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New Precautionary List Provides Choices to Harmful Building Products

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Last week at Greenbuild 2009, Perkins + Will unveiled its new Precautionary List, which tracks 25 of the most common dangerous chemicals found in commonly used building materials.  The list provides an explanation of the properties of the chemicals with suggested alternatives.  Some of the chemicals on the list include: arsenic, lead, urea formaldehyde, and cadmium, just to name a few.

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2009 Top-10 Green Building Products

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Yes, it's that time again.  For the eighth year in a row, BuildingGreen has just announced their list of Top-10 Green Building ProductsBuildingGreen sifts the products from new additions to the GreenSpec Directory, a print and online guide that organizes green products according to LEED credits, as well as from coverage in Environmental Building News.  The GreenSpec Directory has over 2,100 products, and these ten are some of the best of what's been added to the directory.  Any favorites among the group?

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Koda Recycled Content Exterior Material

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We first saw this 3form material, Koda XT, with the wavy transit shelters in San Francisco.  Designed by Lundberg Design, the colorful transit shelters use a custom configuration of Koda XT, a material made of 40% pre-consumer recycled content.  3form says Koda XT is the only architectural polycarbonate material available to use towards LEED MR 4.1 for recycled content.

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Xeripave Natural Stone Permeable Pavers

Rancho cucamonga dogpark

Stormwater design and control is a huge aspect of green building, especially with LEED credits provided for reducing impervious cover, increasing on-site filtration, and reducing pollution from stormwater runoff and eliminating contaminants.  We've mentioned a company previously makes recycled content pavers, Vast Pavers, but I thought I would also mention another company that's been making news in the industry, Xeripave.  Xeripave makes permeable pavers in various colors that have a flow through rate of up to 1.5 gallons per second per square foot.  Watch how the paver works:

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Kebonization Process Creates an Alternative to Tropical Hardwoods

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The photograph above may not be what you would expect.  The outdoor bench in this detail is not made from an unsustainably harvested tropical hardwood.  The wood itself is actually maple, a widely available species that can be farmed and harvested without ripping up acres of rainforest.  But maple and many other similar woods are too susceptible to decay and rot when used unprotected outdoors.  The usual alternative has been treatment with chemical pressure treatment.  Now, through a method called kebonization, a Norwegian company, Kebony ASA, treats soft woods in a non-toxic process that allows readily available woods to be used for outdoor uses.

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Elements, a New Green Surface Option

Durcon

When it comes picking a green surface material, there's a lot out there to choose from.  And we're going to give you another option, Elements by Durcon.  Elements is made with 10% post-consumer recycled glass, an epoxy resin, and fine quartz.  Available in five main colors, Elements is non-porous and has inherent anti-fungal and anti-microbial characteristics.  The surface does not require sealing, and according to Durcon, it will not off-gas. 

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