[Strawbale] Waterproofing bathrooms, circular buildings and other questions

[Kitta Potgieter]

Hi Ruth,

Just a note of warning about your plan for a building with large windows on
one wall (whether for solar gain or just for the benefit of a nice view): We
built a 20 x 5 metre loadbearing studio with the long walls facing north and
south.  The south side has two large glass sliding doors (about 30% of the
wall area - which Huff'n'Puff thinks is ok) whilst the north wall has only
two tiny windows.  The building has a shallow mono-pitched roof with the
heavy side of the roofplate on the south.  This means that the heaviest side
of
the roofplate is on top of the weakest wall.  Also, we live in wet NE
Scotland
where the sun-facing south wall dries out much faster after
rain than the north wall and therefore compresses more easily.  The effect
of
the weight of the roof's heavy side on the dry and relatively weak south
wall
was that it compressed the south wall significantly more than the north
wall.
This unequal compression is quite visible on the side walls which slope
towards
the south.  This could have been worse as after the bales were fully
compressed, the weight started to push the bales out towards the corners.
We received good help and it's stable now, but it could have been nasty.
You may avoid our problems if your building is smaller, but be cautious.
With unequal walls, infill might be a safer option.

Kitta

----- Original Message ----- 
From: "Chug." <chug at strawbale-building....uk>


| Hi Ruth
| ......
| 4. Again I agree with El lupo's comment that you do need so much glass
when you have good insulation like straw bale walls.
|
| bale on
| Chug
| chug at strawbale-building....uk
| http://www.strawbale-building.co.uk/
| http://www.biofuel-uk.net/
| http://www.biodieselcommunity.org/
| .
| ----- Original Message ----- 
| From: "Ruth Walker" <walker_re2002 at yahoo....uk>
| To: <strawbale at amper....muni.cz>
| Sent: Sunday, October 30, 2005 9:31 PM
| Subject: [Strawbale] Waterproofing bathrooms,circular buildings and other
questions
|
|
| Hello strawbalers,
|
| I'm new to this list, having been recommended it by Chug on his course
| at LILI in September. Thanks Chug...
|
| I have lots of questions:
|
| 1) Does anybody know anything about waterproofing bathrooms that have
| strawbale walls?  I was looking at the moroccan technique of Tadelakt a
| kind of waterproof plaster finish using lime, egg yolks and soft soap.
| Has anyone tried this?
|
| 2) We are planning on building a 12 x 5m garden workshop at my place of
| work. Does anyone have any idea if this would be considered an
| outbuilding? I've tried to go to the planning departments website but
| its not that helpful. Are there any basic guidelines. Has anyone had
| experience about building at a workplace? We're in Oxfordshire if that
| helps.
|
| 3)What is the minimum circle diameter anyone has used succesfully with
| strawbales?
|
| 4) How feasible is it to have a loadbearing strawbale building with one
| wall of mainly glass or at least windows. Or would it be better to have
| some sort of timber frame... what is a good ratio of glass to bale?
|
| Thanks in advance,
|
| Ruth
|
|
|
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