The Green Directory - part of SUST.org

07 Ecological Materials

"The Building Industry is the largest consumer of raw (non-renewable) materials in the world today after food production. A major guiding principle for the future should be a drastic reduction in the use of raw materials. This is best applied to the less common non-renewable resources, but is also necessary for others." Bjorn Berge, The Ecology of Building Materials, 2000

At the beginning of the 20th century, about 50 materials were used in buildings. Now, about 55,000 building materials are available, and over half are man-made.Roalkvam D., (1997) Naturlig Ventilasjon NABU/NFR
<a href="http://www.hermesoutlets.us/">Hermes outlet</a>
"The relationship between materials and the comfort of the internal environment of buildings cannot be overstated. Obviously, to be able to judge the robustness of a specification or construction detail it is essential to understand the natural characteristics of a material (or set of materials) under consideration.

When selecting a building material, consider;
• Resource quantity
• Renewability and use of sustainable management practices
• Local content and reduced transportation
• Recycled content
• Life-cycle cost and maintenance requirements
• Resource recovery and recycling
• Regionally appropriate materials
• Reused materials"
National Green Specification

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