[Strawbale] airtight plaster

Sebastien Hubert sebastien.hubert at mc2000.be
Sat Jun 16 11:31:11 CEST 2012

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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