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Green Building Materials

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rasha
25 diapositives · 738 Views · Jan 25, 2013

Green Building Materials. Autumn Salamack ESM 595 F November 9, 2000. Outline. Overview of green buildings Principles of green building materials Examples: roofing and floor coverings Conclusion. Green Buildings. Holistic approach Sources and impacts of materials

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Green Building Materials
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  1. Green Building Materials Autumn Salamack ESM 595 F November 9, 2000

  2. Outline • Overview of green buildings • Principles of green building materials • Examples: roofing and floor coverings • Conclusion

  3. Green Buildings • Holistic approach • Sources and impacts of materials • Mechanical system efficiency • Site / building relationship • Innovation

  4. Save energy Recycle buildings Create community Reduce material use Protect and enhance the site Select low-impact materials Maximize longevity Save water Make the building healthy Minimize C&D waste Green up your business Principles of Green Building

  5. Building Materials • Materials form a large part of the overall environmental burden of buildings • Raw material extraction • Waste and pollution associated with manufacturing • Material installation • Public health risks • Disposal

  6. Material Life Cycle Assessment • Resource extraction • Manufacturing and transportation • Installation • Operation and maintenance • Salvage, recycling and disposal

  7. Principles of Green Materials • Choose products: • made from environmentally attractive materials • that are green because of what isn’t there • that reduce environmental impacts during construction, renovation or demolition • that reduce environmental impacts of building operation • that contribute to a safe, healthy indoor environment

  8. Products made from environmentally attractive materials • Use: • salvaged products • products with post-consumer/industrial recycled content • certified wood products • rapidly renewable products • products made from agricultural waste material

  9. Products that are green because of what isn’t there • Use: • products that reduce material use • alternatives to ozone-depleting substances, PVC and polycarbonate • alternatives to conventional preservative-treated wood • alternatives to other components considered hazardous

  10. Products that reduce environmental impacts associated with construction • Use: • products that reduce the impacts of new construction • products that reduce the impacts of renovation • products that reduce the impact of demolition

  11. Use: building components that reduce heating and cooling loads energy & water conserving components renewable energy and fuel cell equipment products that prevent pollution or reduce waste Products that reduce environmental impacts of building operation

  12. Products that contribute to a safe, healthy indoor environment • Use: • products that don’t release significant pollutants into the building • products that block the introduction, development or spread of indoor contaminants • products that remove indoor pollutants • products that warn occupants of health hazards in the building

  13. Roofing Asphalt / fiberglass composition Aluminum / steel Metal Floor Coverings Wood Natural linoleum Carpeting / carpet pads Focus Building Materials

  14. Durability Recycled-content Recyclability Pollution (embodied energy) Principles Discussed

  15. Roofing Criteria • Durability • 25-year minimum warranty • Color • Use light colored roofs • Increases durability • Decreases reliance upon mechanical cooling

  16. Asphalt / Fiberglass Composition Very durable 40-year warranty Some recycled content Aluminum / Steel Durable 90% recycled content Recyclable at end of life Roofing: Options for Shingles

  17. Roofing: Options for Shingles • Metal • Durable • 100% recycled content • Recyclable • High embodied energy costs

  18. Comparison of Materials √ Low √√ Moderate √√√ High - -N/A

  19. Floor Coverings Criteria • Durability • Resource efficiency • Indoor air quality • Offgassing concerns

  20. Floor Coverings • Wood • Reclaimed wood flooring • Sustainably harvested wood flooring • Bamboo flooring • Natural Linoleum • Durable • Abrasion resistant

  21. Floor Coverings • Carpeting • Must be replaced frequently • Large contributor to landfill waste • Traps dust, mold, bacteria • Carpet pads • Durable with recycled content • Use of recycled materials • Offgassing concerns

  22. Floor Coverings • Options • Recycled-content carpeting • Carpet tiles • Carpet leasing • Rapidly renewable fibers • Use mats or small carpets

  23. Comparison of Materials √ Low √√ Moderate √√√ High -- N/A

  24. General Recommendations • Specify at least four major construction materials with post-consumer recycled content • Less energy expenditure and pollution • Use natural materials to the extent possible as they have low levels of toxicity compared to synthetic materials

  25. For More Information • Santa Monica Green Building Guidelines • http://greenbuildings.santa-monica.org • Environmental Building News • GreenSpec Binder • Santa Barbara County Green Building Guidelines (To be published)