[Strawbale] airtight plaster
dave at howorth.org.uk
Sun Dec 15 18:05:42 CET 2013
Our project is moving on; we now have some foundations and are waiting
until spring to start the baling. I was reviewing airtightness details
and came across your document again, which is very helpful. I wondered
whether you had now done another test and what you had learned in so
On Sat, 2012-06-16 at 11:31 +0200, Sebastien Hubert wrote:
> Hello Dave,
> You are welcome.
> Of course I'll send the information about the second blower door test as
> soon as it is done.
> I was just looking to some anglo-saxon brochure and can't indeed find
> the DA. By the way, DA-s is just a DA that is 20cm broad...
> You can find the DA caracteristics on page 7 of this Pro clima pdf sheet :
> Proclima INTESANA and DASATOP are also good.
> In my document, you should read Unalit and not Unatit. Unalit is a wood
> pannel (2.5mx1.2m). I let them cut it in pieces of 2.5mx0.04m. I use
> them to fix the airtight membranes and also sometimes the contega tape.
> You can see it on the 2 following pictures. Unalit is marked with a
> (beautiful;-) arrow :
> Hope this help you...
> By the way, if somebody is using other materials for the air tightness,
> I would be happy to know them...
> On 16/06/2012 01:31, Dave Howorth wrote:
> > Thanks Seb! (and belated thanks to RT and Sarah as well).
> > That's exactly the kind of information I was hoping for and very
> > encouraging for our project. I'd be really interested to learn about the
> > results of your next test when you do it, and especially anything that
> > you discover about where the air is leaking.
> > I have a couple of questions about details of things in your document:
> > - what's a proclima DA membrane?. In the proclima catalogue I have, I
> > can see some tape called DA-S that is green and described as "Airtight
> > vapour check sealing strip". There is also a membrane called Intesana,
> > which is described as "a combination of exsting DA fleece with the
> > intelligent INTELLO film". But DA fleece is not listed. Is it something
> > not available to Anglo-Saxons, or just a different name for something?
> > - Also, what's Unatit - google doesn't show me anything relevant.
> > Thanks again,
> > Dave
> > On Fri, 2012-06-15 at 22:41 +0200, Sebastien Hubert wrote:
> >> Hello all,
> >> Please find below my answer to Dave. But the file is too big.
> >> You can download it on :
> >> http://www.mc2000.be/docs/air_tightness_straw_bale_house.pdf
> >> Cheers
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