[Greenbuilding] [BULK] Bamboo...how about hemp

[Thomas Lewis]

an example of wheat and rice straw use
http://www.durra.com/green/green.php

pretty decent product, 

I'm sure the site lists the pros of the product, 

so here are some of the cons we observed;

heavy as all get out (2.25"x4'x10' sheet was
guestimated at 250lbs.), 

vertical runs in it for electric that we didn't use
seemed like they would be hard to run line in,
 
required extra bracing wherever we could for long runs
(ie stiffening framing in perpendicular walls with
diag bracing), long runs with no perpendicular walls
were doubled up with firring glued in between.
 
after paint the wall had a somewhat textured
appearance
and I happen to be allergic to the dust created from
cutting 

tom

--- Tim Vireo Keating 
<t.keating at rainforestrelief.org> wrote:

> Actually, we've opposed the use of hemp for paper
> for the sole reason 
> that those promoting its use are often talking of
> planting the hemp 
> as an "on-purpose" crop specifically for production
> of paper or 
> building products. There's something on the order of
> 200 million tons 
> of agricultural residue already generated in the US
> that would make 
> excellent paper (a small amount of bagasse - sugar
> cane stems - is 
> used in the south). In fact, back a few years when I
> looked into it 
> (1995?), ag-res was the fastest growing sector of
> the paper industry 
> globally. The US uses little of it and growth is
> stagnant. Brazil, 
> India, China and many other countries are utilizing
> large amounts of 
> ag-res for paper production and the use is on the
> rise. There's 
> simply no reason to grow crops (or trees)
> specifically for paper.
> 
> That said, hemp can and should be grown for seeds,
> as the oil is 
> superior for both food and industrial uses. Then the
> stalk becomes 
> ag-res.
> 
> The same is true for kenaf. Given the amount of
> ag-res already 
> generated in the US (and often burned), it makes
> little sense to grow 
> crops for fiber-based building materials where the
> fibers are going 
> to be chipped or ground up in some way (like MDF).
> Wheat straw, rise 
> straw, etc. - these can all be made into excellent
> boards.
> 
> tim keating
> 
> At 10:52 AM -0600 2/9/07, Lawrence Lile wrote:
> >Yeah, except for the baggage.....
> >
> >"Yup, I'm doin' 10-20 for having a rope farm." 
> >
> >Industrial hemp would be an ideal crop to make
> paper out of, if our
> >nation's laws were written rationally instead of in
> response to
> >hysteria.  
> >
> >Lawrence Lile, P.E., LEED AP
> >
> >-----Original Message-----
> >From: greenbuilding-bounces at listserv.repp.org
> >[mailto:greenbuilding-bounces at listserv.repp.org] On
> Behalf Of Ken Beiser
> >Sent: Friday, February 09, 2007 10:18 AM
> >To: Greenbuilding at listserv.repp.org
> >Subject: [BULK] [Greenbuilding] Bamboo...how about
> hemp
> >Importance: Low
> >
> >Isn't industrial hemp going to be a greener
> approach than even bamboo?
> >
> >Ken
> >Whitefish
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> -- 
> 
> 
> "The Earth and myself are of one mind. The measure
> of the land and the
> measure of our bodies are the same..."
>      	                               - Hinmaton
> Yalatkit, Nez Perce chief
> ____________________________________________
> 
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