Green Options » wood joists http://greenoptions.com/tag/wood-joists Posts tagged 'wood joists' Mon, 29 Oct 2007 15:55:08 +0000 http://wordpress.org/?v=2.5.1 en The Efficient Materials Trap http://greenbuildingelements.com/2007/10/29/the-efficient-materials-trap/ http://greenbuildingelements.com/2007/10/29/the-efficient-materials-trap/#comments Mon, 29 Oct 2007 15:55:08 +0000 Philip Proefrock http://greenbuildingelements.com/2007/10/29/the-efficient-materials-trap/ Efficient materials can sometimes seem to be the ideal path for green building. If we can find a way to more efficiently produce the materials we need to build our buildings, it would seem that we would be well on our way to reducing our impact on the planet.

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