Alternative Building Systems

Information on energy and/or material efficient construction systems, modular construction and other emerging technologies.

http://www.sips.org/
Information on structural insulated panels provided by the Structural Insulated Panel Association.

http://www.toolbase.org/Technology-Inventory/walls/Insulating-Concrete-Forms
Information on insulated concrete forms.

http://www.greenroofs.org/
Information on green roofs by a not-for-profit industry association. Includes a "Green Save" calculator.