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Posted By Ron Hunter
Anyone out there got any evidence (including historic, or even anecdotal) of asbestos content in the paint, fabric or textile backing of the old up-and-over roller type blackboards once common in all our schools?
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Posted By Haggis JM
Must admit I've not heard that one before, and one of the companies I used to work for did a lot of schools.
Mind you, nothing would surprise me when it comes to asbestos...
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Posted By Robert B.
They certainly exist, although in my ten years experience I've only seen one. If it helps, it was a hard sheet (asbestos cement, if I remember rightly) and a right bugger to sample!
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Posted By CFT Ron It relates to 'older boards' and would have been white asbestos in minute quantities; generally surveys that have been conducted within schools consider risk values to be zero unless as with a handful an over zealous caretaker or 'someone' decides in their infinite wisdom to fix a new surface to the existing one which is invariably drilled out first for fixings this allowing small particles to escape, and I do mean small. http://www.asbestosexpos...osure%20in%20schools.pdfMay help in your research although I have not searched the document for reference points.As with any ACM it is generally fine when left undisturbed as long as it has been identified by survey. Sorry I couldn't help more. CFT
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Posted By Mitch
Paragraph 21.3 refers to the American EPA, might be worth doing a tinternet search on America.
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Posted By IOSH Moderator
Your posting brings to mind a blackboard that was usually composed of three strips of heavy duty cloth with a black surface. They were joined in a loop like a roller towel, with a push bar at each junction. Sometimes they were wall mounted, but often they were free-standing in a wooden structure.
I would imagine that, due to the construction and use, they would be vulnerable to shedding fibres.
I would hope that they did not contain asbestos. If I had one I would be inclined to have it checked out.
Jane
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Posted By Ron Hunter
Thanks Jane. These are the type I had in mind.
I will be having a read through the above link document before I consider my next move.
Thanks to all so far - more information always welcome.
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Posted By Mitch
Ron,
Blackboard rollover cloth - usually oilcloth.
Some blackboards were manufactured with asbestos in the cement mix for the boarding, sealed with the paint the only reference to this type is in the USA.
Mitch
Nearly Peddy time!!
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Posted By Alan Hoskins
Ron,
Sorry I can't remember where I read about this, but apparently, the black and green coated boards popular in the seventies contained white asbestos in the coating.
Exposure could occur if they are sawn up for other uses, and they need specialist disposal.
Alan
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Posted By Ron Hunter
Thanks for the responses folks. My thought is that over years of continuous use an "up and over" roller type board might be prone to fibre release via friction.
If oilcloth, that wouldn't be an issue.
CFT - that link is worth a read if your work involves ACMs, if only for the emotive context. That said, some of the content and conclusions therein are somewhat subjective. The suggested link to an epa document containing reference to blackboards turns out to be a dead-end.
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Posted By Dave Wilson
We have come across blackboards made from AIB still being used in schools, when we tell them they are absolutely horrifed.
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Posted By Cas
Ron
I have come across quite a few blackboards made from asbestos cement and even AIB which have been painted with black sealant, although not the up and over type. Can you confirm that the boards you are asking about are a flexible resin type material? Will need to keep an eye out for these in future.
Cas
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Posted By Ron Hunter
CAS - I am interested in the flexible roller type of blackboard (free-standing or wall mounted) although I must stress that I have no evidence to suggest that type contained ACMs (hence my posting).
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Posted By Robert B.
Why was my post deleted??
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Posted By GeoffB4
You'll never know, I'm still waiting for an explanation for one over 3 months ago!
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Posted By Ron Hunter
Robert, please try again, or else drop me an e-mail?
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Posted By Robert B.
I swore, apparently... which is fair enough. What I meant to say was, the asbestos blackboard I sampled was (ahem) difficult to sample... Sorry for any offence I may have caused
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Posted By IOSH Moderator
Moderators do try to honour their promise to contact people. However there are several of us (so sometimes one of us thinks another will be doing the e-mail), we have busy lives and sometimes we just plain forget.
Jane
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