[Greenbuilding] New Type of Chipboard
conservationarchitect at rockbridge.net
conservationarchitect at rockbridge.net
Mon Sep 22 07:47:19 CDT 2014
Please elaborate on your judgment of OSB, ErgoDesk.
Though, traditional plywood is superior as a building product, I have found OSB adequate as structural sheathing. My hunch is that relying on chips for the primary material allows smaller parts of the tree to be used. Other things being equal, the lower price is a factor. If the price is lower because less resources and embodied energy is required that is good. I the price is lower because the environment is sacrificed that is bad. The primary question for plywood, OSB, and cornstalk chipboard would be the glue that binds them together. Any knowledge of this on the list?
Eli
From: ErgoDesk
Sent: Tuesday, September 16, 2014 5:38 PM
To: Green Building
Subject: Re: [Greenbuilding] New Type of Chipboard
Other than, OSB is simply CRAP and should not be used in construction, well at least till we get Climate Change in check.
http://about.me/StyroHome
On Tue, Sep 16, 2014 at 2:07 PM, John Straube <jfstraube at uwaterloo.ca> wrote:
Corn stover is routinely worked back into the soil as it increases the resistance to erosion and increase organic structure and potash. Farmers who don't look forward more than a year or two will bale up stover and there have been plans for using this for biofuels and other products but none that I know has ever been widely adopted. OSB is often made from fast growing small trees like Aspen and the trees are fairly sustainable : no fertilizer or pesticides just good management and patience. Not a huge problem that needs to be solved.
Sent from my BlackBerry 10 smartphone on the Bell network.
From: sanjay jain
Sent: Tuesday, September 16, 2014 17:00
To: Green Building
Reply To: sanjay jain
Subject: Re: [Greenbuilding] New Type of Chipboard
> Has anyone seen any data on the trade-offs on this? On the face of it, pulling all the organic matter out of the soil to make building products will obviously require adding more fertilizers (and, perhaps, more pesticides) to get the next crop. This seems like the definition of not sustainable.
I'm guessing that most of this is not normally returmed to the soil anyway.
~sanjay
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