstyle floor tiles for 1961, shown above - as in prior and subsequent years - see "Dusty Cedar 874 in the thumbnails above. Photo ID guide to 1960's Asbestos-Containing floor tiles: This article provides flooring identification requests and represeentative photographs of 1960's floor tiles to help identify flooring that contains asbestos. Asbestos in Tile Flooring. The lab found. Aside from that, some homeowners simply arent comfortable having asbestos tiles remain even if they poseno health risk. Glue that attaches floor tiles to concrete or wood. Other asbestos-containing flooring products from various manufacturers were produced between around 1920 to 1986. Vinyl floor tiles and covering and asbestos | Asbestos regarding both samples in picture. However if such flooring installed in North America before the early 1980's is in very poor condition or if it must be demolished as part of building renovations, it should be treated as presumed to contain asbestos and handled accordingly. We have found records only of 9" x 9" vinyl asbestos floor tiles for 1964, in 1/16", 3/32" or 1/8" gauges. Do not want to remove it. Also see asphalt and vinyl asbestos-suspect flooring test results at, [1] Armstrong Residential Flooring - Website 05/15/2010 https://www.armstrongflooring.com/ lists current flooring products provided by the Armstrong Corporation, including Armstrong's current vinyl floor tile products at https://www.armstrongflooring.com/flooring/products/vinyl-floors, [2] Armstrong Corporation, Corporate History - https://www.armstrongflooring.com/corporate/corporate-history.html - Web Search 05/19/2010, [3] Armstrong vinyl asbestos floor tiles: photos of asbestos-vinyl floor tiles as catalog pages (PDF form) are at www.asbestosresource.com/asbestos/tile.html, [5] "Asbestos in your home or at work," Forsyth County Environmental Affairs Department, Winston-Salem NC, [6] "Asbestos Floor Tile Removal", the University of Minnesota's advice on removing VAT (vinyl asbestos or asphalt asbestos floor tile) can be read in detail at www.health.state.mn.us/divs/eh/asbestos/floortile/index.html. Use a measuring tape to measure the length and width of one of your flooring tiles. As you may have seen, you can often find a match in the ID-library of asbestos flooring beginning DOES THIS FLOORING CONTAIN ASBESTOS? https://inspectapedia.com/hazmat/Asbestos-Floor-Tile-Identification-Index.php Likely asbestos? - Anon. The most popular size was. If the floor is in poor condition or must be removed then see the asbestos floor removal and asbestos hazard reduction articles found in the ARTICLE INDEX at the end of any of these pages. Hello, this tile was found under wall to wall carpet in the family/patio room of our new to us old house a split level built in 1968. We ripped up some old carpet in our new house to find vinyl floor covering in most rooms but one room with a paper-y floor covering that we presumed was asbestos. Once asbestos regulations arose in the 1970s and 1980s, companies stopped using asbestos in their products. The last picture shows the back of the tile. In some areas has deteriorated and has holes that emit or accumulate dust. 5 (1996): 1275-1275. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. When you're looking at a 1960s council house, look out for potential issues such as: Vinyl floor tiles or bitumen to floors, particularly in ground floor rooms where there is a concrete floor . Sanding, sawing, drilling, or tearing the tiles out, however, can release fibers into the air where they can be inhaled, so caution should be taken to not disturb them. Scientific reports 3, no. First time home buyer. We have not seen this exact tile pattern before, but from our records it looks a bit like some of the Kentile flooring. You can make a more useful guess about the asbestos question by clicking the live link in the article recommendation above titled (See the corkstyle color images from 1956, 1957, 1958), EXCELON DESIGNER TONE-on-TONE colors 9" x 9" x 1/16" (some patterns) & 1/8" , shown above. Asbestos is safe and legal to remain in homes or public buildings as long as the asbestos ), Excelon Straight-Grain 9" x 9" x 1/16" & 1/8" gauge floor tiles, not the metallic series, were sold in these, Colors: Seneca White 770, Mohawk gray 771, Apache Red 777, Osage Green 780, Iroquois Tan 783, Mohave Charcoal 786, (See same tile pattern & color photos from prior years), Excelon STYLETONE series vinyl-asbestos floortiles , shown above (similar to Cork patterns + monochromatic colors), Colors: Sandtone 830, Mintone 831, Rosetone 834, Cedartone 835 (See same tile pattern & color photos from 1959 for color photos), Excelon WOODTONE floor tile pattern, shown above, sold in these colors: Hi, what do you think to these. I hate to admit this but it took me a while for it to hit me that the tiles were probably asbestos. Before taking a sample of your flooring tiles, call your local building authority. 1955 asphalt asbestos or vinyl asbestos floor tiles were sold only in 9" x 9" 1/16" or 1/8" gauge sizes, in one pattern (above) in seventeen colors. Textiles can be found in fuse boxes behind the. Though I don't see tiles that look exactly like this, the tiles look similar to the asbestos tiles in your picture library. From a Poughkeepsie New York House built ca 1965, this floor tile and mastic on its back surface were sent for analysis via PLM NYS 198.6 (<1%) & TEM NYS 198.4 (<1%). Below: an excerpt from the EMSL lab report on this flooring sample. 1960 - 1969 Armstrong Excelon Floor Vinyl Plastic Asbestos Floor Tiles, 9" x 9" & beginning in 1960 available in 12" x 12" size you'll see some similar but not matching patterns such as the Coda Bisque design or Nice Gold design. I believe them to both be Armstrong from your site, I have determined that one is "Osage Green 780" but I can't figure out the black. You'll also find in this article series guidelines on reducing the hazard from asbestos-containing flooring, including cleanup procedures and cover-up procedures. The company stopped manufacturing these tiles with asbestos in December of 1982. Excelon Vinyl Asbestos Tiles were produced in both 9" x 9" and for order quantities over 9,000 sq.ft. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. The definitive way to find out if tiles contain asbestos is to have them tested. Some self-adhesive floor tiles made by Armstrong also contained asbestos. Someday we will put down new vinyl throughout. He can be contacted at 34 Lodge Street, I do see those similar matches and that is what I was afraid of having already disturbed it. Also should we put something over the tiles to encapsulate before we lay the flooring? Hey, so I'm tearing up carpet in a house I just bought. Photos attached. 1960-1969 ARMSTRONG EXCELON FLOOR TILE GUIDE at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. I've been telling my whole family about this site and will just echo it elsewhere. Or see ASBESTOS FLOORING ID REQUESTS 1960's FAQs - requests & questions posted originally on this page. Trying to identify this material and decide what our next steps should be in our new home. We pulled up old linoleum and found this underneath. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. METALLIC style flooring tiles shown above And while 9x9 floor tiles were common in the 50's and 60's there were indeed 12x12 floor tiles being produced and installed when your home was built. The floor tile product style name Applause is still in use by Tarkett flooring but for newer sheet or carpet-type flooring products that would not contain asbestos. Wear a respirator mask, goggles that form a seal around your eyes, a hat, and old clothing you will dispose of when the job is done. Many homes have asbestos-containing floor tiles, especially those built or updated in the 1970s and before. So, you seem to be that independent person I asked about. We are not certain of the manufacturer of the tiles shown here, and we publish them here to invite feedback from other readers. Pittsburgh, PA 15227, Asbestos structures are identified by a combination of morphology, quantitative elemental chemistry via Energy Dispersive X-Ray Analysis (EDXA), and Selected Area Electron Diffraction (SAED). For a quick check and five easy questions that can help tell you if an unknown floor covering contains asbestos, try. Angie take a look at the simple questions at DOES THIS FLOOR CONTAIN ASBESTOS? Photo Guide to Vinyl-Asbestos Floor Tiles - 1960 - InspectAPedia And of course you would choose a clear sealant when you are preserving and retaining the original floor. Floor tiles containing asbestos? | Tiling Forum | Tiling Advice | Tile The last one specifically refers to a process that used asbestos - supporting my caveat. See ASBESTOS FLOORING HAZARD REDUCTION for suggestions. Colors: STANDARD STRAIGHT GRAIN Standard and Woodtone (below) were the most popular selling vinyl asbestos floor tile patterns in 1962 according to Armstrong. Below we provide photographs and descriptions from a variety of flooring manufacturers, followed by a detailed list of floor tile product names we've been able to collect. Instead use damp wiping and/or a HEPA-rated vacuum cleaner. Besides insulation, floor tiles were some of the most popular asbestos-containing materials manufactured a few decades ago. Really? Dr. McCrone literally "wrote the book" on asbestos identification procedures which formed the basis for current work by asbestos identification laboratories. What releases problem levels of fibers and particles from asbestos floor tiles is more likely demolition, sanding, grinding, or potentially, buffing with a power buffer that uses a steel scrubber attachment. There are asbestos testing kits that you send away to lab ($100/sample; floor = 1 sample; adhesive = 1 sample = total of 2 samples). "54 UNSATURATED POLYESTER RESIN.". Readers can use our page bottom COMMENT BOXto submit photos of flooring to get help in identifying floor tiles or sheet flooring that might contain asbestos. Asbestos - Floor tiles, textiles and composites - HSE My first question was, what the heck is it? What I know is that tiles are thick (about 3 cm), with a thin layer of material seen (a few Asbestos in the Home: How to Identify, Test and Remove It How to Identify Asbestos Floor Tiles | DoItYourself.com I might just assume that it contains asbestos and wear masks and gloves while cleaning and sealing. I like that flooring too. Easy Ways to Identify Asbestos Mastic: 15 Steps (with Pictures) - wikiHow Regards, G.K., Cleveland OH. It is very common to find multiple layers of asbestos floor tiles as they may have been added over time. The lab found. Evidence found near the Lake Juojrvi, Finland, shows that people used it to make pots and other cooking utensils. These floor tiles include metallic accents, metallic highlights in gold, silver or bronze dispersed through the pattern. At the very least, if you can establish the date that the flooring was made or installed then, depending on the country where the flooring was made (and usually where it's installed) you can know if it's an asbestos-candidate. We also see that this is a12x12" vinyl floor tile, Style No. The age is importanttake a look at the simple questions at DOES THIS FLOOR CONTAIN ASBESTOS? My second was WHHYYYY? Edward, Stanley Robbins. Excelon Vinyl Asbestos Tiles were produced in 1963 in both 9" x 9" and for order quantities over 9,000 sq.ft. DOES THIS FLOOR CONTAIN ASBESTOS? I'm guessing anywhere between 1950 and 1975. I'm amazed by all the information you have and put up. Vinyl floor tiles. The tiles measure 25x25cm. A single 15-gallon poly-bag, designed for asbestos disposal, will hold approximately 20 square feet of demolished floor tile and associated debris. So, more questions: some of the tiles are not securely attached. Asbestos Floor Ceiling Tiles Usage Dangers And Removal. Baths are small, so I used peel and stick tiles to update. TIA! Keep a pump sprayer filled with water handy, and spray down the floor as you work to reduce the risk of airborne fibers. It would help us research this floor design if you could tell us the country, city, state or province where the floor is installed. Co. We provide: identification photographs, product names, styles, colors, and vinyl-asbestos floor patterns, and colors for asbestos-containing floor tile products made between about 1930 and 1986 - flooring materials that are reported to or have been confirmed to contain asbestos in asbestos fiber or asbestos powder-filler form. - information courtesy of Armstrong Corporation. at MONTGOMERY WARD ASBESTOS FLOOR TILE IDENTIFICATION as the color pattern is similar to some Wards flooring. Several manufacturers, including Armstrong, Sears, Wards and possibly Kentile produced a vinyl-asbestos floor tile in that pattern, referred to as "Corkstyle" It depends in part on what kind of flooring you are installing. Answer (1 of 4): Do all vinyl floor tiles from the 1950s contain asbestos? Replace it with a new mop head and rinse out the mop bucket thoroughly. Here's more detail on that point.InspectAPedia.com provides building and environmental diagnostic and repair information.In order to absolutely assure our readers that we write and report without bias we do not sell any products nor services, nor do we have any business or financial relationships that could create such conflicts of interest. by Inspectapedia Com Moderator - red and cream floor tiles and red sheet flooring may all contain asbestos. 8/21/2013, The photos are a bit blurry (I did some sharpening in our lab) - so I'm not sure if we can match to an existing file photo or not. Asbestos floor tiles were first installed in the early 1920s and were commonly used until the late 1960s. 1960s asbestos vinyl flooring We live in a 1960's 3-bedroom rancher. Original linoleum products were made using linseed oil as an ingredient, often with a jute (burlap or fabric) backing. greatly appreciated. - US EPA If you decide to have the flooring tested for asbestos see ASBESTOS TESTING LAB LIST for some suggestions. for a more-complete understanding of the same question and our answer that you'll find there. Apologies for the delay. Shut off your HVAC unit and seal off other areas of the home to keep asbestos fibers from contaminating other rooms. In some cases, because patents cite earlier patented inventions the package-patent number shows up more than once in research. That flooring might contain asbestos if it was installed in a building in North America before 1987. The safest as well as least-costly course of action is to leave such flooring in place, and to cover it over with other flooring material. by inspectapedia.com.moderator (mod) - metaphysical questions about brown wood pattern vinyl floor tiles. also in 12" x 12" size. For colors for which a link is not provided below, see the earlier occurrence of that tile color in a previous year. - US EPA. First, why do I call this an "asphalt-asbestos" floor tile rather than "vinyl-asbestos" or just "vinyl" floor tile? To protect your trust we have no business or other relationship with any product service or provider discussed here. I recommend the procedures you'll find at Do you think they contain asbestos? Note: appearance of your Comment below may be delayed: if your comment contains an image, photograph, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. You can glue in floor tiles or use a leveling compound to make the floor smooth before installing a floating wood floor atop. is this becoming dangerous?