[Cob] building codes
joe r dupont
joedupont at juno.com
Sun May 6 12:24:53 CDT 2007
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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>
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