Anybody know of any links to polyurethane spray on type roof insulation. Im skint, but have a compressor etc so wish to try diy!! Any previous experience welcome - (think there may be a primer involved?) Cheers Dave
The stuff generates it's own pressure as it is mixed so you don't need a compressor.
But then again you don't need to spray it anyway - use Kingspan or Celotex which is much cheaper and does a much better job.
Perhaps I should have said I wished to insulate the underside of asbestos roof sheets, both to seal them and insulate them.
Ah. Definitely a spray job. But you may need to PVA the sheets first. Look at the Foamseal site as an example of what is available but you can get these cheaper on Ebay via importers.
Spray on foam traps water, results in timbers rotting. Just a matter of time till foam sprayed roofs start collapsing. If your roof uses steel, I would expect same problem, though would take longer to manifest. Is the absestos at home or at work? Either way check here:
NT
Don't see how you can say that. Only this weekend we accidently knocked an asbestos sheet on our barn and quite a few fibres came fluttering down. We got out of the way and hosed it down later but I would strongly recommend some form of sealing.
I'm guessing you didnt follow the link and read the report there. :)
This is still the popular belief. The report above fairly thoroughly dismantles it.
NT
If you mean the report in the top right hand corner I read it and found it thoroughly unconvincing I'm afraid. And as my dad died of inhaling asbestos I play it safe.
It looked pretty good to me, did I miss something?
Lots of people have died from asbestos sadly, but from blue and brown, not white, which is a fundamentally different substance that unfortunately shares the same 'asbestos' name.
Regards, NT
Although white asbestos is a different substance, this report overdoes its downplaying of the risk of the substance. Its assertion that because other fibrous substances are more hazardous, the use of chrysotile should be allowed is flawed in my view. Instead I believe that all these substances should be banned or highly restricted.
The other thing I have a problem with is some of the language used in the report. An unbiased scientific report would never quote some of the third-party statements used, or if it did it would ensure a balance of such statements for and against their argument. This report does neither, for example in the paragraph "Many people know of someone affected. Unfortunately mis-information abounds, much of it deliberate, which is spread wide by a media looking for sensation." The statement "much of it deliberate" is not the language one expects in a scientific report, or if one does make such a strong statement it needs proof to be attached.
And unfortunately my father did die of white asbestos. He even knew the day he was exposed to it, unfortunately in a very large quantity.
I dont believe that was really the thrust of the report though. The tables and associated inforamtion sees to make it clear that there was no link whatsoever between white asbestos / chrysotile and lung disease. What you say may have been offered as a secondary backup point rather than the central one.
I would have to disagree on that point. Some reports bend over backwards to be uncontroversial, but this one is bound to be controversial from day 1, a report saying white asbestos is safe can not escape that position. IME such reports routinely contain statements that raise questions like that. The report reports specifically on the safety of chrysotile question, it does not need to also get into sociopolitical questions any more than is really necessary for the point of the report.
I hesitate to discuss such a delicate matter. I know one of the tables in the report does address this, and I think quite soundly. If you want to discuss it, we could. I could say its very sad what happens in life, I dont feel that would even begin to do it justice.
Regards, NT
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