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  • 1.  sealants and off-gasses in archive

    Posted 03-25-2016 12:10 PM

    Planning construction of an archival space (which will house rare books and manuscripts), our contractor has inquired if we are comfortable with them using "Aquaria 2000 Cure & Seal" for the concrete floors, or if we have concerns about off-gasses from the product that could harm our collections.  The product information (attached) says no VOC/VOS content, no "pollutants," and that it is "non-toxic."  These terms seem rather non-specific.  Does anyone know if this product is safe to use in an archival space, or what, exactly, we would need to know from the manufacturer to make that determination?  Any suggestions would be very helpful!

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    Erin Sutherland PhD
    Special Collections, University Libraries
    Washington University in St. Louis
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  • 2.  RE: sealants and off-gasses in archive

    Posted 03-28-2016 09:41 AM

    I would be suspicious in that they posed the question before staff could. I think they may have had issues with this product in the past and are trying to cover their bases. I am not familiar with this particular product, but the red flags are going up for me.

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    Betsy Deiterman
    Master of Arts in Museum Sciences
    Recent graduate of Texas Tech University
    Seeking her first Big Break into the field



  • 3.  RE: sealants and off-gasses in archive

    Posted 03-28-2016 09:46 AM

    There is no simple answer for such questions. As you suspected, a manufacturer's assurances of a product that is safe and environmentally friendly may not jibe with standards for archival or museum collections. There are many substances that can cause problems in that regard, and VOCs are only a small part of the overall issue. The best approach is often to find a conservator who will work with you to test this and other materials that will be in your new space. Commercial products generally do not list all ingredients, and even if they did, formulations are subject to change any time. In our museum we once encountered a cleaning material that promised everything, but ended up causing rapid fading of our exhibit graphics. We subsequently changed our cleaning methods, schedule, and materials. You can't be too careful.

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    Bruce MacLeish
    Curator Emeritus
    Newport Restoration Foundation
    Newport RI



  • 4.  RE: sealants and off-gasses in archive

    Posted 03-28-2016 09:47 AM

    Could that be Aquron  Cure and Seal?

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    Betsy Deiterman




  • 5.  RE: sealants and off-gasses in archive

    Posted 03-28-2016 10:06 AM

    Yes it is Aquaron.  Thanks, autocorrect! 

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    Erin Sutherland PhD
    St. Louis MO



  • 6.  RE: sealants and off-gasses in archive

    Posted 03-28-2016 10:21 AM
    Erin there are floor treatments that are inert. A product that lists no
    VOC,s may still have heavier volatiles called SVOC,s in plain English
    semi volatile meaning they just take longer to be emitted. VOC,s referee
    to a specific list not to all VOC,s so it's a bit tricky and not all
    ingredients are required to be listed on an MSDS declaration.There may
    also be other concerns but it would require a review of the actual
    formula ingredients. You could ask if the product has been reviewed and
    listed on a green list but this also unfortunately is not a guarantee
    but a good place to gather additional information. Unfortunately I am on
    vacation but if you are not in a hurry I could forward a list in mid
    April, or look up a few if you need it now. Ed




  • 7.  RE: sealants and off-gasses in archive

    Posted 03-29-2016 12:52 PM
    Hi Erin,
     
    I can’t speak to archival quality but in terms of chemical concern and VOCs, you might consider selecting a concrete sealer that meets the Red List criteria. The Red List represents the “worst in class” materials, chemicals, and elements known to pose serious risks to human health and the greater ecosystem. More information about Red List can be found here: DECLARE AND THE LIVING BUILDING CHALLENGE | Declare
     
    A low VOC product may or may not contain harmful chemicals, early low VOC paints as an example, but products that comply with Red List should have very low to no VOCs and the ingredient transparency would simplify the measure of impact on the collections if any.
     

    The Ecos Concrete Sealer is listed as Red List Free on Declare, a transparency platform to help project teams select materials that are free of worst-in-class toxins, and support a materials industry that safeguards the health of the environmental and workers throughout the supply chain. ECOS Concrete Sealer | Declare

    The manufacturer has pursued multiple avenues for materials transparency and also has a Health Product Declaration, which is a standard that provides guidance to accurately disclose the material contents of a building product using a standard, consistent, and transparent format. ECOS PAINTS | Paints and Primers

    If you have any additional questions about this subject area, I'd be happy to discuss.

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    Karin Miller
    Sustainability Manager, YR&G
    Portland, OR



  • 8.  RE: sealants and off-gasses in archive

    Posted 03-29-2016 09:28 PM

    I suggest you call the manufacture directly and talk to them.  Ask them what type of projects they have used it on.  There are many products out there that can provide the same results.  In most cases, these products result in a chemical reaction with the concrete, leaving no materials behind.  You can download the product information sheets.

    Also ask the contractor why he selected this particular product of the others that are available.  Euclid chemicals has similar products.

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    Richard Cronenberger
    Collections Preservation and Facilities Specialist
    Littleton CO