[Strawbale] OSB and SB

Henk Van Aelst henk at henkvanaelst...
Mon Jul 12 15:06:18 CEST 2010



I like a lot of combinations and think it is good to use the right solution
for the right person. 

People survived by flexibility.

Panelling (wooden planches and vapour screen is also OK) can be very handy.
With the strikt building regulations from Austria and Germany it may well be
the only sollution.






Henk Van Aelst

TF 0032 / 15 22 51 43

 <mailto:henk at henkvanaelst...> henk at henkvanaelst...

Hertstraat 52

Gsm 0032 473 66 17 92

 <http://www.henkvanaelst.be/> www.henkvanaelst.be

2590 Berlaar  

BTW BE 480.118.920  

 <http://www.ecoforum.be/> www.ecoforum.be   





Van: strawbale-bounces at amper....muni.cz
[mailto:strawbale-bounces at amper....muni.cz] Namens Max Vittrup Jensen
Verzonden: maandag 12 juli 2010 12:37
Aan: strawbale at amper....muni.cz
Onderwerp: [Strawbale] OSB and SB


The response from Henk makes me think of another subject where I'd love to
learn more, and perhaps the knowledge on this list can help this?

I'm aware that:
-An alarming number of Hurricane Katrina survivors got severe health
problems (some died) from being relocated to emergency mobile homes made
from fresh OSB.

Use 0 formaldehide

-In comparative research on particle board, plywood and OSB, the OSB ranks
as the highest for fungi susceptibility.

Use it In dry inside conditions
-Last year I read that 60% of OSB on the European market came from
threatened rain forest.

Is that the case for Stirling plates?
-I've been made aware that the production of OSB (and burning of wood chips)
has caused a 'vacuuming' of the forest floor, reducing the necessary amount
of carbon in forest eco-systems.

That the proces doesn't leave left overs doesn't mean that the wood should
come frome the forest Floor.

-As part of my University research in 2008, I made a price comparison
between using solid wooden boards compared to OSB and investment was equal
(in CZ), only the time of mounting it spoke in favour of OSB.
-OSB may act as a ticking bomb in case of poor detailing by the construction
company, allowing moisture to get to the OSB: they will rapidly turn black
with fungi spores, but without visual signs for the occupant. 

All biological material does
-What does OSB do to the 'breath-ability' of the house?

No breath-abillity is OK for some people, just ask and you will know. 

-How far does your OSB travel? The 'baubiologie' approved brand from
Scotland may be great on the British Isles, but how appropriate is it on
mainland Europe? 

There is no lime in the Netherlands. 
-I'm convinced that (beyond the 4 good points mentioned yesterday by Derek
and ?), there's a special 'marriage' happening between the integration of
the earth plaster and straw, which provides additional positive feed-back
loops which our isolated scientific science approach have not yet proven. In
other words; this is typically lost when useing OSB. (stays if the french
dip is applied, but bales has to be mighty dry before installing to avoid
fungi in the OSB).

So, with that out in the open: Please "Teach me Tiger"....????

Max Vittrup Jensen
PS: On my first construction jobs back in '91 in USA OSB was the hot 'green'
approach to stick-frame housing. I've were an advocate of it for years and
do have some in storage. I'm simply pointing out that there's reasons to be

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