GREENBUILD 09: American Clay Earth Plaster Announces Potential Energy Savings Generated by Clay Plaster Walls, Results of Yearlong Experiment

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American Clay Greenbuild Booth Features New Lime-Based Samples, Demo Wall, and Commercial-Use Product Enjarre

Albuquerque, NM (November, 2009) – Award-winning, patented American Clay Enterprises returns to the Greenbuild International Expo, announcing the positive results-to-date of its year-long, ongoing energy savings experiment launched at Greenbuild 08.  A press conference will be held on Weds., Nov. 11 at 12:00pm in the Press Conference Room (#126B) ; lunch will be served. The all-natural, sustainable and healthy earth plasters for walls appear to provide, on average, more temperature stability than paint in a room, and thereby energy savings. For the November 10-13, 2009, event, American Clay will exhibit in booth #3754 at the Phoenix (AZ) Convention Center.  At this space, they will have a R&D section representing new lime materials and techniques, a section with artistic panels, and ongoing demo area with their products, in which anyone can participate.

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The ongoing experiment, called “Dynamic Solar”, has been conducted at the American Clay facility in Albuquerque, NM, with the data in the data logger downloaded once a week.  Each unit was tested for temperature (F) and relative humidity (RH) using a Spectrum 2000 data logger with one monitoring ambient condition directly next to the test units. By comparing these, one can determine how much energy will be needed to keep a building comfortable, and then start shifting conditions to determine how to maximize energy savings. The experiment was created in response to American Clay clients who claimed energy savings after remodeling with their patented earth plasters.

 

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The five identical test structures, 7’h x 8’w x 5’d, were built using modern framing construction with R13 fiberglass bat insulation, and one door each.  They break down in this way:

  • One has cement stucco exterior with interior paint.
  • One has vinyl siding exterior and interior paint.
  • One has cement stucco exterior with American Clay interior plaster.
  • One has vinyl siding exterior with American Clay interior plaster.

Results-to-date:

• During the hottest times of the day, the test unit with clay interior are colder, on average, than the test structures with paint interior

• During the coldest times of the day, the test unit with clay interior are warmer, on average, than the test units with paint interior

• Paint interior test units have a greater fluctuation during the hottest and coldest times of the day compared to the clay interior test structures

• Regardless of the season, the test structures with clay interior maintain a more stable interior temperature compared to the test structures with paint interior

• To insure that the test units’ position was not skewing results, the test units were rotated in August to shift exposure positions. This produced no change in results.

“As the tests progressed, I was surprised at the overall results,” says Croft Elsaesser, American Clay co-Founder and CEO.  “I expected a 2% variation.  Instead we seem to be leveling off at 6%.  This has the ability to really make a difference when considering the potential impact on a large scale.  Our next challenge is being able to quantify the actual savings this could mean to our customers.”

The internationally-recognized Greenbuild Expo (www.greenbuildexpo.org) presents the perfect opportunity to showcase how a consistently customer-service focused company–which produces a recognized, thoroughly sustainable product for building and design–continually listens to its clients, tests itself, and innovates.

At their booth, American Clay will be sharing new products in its “R&D” area, as well as showcasing artistic panels of the clay plaster prepared by Elsaesser. They will also have their signature demo area, with their three original formulations and the commercially-directed, single-coat ENJARRE, which just expanded its color palette to offer the same options as the Loma formulation.  ENJARRE has become a popular product for the company this year, and at less than $.50 per square foot to contractors, with color and binder inclusive, it gives builders a product that helps provide top indoor air quality and beauty–and can contribute toward up to seven LEED points (five in most areas)–at a very competitive price.

American Clay’s mission is to better the planet, through their commitment to healthy solutions for beautiful, calm, and healthy environments.  To that end, some in-house energy saving methods include:

  • Their manufacturing uses low inherent energy to produce our products.
  • They use no water in manufacturing.
  • Plaster is shipped dry to save shipping energy and cost.

ABOUT AMERICAN CLAY ENTERPRISES, INC:

American Clay produces patented, award-winning, all-natural interior wall finishing products.  Their Earth Plasters and the commercial ENJARRE single coat plaster are a unique combination of clays, aggregates and natural pigments that offer builders and consumers a natural and elegant option. There is no off-gassing nor inherent waste on-site.  The plasters contain zero VOCs, are non-flammable, are mold resisting (without toxic fungicides), absorb odors, provide temperature and humidity buffering, repair/clean easily and come in recyclable packaging. American Clay, with an extremely low carbon footprint, is uniquely manufactured in and made of materials found in the U.S. American Clay Enterprises, Inc., is based in Albuquerque, NM, and its products are patent pending.  The product and various workshops are available through their New Mexico office or through one of the growing number of retailers and distributors across the U.S.  The website, www.americanclay.com, offers information on products, ordering, technical specifications, product application and additional resources and links.

U.S. PAT No. 7,485,186 B2

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