[Cob] building codes

[joe r dupont]

what about corugated cardboard???  I have access to that...
On Sun, 6 May 2007 10:17:19 -0700 Dirtcheapbuilder-Charmaine
<tms at northcoast.com> writes:
> you can do the same with lime and shredded paper, as in the Chineses 
> 
> recipe I refer to.
> 
>   soaking for a 2 WEEK period with just enough water, breaks down 
> the 
> paper, and a quick rototilling mix may do a similar job.. you get a 
> 
> cottage cheese type plaster that can be altered significantly with 
> sand.. gritty Mexican style wall plaster or less sand makes and old 
> 
> work softer plaster.   try it too.
> 
> here is the recipe again.
> 
> Chinese recipe for Paper Lime plaster [interior use]A  By WEIGHT-1 
> part 
>   (lb.)  chopped/shredded paper-office paper – or newspaper 
> insulation 
> to 10 parts (lb.)  soft lime putty (type N or S hydrated lime soaked 
> in 
> water 48 hours) Mix  well in large bucket or bin with tight lid. 
> Seal 
> lid. Let mellow 2-4 weeks, stir in 1/2-1 parts  sharp sand to make 
> more 
> trowelable. Mix with paint stem/paddle blade to make creamy.. Spread 
> on 
> wall by hand or trowel. Sculpt and  dry. feather edges thin at stop 
> 
> points. Can be limewashed; embed tiles while soft.   Adding extra  
> sand 
> gives a stronger, more old  world  plaster/mortar look; for outdoor 
> use 
> eliminate paper or coat with sealer, or waterglass. Note from 
> Charmaine: Successfully applied to  new and old DRYWALL, particle 
> board 
> on my work studio & bathroom walls.
> AND used outside in weather as an external plaster!!  still sticking 
> 
> and staying in place, with a thin layer of waterglas applied  one 
> time, 
> 2 years ago.
> 
> 
> Charamine
> 
> 
> 
> On May 6, 2007, at 7:10 AM, <raduazo at cox.net> wrote:
> 
>         Someone talked to my last week about doing a plastering 
> project 
> in New Orleans. I have mixed cob with a rototiller and I have mixed 
> 
> earth floor material with a rototiller, but never plaster.
>         This week I did a very small scale test on plaster which I 
> think 
> could be ramped up to large scale production. I started by putting a 
> 
> bundle of news papers in a soaking pit and after two days removed 
> the 
> papers and tore them into strips. (The soaked paper tears very 
> easily.) 
> I then put it in a mixing pit and turned it for a bit with fire clay 
> 
> ($12. per 50 pound bag from places that sell brick laying supplies.) 
> 
> The result is a light clay insulating material with a little clay 
> and a 
> hard plaster with more clay. The light material could be molded and 
> 
> dried into blocks to fill cavities for insulation and the hard 
> material 
> makes a fairly decent wall plaster for covering a lath.
>           You can, of course, substitute screened clay for the fire 
> 
> clay. I usually dry clay, break it up with a tamper in my concrete 
> slab 
> and pour the powder through a screen.
>               If anyone has a project where insulating blocks might 
> come 
> in handy it would be nice to see someone else experimenting with 
> this 
> and other new materials.
> Ed
> 
> ---- joe r dupont <joedupont at juno.com> wrote:
> > one more time.. houses should be able to be built as 
> experimental..
> > period. if you buy an experimental home .. its your risk.. that's 
> all
> > it is called freedom..  like i said.. if i lived in an earthquake 
> area 
> >  i
> > would sleep under a  steel cage to stop from being crushed.
> > not a bad idea.
> > joe
> > On Fri, 4 May 2007 15:21:12 +0100 "Wesley Sandel" 
> <wsandel at gmail.com>
> > writes:
> >> I've been reading the posts on building codes.
> >>
> >> It's true, it seems pretty damn silly that you can't just build
> >> whatever you
> >> want to live in, but often have to conform to all kinds of 
> standards
> >> that
> >> may seem to make no sense (except in most rural areas, where
> >> apparently you
> >> can just build whatever you want anyway).
> >>
> >> But not all codes are just attempts by big brother to force you 
> to
> >> give your
> >> money to corporations.
> >>
> >> I've spent a good bit of time in Central America. After awhile I
> >> started
> >> remarking on how ugly and expensive all the structural concrete
> >> homes were,
> >> and how much cheaper and more liveable the natural product homes
> >> were. Then
> >> it was pointed out to me that every 20 years or so they have a
> >> series of
> >> horrendous earthquakes and lots of natural homes fall down on
> >> people, so
> >> they've fallen out of favor. The locals have opted, without code, 
> to
> >> use
> >> steel reinforced concrete when they can.
> >>
> >> I was involved with a non-profit in Houston, building low cost
> >> housing. On
> >> one project, someone hung the drywall before the electrical was
> >> inspected,
> >> and the city inspector made us cut holes in the drywall every 
> few
> >> feet to
> >> verify that everything was up to code. We were pretty upset. But 
> the
> >> fact
> >> is, a lot of contractors will cut corners to save money, and one 
> of
> >> the
> >> functions of the code is to prevent that happening and 
> compromising
> >> safety.
> >>
> >> Codes are often safety driven.
> >> _______________________________________________
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> >>
> >>
> >
> >
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> 
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> PO BOX 375   CUTTEN CA 95534  USA
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