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PACM Sheet flooring in NY (C) Daniel Friedman Resilient Flooring or Sheet Flooring that Might Contain Asbestos
Sheet flooring 1920-1988 ID Photos & Requests

  • VINYL SHEET FLOORING POSSIBLE ASBESTOS - 1920-1988 - CONTENTS: aids in identification of older resilient flooring or sheet flooring products that may contain asbestos: how to identify Armstrong, Congoleum, & other asbestos-containing and non-asbestos-containing resilient sheet flooring floor coverings. Asbestos content in rubber-backed flooring products.
  • POST a QUESTION or READ FAQs about sheet flooring products that might contain asbestos
  • REFERENCES
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Possible-asbestos-containing sheet flooring or resilient flooring products from 1920 - 1988:

Here are identification photos & markings that help identify resilient sheet flooring made or installed up to 1988 and that may contain asbestos.

This article series describes sheet flooring products known to contain significant levels of asbestos. We describe sources of asbestos in older forms of sheet flooring including felt-backed flooring, rubber-backed flooring, and vinyl cushion-backed resilient flooring products. We also include photographs for identification of known asbestos-containing resilient sheet flooring as well as unknown flooring submitted for identification. The article gives safety and asbestos testing advice for sheet flooring products.



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Examples & Submissions of Pre-1988 Installations of Sheet Flooring & Resilient Flooring that Might Contain Asbestos

Identify Older Linoleum Rug Pattern or Black-Asphalt-Backed Sheet Flooring

Linoleum-like floor covering - linoleum rug (C) InspectApedia CW Linoleum-like floor covering - linoleum rug (C) InspectApedia CW

[Click to enlarge any image]

The flooring above produced on a black substrate (asphalt impregnated felt paper) is asphalt-felt backed linoleum; similar products, typically by Congoleum may have a red or green backing and sometimes a rubber backing that is not an asbestos material. Backer types are identified separately at VINYL SHEET FLOORING BACKER TYPES.

Watch out: some asphalt-impregnated felt products used in roofing, siding, and flooring contained asbestos.

Sheet flooring 1960s 1970s Asbestos likely (C) Daniel Friedman Asbestos suspect sheet flooring Minnesota (C) Daniel Friedman

The sheet flooring shown above in two views was installed in a home in northern Minnesota, dates from the 1960's to 1970's. I would treat this floor as "PACM" - Presumed Asbestos-Containing Material.

PACM Sheet flooring in NY (C) Daniel Friedman

The sheet flooring shown above at left was installed in a home in Hyde Park, NY and (we think) dates from the 1970's. This popular pattern was widely used. I would treat this floor as "PACM" - Presumed Asbestos-Containing Material.

1970's sheet flooring may contain asbestos (C) InspectApedia.com

Above the photo is of sheet flooring of which a reader opined that the stone-rectangle flooring dated from the 1970's - a basis for treating the floor as "PACM". To me the floor looked much newer.

Asbestos confirmed in backer of sheet flooring shown above

Our reader confirmed that the 1970's sheet flooring shown above and located in a Kansas home (U.S.) was tested and found to contain more than 1% asbestos in the flooring backing. 2017/03/28 - private email to editor

The flooring sample, tested by ACT, a Kansas asbestos testing laboratory, was found to contain 65% Chrysotile asbestos in its off-white compact fibrous backing.

Adhesive was not found in the flooring adhesive nor in the flooring's top layer that provides a clear wear-surface and the flooring's color-pattern.

Reader Question: Is this rug-pattern floor covering asbestos tile or sheet flooring Linoleum?

I wanted to seek your advice on the attached images which is some sort of tiling that a previous homeowner put on a work bench as a covering. I looked through your website, but couldn't find a match. Does this look like asbestos tiles to you? If so, any idea on the brand? Thanks in advance! - C.W. 1/17/2014

[Shown in the two photographs above - click to enlarge any image]

Reply: forms of "linoleum" may include products glued to felt underlayment vs. glued to a jute backing

From your photographs showing that the flooring product, now covering a workbench top, has a woven rug -patterned top layer over a black substrate, I would guess that this is an asphalt paper-backed sheet flooring product resembling
LINOLEUM & SHEET FLOORING but not using the traditional or pure linoleum ingredients nor using linoleum's jute fabric backing.

In that article we discuss your photographs in more detail and there we explain that the ingredients of true linoleum include natural resins, linseed oil, color pigments, cork powder and limestone, with a jute backing. Those products do not contain and never contained asbestos. But there, in a more detailed reply to your inquiry, we also explain that some sources, including experts at the US FPL describe felt or asphalt-backed sheet flooring as "linoleum" - products like that shown in your photos. At least some of these older felt underlayments contained asbestos.

Reader Question: Not sure if these contain asbestos or not. Rug pattern sheet flooring with green backing

They are old - the kind that last a long time! The fleck type one was under several layers of flooring in my grandparents home. I think they built it around 1935.

Rug pattern sheet flooring with green backing, probably a Congoleum product, or possibly Armstrong. (C) InspectApedia BL

The second one, [shown immediately above] the rug pattern is the one I am most interested in finding out about. The backing is green but I cannot find a makers mark on it. Any idea if that means anything? - Anon [by private email] 23 Aug 2015

Reply:

The photo shown just above looks like a rug pattern linoleum and if the green rolled material in the right of your photo is the same flooring, it is more likely a Congoleum (or less likely Armstrong) sheet flooring product. Some Congoleum sheet flooring included a red or possibly green rubber backing that is not an asbestos material.

Armstrong, Congoleum, Linoleum sheet flooring is also discussed at LINOLEUM & SHEET FLOORING

IF you are faced with a requirement for demolition and if you are uncertain about the flooring's asbestos content and cannot identify it through our guides, then you have a sample tested.

See ASBESTOS TESTING LAB LIST and as it will help other readers, if you have this flooring tested please confirm the lab result with us and send me a copy of the lab report.

Identify Older Armstrong Sheet Flooring that Might Contain Asbestos: check the backing material

Reader Question: does this old Armstrong brand sheet flooring contain asbestos?

Hi - I'm so happy to have found your site. I would so appreciate your help identifying the Armstrong sheet flooring (photos attached) in our 140 year old house.

Weirdly (at least to me), this flooring was laid directly on top of the sub-floor. I do not know why the original hardwood is missing, if in fact it ever existed (our little town has a history of flooding, so perhaps it was damaged and removed). We discovered this flooring when we pulled up the carpet. We were hoping to find the original hardwood, but found this Armstrong sheet flooring over the subfloor instead.

Armstrong sheet flooring (C) InspectApedia LT Armstrong sheet flooring (C) InspectApedia LT

Of course, our concern is that the flooring or the fibrous paper backing may contain asbestos. We're diy-ers, but don't want to take unnecessary risk if it does contain asbestos. Thank you so much!!! - L.T. 1/6/2014

Reply: a quick review distinguishing linoleum from vinyl sheet flooring

Your first two photos show what looks to me like Armstrong sheet vinyl flooring in a woven, fabric, or carpet pattern. The backing of your flooring product (above right) is not jute (a coarse brown fabric) and is not asphalt felt (a black thick paper like product impregnated with asphalt).

Rather I see a white or light colored backer. Some white sheet flooring backers contained asbestos.

Indeed adding to the confusion of identifying traditional-formula true linoleum is that many people just call all flexible resilient sheet flooring "linoleum". Armstrong corporation, itself a long-time flooring manufacturer produced floor tiles, self adhesive floor tiles, and sheet flooring that the company identifies as linoleum as well as separate products that are identified as vinyl sheet flooring.

Linoleum: is made from linseed oil, resins, recycled wood flour, cork dust, limestone & mineral pigments. A quick and reliable way to identify linoleum is to observe that the walk-on surface is mounted on jute backing. On the under-side of linoleum you'll see a coarse brown fabric (jute) that looks like what some folks call "burlap".

Details are at LINOLEUM & SHEET FLOORING

Vinyl sheet flooring is made from plastic-like materials. Vinyl is a synthetic resin made of polyvinyl chloride or similar chemical polymers (originating typically as univalent chemical radical CH2CH, derived from ethylene and fabricated into a very large range of products besides flooring, such as vinyl phonograph records, windows, building siding, containers, etc. Details are in this article at VINYL ASBESTOS SHEET FLOORING

In sum, your two photographs of Armstrong sheet flooring shown above include both the clearly-marked Armstrong brand on the flooring underside and a view of the white backing material characteristic of vinyl sheet flooring. The pattern of the exposed surface of the flooring is an older-style that I have not yet found in various product catalogs but one that from appearance I would guess could be more than 30 years old.

Advice for Handling this Flooring

Without knowing anything more about your floor covering, it would be prudent to treat this material as "PACM" or "Presumed Asbestos Containing Material" given its appearance, age, and lack of product specifics. (Sometimes we have success sending a flooring photo to Armstrong for identification.) If we knew when this sheet floor covering had been installed we'd be able to make a good guess about the chances that it contains asbestos - or not. Otherwise a lab test or confirmation from Armstrong would be required.

Typically sheet flooring that has not been glued to a subfloor can be simply rolled-up. You may have to remove edge trim strips to gain access to the material. Where the flooring is damaged you'll want to see the suggested articles below and certainly avoid using a vacuum cleaner unless it's a HEPA-rated unit.

If you were facing a costly dusty messy renovation that means following the dust control and asbestos risk reduction advice from expert sources. See

From your second pair of photos (shown below) the composition of your flooring could be confusing. What I see looks like a pine subfloor over which masonite-type hardboard may have been installed as a smoothing underlayment (to prevent telegraphing the original lines of subfloor up through the sheet floor covering).

Armstrong sheet flooring (C) InspectApedia LT Armstrong sheet flooring (C) InspectApedia LT

Indeed I doubt that your home is missing a hardwood floor. In many homes sheet flooring, at least in many rooms linoleum was installed directly atop the tongue-in-groove pine subfloor.

Reader Question: how to identify resilient sheet flooring - does this resilient flooring contain asbestos? how can I identify its brand or manufacturer? - Tests confirmed Asbestos content for this sheet floor product

How to identify sheet flooring that may contain asbestos (C) InspectApediaI recently purchased a 180 year old home and found some mystery resilient flooring under two layers of linoleum. We have sent off samples for asbestos testing but I am also interested in figuring out the vintage of floor.

Would you be able to provide your expertise in possibly identifying this product? I have been through your pictures and wonderfully helpful ID guide but just can't seem to make a positive identification, even of brand. We have not yet seen any identifying marks on the product either. I thought at first that it might be an Armstrong spatter

Your help would be much appreciated - I am researching the history of the neighborhood.

Figuring out when the first major kitchen renovation happened in this house would really help to complete some of that research. I'm also just incredibly interested in finding out what it is now that I've done so much research on the history of floor coverings!

If you are willing to help, here are the vital stats:

The product is in sheet form, with a width of of 72.5 inches. It goes the entire length of the kitchen floor (at least 14 feet) so must have been laid from a larger roll.

It has a black paper-like backing and sticky, tar-like adhesive. I have attached pictures.

Thank you very much and best wishes, L. P-F. 8/12/2013

How to identify brand and asbestos content of resilient flooring (C) InspectAPediaReply:

The article above as well the following two articles on resilient and sheet flooring

may be helpful to you. I will look through our library and will also publish your photos [above and left] and invite comments from other readers - keeping your identity private unless you ask otherwise.

The flooring in your photo looks like products I've seen dating from the 1970's and later. Some of these contain asbestos in the backer.

Based on the age of the home and the multiple of layers of flooring above the one about which you ask, I would treat the material as PACM (presumed asbestos containing material) until we identify it or you have a lab test result on the flooring's asbestos content.

Lab test results on the above flooring: no asbestos content.

We got our test results back and both the flooring and the backing were negative for asbestos. The results showed the flooring was 45% cellulose material and 55% non-fibrous material. The backing was 90% cellulose and 10% non-fibrous. Does this mean that the flooring is newer than we originally thought?

Probably but not necessarily for sure; certainly there have been some sheet floorings that did not contain asbestos. But from the combination of the lab results and your photo one would think the material is post 1986.

Reader Question: possible asbestos in vinyl sheet flooring from 1977

Sheet vinyl flooring ca 1977, possible asbestos-containing (C) InspectApedia JN

I have a house that was built in 1977 - not the first owner. In late December, one the kitchen wall cabinets fell off the wall causing me to push up remodeling efforts.

The kitchen floor had to come up. It has an initial layer of, I believe, vinyl sheet flooring. A self adhering tile floor was laid over top in 1988 or 1989 my an interim owner. Don't know what it is.

Photo at left: top view of 1977-era sheet vinyl flooring.

There are not markings as to the manufacturer on either (the self sticking tile may have some but getting them removed from the first floor is difficult).

I only had one thought - get the kitchen back to normal quickly. So in preparing for new cabinets, I decided to remove the floor. Not until it was (almost) up - needed to get some adhesive off - did I go to the internet. There I found out about asbestos. A little(?) late.

Included are some pictures of the floor's first layer of vinyl. Is it possible to tell me if it contains asbestos? I don't want to dump the floor inappropriately or subject my friends to "bad" air. - J.N. 1/10/2014

Sheet vinyl flooring ca 1977, possible asbestos-containing (C) InspectApedia JN Sheet vinyl flooring ca 1977, possible asbestos-containing (C) InspectApedia JN

Reply:

J.N. Given the age of the home and its initial vinyl sheet flooring as well as the presence of a light-colored vinyl backing shown in your edge view of this material, it would be reasonable to treat the flooring as PACM - Presumed Asbestos Containing Material.

I've posted your photos in case other readers can name the specific decorative pattern while we research the image further. I'm guessing this is an Armstrong vinyl sheet flooring product. The backer has been tested on some of that product line and confirmed as asbestos-containing from flooring of the age you indicate.

At
ARMSTRONG FLOOR TILE IDENTIFICATION 1974-1979 
you will see some flooring patterns that are not identical but quite similar to your photographs.

Usually sheet flooring is easily removed intact and is not a source of significant particulate debris as long as it is not ground, sanded, or similarly damaged. But to be extra careful you may want to follow asbestos flooring wetting - removal guidelines and to use a HEPA vacuum for jobsite cleanup. If you were facing a costly renovation or cleanup of a mess someone already made it might be cost-justified to have a certified asbestos testing lab test the material.

The disposal of removed vinyl flooring that may contain asbestos is regulated as asbestos-waste in some jurisdictions while I have found that in others the material is disposed-of as construction debris. Check with your local building department.

Reader Question: sheet flooring identification for possible asbestos content?

Older sheet flooring may contain asbestos (C) InspectAPedia M.We have a 1910 house that we are renovating. Under the carpet in a hallway is sheet linoleum. It does not exactly match any of your photos. We do not want to pull up a piece, so we don't know what brand it is or what the backing looks like.

Is the flooring in the photo attached an asbestos-containing floor?

[We found this when removing flooring in an older home. We don't want to pull the flooring up so we don't know if it has markings on its back or not. ] - D.M. 7/28/2014

Reply:

I've not see this exact pattern but it's similar to some 1970's patterns that did contain asbestos. It would be prudent to assume the flooring contains asbestos. If you are able to leave it in place and cover it the risk of asbestos release is most likely below the limits of detection. If it must be removed and can be removed in one piece (not glued down) risks are similarly small.

See these InspectApedia articles

ASBESTOS FLOORING HAZARD REDUCTION
and
ASBESTOS FLOORING REMOVAL GUIDE

if flooring removal is needed.

Reader follow-up:

It does resemble the Armstrong pebble pattern on your website. It was glued down at the entrances to the doors but does not seem to be glued all over. An electrician was working in the house and made a hole through the entire floor, which is how we first discovered this flooring under the carpet. Other than that spot and one missing chunk at a doorway, it is completely intact.

We had planned to peel it off using hot water and sand the floors. We have done that with 1980s era vinyl tile, but have not attempted any removal of older flooring.

Finland Sheet Flooring Products that May Contain Asbestos

The discussion of Finland or Finnish flooring that may contain asbestos has moved to FINLAND VINYL SHEET FLOORING POSSIBLE ASBESTOS - separate article.

Swedish Flooring Products that May Contain Asbestos

This discussion has moved to SWEDISH TARKETT FLOORING POSSIBLE ASBESTOS - separate article

Older sheet flooring that Does Not or is Unlikely to Contain Asbestos

Linoleum sheet flooring ca 1935 (C) InspectApedia E.P.

This discussion has moved to SHEET FLOORING NON-ASBESTOS EXAMPLES - separate article. Shown above: traditional linoleum flooring.

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