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Note: Design Forward LLC is proud to have served the Southern California area designing straw bale homes for over 15 years. However, we have moved on to other business ventures and have closed the business as of January 2017. We will not taking any new projects or responding to phone and email requests. This website will be left up as an archive of data for straw bale and design. You may find that some of the links are broken or out of date, but we will not be updating this site any longer. Thank you!
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June 2006 - [Sustainable Concepts] Green Sandwich and Cool Metal Roofing
Sustainable Concepts )
Design Forward Newsletter June 2006, vol. 39
in this issue
  • Green Sandwich Panels
  • Cool Metal Roofing
  • Feedback


    Welcome to the June 2006 newsletter from Design Forward. Please take some time to enjoy this month's features.

    Quote of the Month: "No person who is not a great sculptor or painter can be an architect. If he is not a sculptor or painter, he can only be a builder."
    - John Ruskin

    On a personal note, I will be married on July 1, 2006 and will officially be changing my name from Lisa A. Van Veen to Lisa A. Swan. Future correspondence will be from my new name, please update your files and address books. Thank you.

    Lisa Van Veen

    Green Sandwich Panels

    Structures built using insulated concrete are among the fastest growing segment of the building industry. This growth has been driven by the industry's desire to build more efficiency into the construction process. It is also the result of an increased demand for homes with better energy and sound insulation. Green Sandwich has taken the SCIPs panels of the past and has re-engineered them from the inside out

    Green Sandwich patented panels are different in three ways:
    1. Green Sandwich panels are engineered, not simply manufactured. This results in significantly higher panel durability and strength. Having an engineered panel also allows our company to provide panels in an almost infinite number of sizes and configurations, including very large spans. The panels are a complete building system, and can be used for floors, roofs, walls, countertops, and pools.
    2. Green Sandwich Panels are by far the easiest panels to build with. Green Sandwich is the panel with inherent utility chases, allowing builders to easily install utilities (Plumbing, electrical, HVAC, etc.) internally. They also train and certify their installers, and offer ongoing technical support.
    3. Green Sandwich Panels are the most environmentally friendly structural building system in the country.

    Article and Picture ©Green Sandwich

    Cool Metal Roofing

    Cool metal roofing is a family of sustainable, energy efficient roofing products comprised of unpainted metal, prepainted metal, and granular-coated metal. It is available in a wide variety of finishes, colors, textures, and profiles, for steep-slope and low-slope applications. Cool metal roofing products are part of an interdependent system of exterior roofing surfaces, substrates, underlayments, configurations, ventilation, and insulation.

    With proper design, cool metal roofing systems save energy by reducing a building's cooling and/or heating load. Many metal roof systems are reflective, easily vented, and lend themselves well to insulated roof systems to help reduce heat gain into a building. Many products are also formed in ways that stop heat transfer through conduction by allowing only minimal contact between the metal and the underlying structure.

    Mill-finish metal roof systems have very high solar reflectance, providing further reductions in heat gain. Metal roofs with oven-cured, pre-painted organic coatings that incorporate new "cool pigment" technology offer high total solar reflectance and high infrared emittance even with darker colors. Emissivity as high as 90% can be achieved for painted and granular-coated roofing. Such pre-painted metal roofing products meet the reflectance requirements of all major energy code initiatives. Finally, unlike many roofing materials, metal's low thermal mass will not store heat and radiate it into a building in the evening hours. Painted metal roofs retain 95% of their initial reflectance and emittance over time.

    Cool Metal Roofing typically has a minimum recycled content of 25% and is 100% recyclable at the end of a long, useful life. Most metal roofs are credibly proven to last over 30 years with minimal maintenance.

    Article and Picture © National Institute of Building Sciences.


    Design Forward works toward promoting Sustainable Design. If you know of a project that should be featured, please contact us. Let us know why you think it should be featured and give us a basic intro to the project, the sustainable elements and any websites or contact information.

    If you would like to submit a fun and/or entertaining quote about architecture, building, the environment or such, send it in! If it at all possible, include the author.

    If you have any other feedback concerning this publication, please feel free to send an email or use the form.

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    Revised June 1, 2010